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EP3391401B1 - Verfahren zur überwachung einer elektrischen schaltvorrichtung und elektrische installation mit einer elektrischen schaltvorrichtung - Google Patents

Verfahren zur überwachung einer elektrischen schaltvorrichtung und elektrische installation mit einer elektrischen schaltvorrichtung Download PDF

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Publication number
EP3391401B1
EP3391401B1 EP16809125.4A EP16809125A EP3391401B1 EP 3391401 B1 EP3391401 B1 EP 3391401B1 EP 16809125 A EP16809125 A EP 16809125A EP 3391401 B1 EP3391401 B1 EP 3391401B1
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EP
European Patent Office
Prior art keywords
electrodes
electrode
opening
electrical
relative
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English (en)
French (fr)
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EP3391401A1 (de
Inventor
Thomas Berteloot
Paul Vinson
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SuperGrid Institute SAS
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SuperGrid Institute SAS
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/44—Devices for ensuring operation of the switch at a predetermined point in the AC cycle
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/59—Circuit arrangements not adapted to a particular application of the switch and not otherwise provided for, e.g. for ensuring operation of the switch at a predetermined point in the AC cycle
    • H01H33/593—Circuit arrangements not adapted to a particular application of the switch and not otherwise provided for, e.g. for ensuring operation of the switch at a predetermined point in the AC cycle for ensuring operation of the switch at a predetermined point of the AC cycle

Definitions

  • the invention relates to the technological field of devices for cutting high-voltage electrical circuits, more particularly their control methods, in high-voltage AC electrical installations.
  • power grids are infrastructure at the scale of a region, a country or a continent, in which electrical energy is transported under high AC voltage over several tens, hundreds or thousands of kilometers. .
  • At least one voltage source there is generally at least one voltage source, and at least one voltage user, which can include any appliance or set of appliances or any network having such appliances that use the electrical energy to transform it into electricity.
  • another form of energy for example mechanical energy, and / or heat, and / or electromagnetic, etc ...
  • electrical circuit breakers are generally available to interrupt the flow of electrical current in the circuit, generally between the voltage source and the voltage user, or between the voltage source and the earth.
  • circuit breakers which are mechanical circuit breakers of the electrical circuit and which are designed and sized to allow in particular an opening in load or in fault mode of the electrical circuit in which they are interposed.
  • circuit breakers are complex, expensive and bulky devices and are intended for network protection functions.
  • Cutting devices are known electrical circuits, of simpler design, such as disconnectors which are not generally designed to perform circuit interruptions in charge, but rather, to ensure, in a circuit where the flow of current is already interrupted by another device cutoff , the safety of goods and people during the interventions, by providing electrical insulation of a predetermined high level between an upstream portion of the circuit, connected to the voltage source, and a downstream portion of the circuit.
  • metal casing devices where the active cutting members are enclosed in a sealed enclosure, sometimes called a tank or metal casing, filled with a insulating fluid.
  • a fluid may be a gas, commonly sulfur hexafluoride (SF 6 ), but liquids or oils are also used.
  • This fluid is chosen for its insulating nature, in particular so as to have a dielectric strength greater than that of dry air at equivalent pressure.
  • metal-enclosed devices can be designed more compactly than devices where the cut-off and insulation are made in the air.
  • a conventional "metal casing" disconnector includes in particular two electrodes which are held by insulating supports in fixed positions remote from the peripheral wall of an enclosure, for example the metal casing, which is at ground potential. These electrodes are electrically connected or electrically separated according to the position of a movable connection member forming part of one of the electrodes, for example a sliding tube actuated by a control. The tube is generally carried by one of the electrodes, to which it is electrically connected, and the separation of the tube from the opposite electrode is likely to create an electric arc.
  • a disconnector is usually located in an electrical substation. It is connected to the other elements of the substation, for example by connecting bars. On each side of the disconnector, we can find other elements of a substation like a circuit breaker, a power transformer, an air crossing, etc ...
  • a disconnector in certain electrical circuit configurations, it is thus possible to provide for a disconnector to be arranged between an alternating voltage source, in particular a high-voltage source, and another breaking device such as a circuit-breaker, the circuit breaker thus being in a downstream portion of the circuit. circuit with respect to the voltage source and the disconnector.
  • an alternating voltage source in particular a high-voltage source
  • another breaking device such as a circuit-breaker
  • the circuit breaker thus being in a downstream portion of the circuit. circuit with respect to the voltage source and the disconnector.
  • a first electrode of the disconnector is electrically connected, directly or indirectly, to the AC voltage source while the second electrode, after opening of the circuit, is electrically isolated from any source of voltage and any electrical mass, therefore to a floating electric potential.
  • an electrode is electrically insulated from any source of voltage and from any electrical mass, and therefore to a floating electrical potential, if it forms a non-zero capacitance with the surrounding conductive elements which would be connected to a specific potential, for example by a voltage source or electrical ground, ie for example the electrode connected to the voltage source (upstream circuit), the metal shell connected to the earth, and / or any part of another breaking device that is part of downstream circuit.
  • the first electrode has an electrical potential that varies over time as a function of the AC voltage delivered by the voltage source to which it is connected.
  • the second electrode being isolated, its electric potential is not determined. It can be the electrical potential of the electrode at the moment of the last contact in the relative position of electrical closure of the two electrodes. After opening, a capacitive coupling may remain between the two electrodes whereby the potential of the second electrode can be varied.
  • this phenomenon will be here neglected because its amplitude is generally significantly lower than the electrical potential existing at the time of the last contact or via an electric arc between the two electrodes.
  • the dielectric strength between the two electrodes which is zero for the relative electrical closure position, increases progressively from an initial value as soon as the physical contact between the two electrodes is lost, up to a dielectric withstand value. final corresponding to the relative position of electrical opening of the two electrodes, which ensures the isolation between the upstream part and the downstream part of the electrical circuit in which the disconnector is interposed.
  • the two electrodes of the disconnector are at each instant at the same electrical potential, which is visible on the left side of the Fig. 4
  • This electric potential is in this case directly dictated by the alternating voltage supplied by a voltage source.
  • a time t 0 which is the moment of the loss of physical contact between the two electrodes. Beyond this moment, it is considered that the two electrodes are no longer physically in contact with each other.
  • an electric arc is created, and maintains, at least initially, the electrical potential of the second electrode. substantially at the same level, at each moment, than that of the first electrode.
  • the two electrodes are separated from each other by a distance such that the electric arc is interrupted a first time, allowing the appearance of a potential difference between the two. electrodes.
  • this potential difference exceeds the dielectric strength defined by the spacing distance, a new arc is formed, instantly returning the potential of the second electrode to that of the first electrode.
  • the interruption time of the arcs becomes longer and longer because of the progressive increase in the dielectric strength between the two electrodes. which results directly from the increase in the spacing between the two electrodes.
  • opening speeds of 0.05 or 0.1 m / s made it possible to obtain, with greater probability, a terminal value of the electric potential of the second electrode lower than that obtained for an opening speed of 0.5. m / s.
  • a similar lesson can be drawn from the document Influence of the Switching Speed of the Disconnector on Very Fast Transient Overvoltage (Shu Yinbiao, Han Bin, Lin Ji-Ming, Chen Weijiang, Liangeng Ban, Xiang Zutao, and Chen Guoqiang - IEEE TRANSACTIONS ON POWER DELIVERY, VOL 28, NO 4, OCTOBER 2013 ).
  • a first known solution consists in the use of a resistance switch.
  • an electrical resistor is inserted into the current path during the opening maneuver only.
  • the resistor is located between one of the electrodes of the disconnector and a resistor electrode. The electric arcs then occur between the disconnector tube and the resistance electrode. Its value can go up to 1k ⁇ .
  • This first solution has limitations constituted by the significantly larger size of the disconnector, its higher cost because of the additional parts and because of an increased need for maintenance, and a lower reliability due to the presence of the electrical resistance. .
  • a second solution described for example in the document JP 2000.067705 consists in the use of a disconnector for which the value of the ignition voltages between the two electrodes is controlled by causing electric arcs to ignite with a laser beam.
  • the laser source is positioned outside the disconnector and an optical device consisting of Mirrors and or lenses can bring the energy of the laser between the tube and the opposite electrode. It is conceivable that such a solution is expensive and complex.
  • the document FR 2 953 983 A1 discloses a method of opening control of a mechanical breaking apparatus, according to the preamble of claim 1.
  • the invention also relates to an electrical installation comprising an apparatus for mechanical breaking of an alternating high-voltage electrical circuit, of the type comprising two electrodes of which a first is subjected to an alternating electric potential and a second of which is electrically insulated from any voltage source. and of any electrical mass, the two electrodes of the mechanical apparatus being movable relative to each other in an opening movement controlled by a control device, between a relative electrical closing position, in which they establish a nominal electrical connection of the apparatus, and at least one relative electrical opening position in which the two electrodes are spaced from each other, characterized in that the control is configured to implement a control method having one or more of the above features.
  • Fig. 1 to 3 the main components of an apparatus for mechanical shutdown of a high voltage electrical circuit, including a very high alternating voltage, by representing three different relative positions between the electrodes of the breaking device.
  • Such an apparatus is intended to open or close an electrical circuit in which alternative nominal currents, that is to say, established currents for which the apparatus is intended to operate in a continuous manner without damage, may be circulated in a manner in which voltage greater than 1000 V ac, see even under very high voltage, that is to say a voltage greater than 50 000 V ac.
  • the apparatus is a mechanical cut-off device insofar as the opening of the electrical circuit is obtained by the separation and the spacing of two contact pieces so as to interrupt the flow of a current through the apparatus, Of course, the closing of the electrical circuit is obtained by the displacement until the two contact parts come into contact so as to restore a flow of current through the apparatus.
  • the mechanical cut-off device is a disconnector.
  • the switching device is intended to cut a single electrical circuit, for example a phase, but the invention could be implemented in an apparatus intended to cut several electrical circuits, then including, for example within of the same enclosure, several devices of cut in parallel.
  • the apparatus 10 thus comprises an enclosure 12 which delimits an internal volume 16 of the enclosure 12.
  • the enclosure 12 is sealed with respect to the outside of the enclosure 12 .
  • the enclosure 12 may comprise one or more openings (not shown) which, at least for maintenance or installation operations, access to the internal volume 16 from outside the enclosure, and allowing the volume 16 d to be placed in communication with another volume of another enclosure contiguous to the enclosure 12 around the opening.
  • the openings are thus intended to be closed off, for example by portholes or covers, or are intended to put in communication the internal volume 16 of the chamber 12 with another enclosure itself sealed, by waterproof matching of the opening with a corresponding opening of the other enclosure.
  • the internal volume 16 of the chamber 12 can be filled with an insulating fluid that can be separated from the atmospheric air.
  • the fluid may be a gas or a liquid.
  • the pressure of the fluid may be different from the atmospheric pressure, for example a pressure greater than 3 bars absolute, or may be a very low pressure, possibly close to the vacuum. Vacuum would be, in the sense of the invention, assimilated to an insulating fluid.
  • the insulating fluid may be air, particularly dry air, preferably at a pressure greater than atmospheric pressure. However, preferably, the fluid is chosen for its high insulating properties, for example having a dielectric strength greater than that of dry air under conditions of equivalent temperature and pressure.
  • the apparatus 10 comprises at least two electrodes which are intended to be electrically connected respectively to an upstream portion and a downstream portion of the electrical circuit to be cut.
  • the two electrodes are movable relative to each other in an opening movement, between at least one relative position of electrical closure, illustrated in FIG. Fig. 1 , in which they establish a nominal electrical connection of the apparatus, and thus corresponding to a closed state of the apparatus, and a relative position of electrical opening, Fig. 3 corresponding to an open state of the device.
  • the apparatus 10 comprises in particular a first fixed electrode 20 and a second electrode 22 which comprises a fixed main body and a movable connection member 24. It is understood that the mobile connection member could be part of the first electrode 20, or that each of the two electrodes 20, 22 could comprise a movable connection member.
  • each electrode 20, 22 is fixed in the enclosure 12 by means of an insulating support 26.
  • the apparatus 10 comprises a connection terminal 28, 30 which is electrically connected to the electrode 20, 22 correspondingly.
  • One of the terminals is intended to be connected to an upstream portion of the electrical circuit while the other of the terminals is intended to be connected to a downstream portion of the electrical circuit.
  • the portion which is connected to the first electrode 20 by the connection terminal is referred to as the upstream portion of the electrical circuit. 28. Consequently, the downstream portion of the electrical circuit is the portion which is connected to the second electrode 22, via the connection terminal 30.
  • each electrode 20, 22 is permanently electrically connected to the connecting terminal 28, 30 associated, regardless of the open or closed state of the switchgear.
  • the main bodies of the two electrodes 20, 22 are arranged in the internal volume 16 in a fixed manner, spaced apart from the peripheral wall of the enclosure 12, and spaced apart from one another so that an isolation space inter-electrode electrical is arranged in the direction of a central axis A1, between the portions vis-à-vis their respective outer peripheral surfaces.
  • the mobile connection member 24 of the second electrode of the apparatus may comprise a sliding tube, of axis A1, which is slidably guided along the central axis A1, which will arbitrarily be described as longitudinal, in the second electrode 22.
  • the connecting member 24 is movable in an opening movement relative to the opposite electrode 20, between a relative position of electrical closure, visible on the Fig. 1 , and wherein the electrical connection member 24 establishes a nominal electrical connection with said opposite electrode 20, and a relative electrical opening position, visible on the Fig. 3 , Passing through intermediate relative positions such as that shown in Fig. 2 .
  • the mobile connection member 24 is preferably made of conductive material, for example metal, and is electrically connected to the main body of the second electrode, thus electrically connected with the associated connection terminal 30 permanently, regardless of the position of the mobile connection member 24.
  • the connecting member 24 In its relative closing position, the connecting member 24 is moved longitudinally along the central axis A1 in the direction of the first electrode 20, across the interelectrode electrical isolation space.
  • the relative position of closure is the position of the last electrical contact between the two electrodes, in the direction of opening of the breaking apparatus, for which an electric current flow is possible by conduction through a mechanical contact of the two electrodes.
  • connection member 24 is moved from the relative closing position to the relative opening position by a control device 42 which, in this embodiment, comprises a connecting rod 44 movable in a direction substantially parallel to the axis A1 and itself controlled by a rotary lever 46 .
  • the mechanical breaking device 10 is intended to be included in an electrical installation 14 comprising an alternating high-voltage electrical circuit, an example of which is illustrated in FIG. Fig. 1 .
  • the first electrode 20 is for example electrically connected respectively to an upstream portion of the electrical circuit comprising an alternating voltage source 32 which may be a primary source, such as an alternating voltage generator, or a secondary source such as transformer or converter.
  • an alternating voltage source 32 which may be a primary source, such as an alternating voltage generator, or a secondary source such as transformer or converter.
  • the switchgear 10 one can find all kinds of electrical devices, including electrical circuit breakers. However, one places oneself in a state of this upstream portion of the circuit in which the first electrode is subjected to an alternating electric potential. In the illustrated case, the first electrode is subjected to an alternating electric potential imposed directly or indirectly by the voltage source 32.
  • the other electrode in this case the second electrode 22 is, at least for certain configurations of the installation, electrically isolated from any voltage source and from any electrical ground.
  • the second electrode 22 is connected to the downstream part of the electrical circuit which may in particular comprise a breaking device 34, for example a circuit breaker, which makes it possible to interrupt the current between the breaking device 10 and, by For example, a voltage user network 36.
  • a breaking device 34 for example a circuit breaker, which makes it possible to interrupt the current between the breaking device 10 and, by For example, a voltage user network 36.
  • the second electrode 22 In the configuration in which the switchgear is in the relative opening position and in which the downstream circuit breaker 34 is open, the second electrode 22 is therefore at a floating electrical potential because it is not electrically connected to any other voltage source or electrical ground.
  • the invention proposes a new method for controlling the opening of the mechanical breaking device 10.
  • the initial step of rapid opening makes it possible to obtain a clear separation of the two electrodes and makes it possible to reduce the total duration of the opening movement.
  • a stabilization step may comprise a step in which the two electrodes 20, 22 continue to deviate from each other according to their relative opening movement.
  • a stabilization step comprises at least one stop of the relative movement of the two electrodes.
  • a stabilizing step can consist of a stop of the relative movement of the two electrodes 20, 22.
  • Such a method can be implemented with a manual control of the relative opening movement of the two electrodes 20, 22 of a mechanical switching device for an electrical circuit.
  • this method is automated in a mechanical breaking device.
  • control device 42 for the relative movement of the two electrodes is, for example, configured to implement a control method having the above characteristics, and / or possibly the either of the additional features of the methods which will be described below.
  • the control device 42 may comprise an actuator 48, for example an electric motor, a pneumatic motor or an energy storage motor, capable of actuating the relative movement of the two electrodes 20, 22, possibly by the intermediate of a transmission mechanism.
  • the transmission mechanism comprises the connecting rod 44 and the lever 46.
  • the transmission mechanism connects the actuator 48 to at least one of the electrodes to control the movement of the electrode.
  • the transmission mechanism 44, 46 causes the movable connecting member 24 to move, without causing movement of the main bodies of the first and second electrodes.
  • the control device 42 comprises a controller which controls the actuator 48, for example in the form of an electronic control and control unit 52.
  • the electronic control and control unit 52 can be made in the form of several separate components communicating with each other.
  • the electronic control and control unit 52 may for example be configured to be able to control the control device 42, in particular the actuator 48, to control the relative movement of the two electrodes in particular as a function of a time interval between two arcs. during an opening movement of the two electrodes.
  • the electronic control and control unit 52 may for example be programmed to control the actuator so that the speed of the actuator 48 follows the above steps, and possibly one or the other of the steps. described below.
  • control device comprises an actuator for controlling the movement of the electrode via a transmission mechanism connecting the actuator to at least one of the electrodes, the transmission mechanism being configured so that, for example for a constant speed of the actuator, at least one of the electrodes is controlled by the transmission mechanism and follows the steps below. above, and possibly one or other of the steps described below. An example of such an embodiment will be described in more detail below.
  • Figs. 5A to 5D on which several variants of the relative movement of the two electrodes 20, 22 as a function of time have been illustrated during an opening maneuver of the breaking device 10, it is understood that the two electrodes 20, 22 pass, at the during this opening movement, the relative electrical closing position in which a gap E between the two electrodes is zero, the relative position of electrical opening in which the spacing E f is maximum.
  • This maneuver takes place between the instants t 0 and t f which respectively correspond to the moment when the two electrodes 20, 22 lose the physical contact allowing circulation of the current by conduction, and at the instant when the two electrodes 20, 22 reach their final relative position of opening.
  • the spacing E at a given instant may be determined as being the shortest distance separating the two electrodes 20, 22 in the insulating fluid surrounding the electrodes inside the enclosure 12.
  • the spacing between the two electrodes 20, 22 corresponds, as long as the tube 24 is projecting, on the side of the first electrode by 20, with respect to the main body of the second electrode 22, at the spacing between the first electrode 20 and the tube 24.
  • the spacing between the two electrodes 20, 22 corresponds to the spacing between the first electrode 20 and the main body of the second electrode. electrode 22, and remains constant even if the spacing movement of the tube 24 continues.
  • the spacing thus corresponds to the minimum distance to be traveled for an electric arc between the two electrodes 20, 22.
  • the spacing movement of the two electrodes is a rectilinear movement along an axis, and the spacing corresponds to the shortest distance between the two electrodes measured along this axis.
  • the instantaneous spacing speed of the two electrodes 20, 22 corresponds to the derivative with respect to the time of the spacing between the two electrodes.
  • the instantaneous spacing speed may therefore be different from the speed of the movement of one of the two electrodes 20, 22, for example in certain cases where the relative spacing movement is not rectilinear.
  • the relative opening movement of the electrodes 20, 22 can be decomposed into at least two steps.
  • An initial step of opening, fast starts at the moment t 0 and lasts until a moment of end, for example identified by the moment t a1 in the examples of the Figs. 5A to 5C .
  • the two electrodes 20, 22 progressively deviate.
  • the relative movement of the two electrodes is preferably continuous, without stopping, to limit the duration of this step.
  • the instantaneous spacing velocity of the two electrodes during the initial step can be constant, as illustrated in FIGS. Figs. 5A to 5C , or can be variable during the step as shown on the Fig. 5D .
  • the two electrodes 20, 22 progressively deviate to a spacing value E a1 , corresponding to an intermediate relative position of the two electrodes, at a first average spacing velocity V1.
  • the initial step is followed by at least one stabilization step, but sometimes several, later (s) in the initial step, during which a Relative movement of the two electrodes takes place at a second average velocity of spacing less than the first average velocity of separation.
  • the stabilization step is a step during which the spreading speed is constant and lasts from a start time t a1 , corresponding in this example to the end time of the initial opening step, up to an end time t b1 at which the two electrodes 20, 22 occupy a relative position in which their spacing reaches a second value E b1 .
  • the relative movement of the two electrodes is performed at an average spacing speed V2 lower than the first average spacing speed V1.
  • the instantaneous spacing velocity of the two electrodes can be constant, as illustrated in FIGS. Figs. 5A to 5C , or may be variable during the step, as shown on the Fig. 5D . It will be noted that, during the stabilization step, the two electrodes 20, 22 can be immobile with respect to each other, which corresponds to an average spacing velocity V2 of zero, which is illustrated in FIG. Fig. 5B .
  • the stabilization step In some cases, for which the average spacing velocity V2 of the relative movement during the stabilization step is not zero, it is possible for the stabilization step to be prolonged until the two electrodes 20, 22 reach their relative opening position, in which they have the maximum spacing E f .
  • the method comprises, after the stabilization step, at least one step of rapid continuation of opening, which therefore begins in the examples at time t b1 end of the stabilization step, during which a movement relative to the two electrodes 20, 22 is performed at a third average spacing velocity V3 greater than the second average spacing velocity V2 during the stabilization phase.
  • This opening pursuit step may continue until both electrodes reach their relative opening position, in which they have the maximum spacing E f .
  • the method may comprise, as illustrated in FIG. Fig. 5C , after an opening continuation step as described above, a secondary stabilization step during which a relative movement of the two electrodes is performed at a fourth average spacing velocity V4.
  • the secondary stabilization step lasts from a start time t a2 until an end time t b2 .
  • the fourth average spacing velocity V4 is less than the third average spacing velocity V3 during the above-described open tracking step which precedes it immediately.
  • the fourth average spacing velocity V4 may be equal to, lower than or greater than the second average velocity V2 of spacing during the first stabilization phase described above.
  • the fourth average spacing velocity V4 is preferably lower than the first average spacing velocity V1 during the initial opening step described above.
  • the fourth average spacing velocity V4 may be constant as illustrated, or variable or zero during the secondary stabilization step.
  • this secondary stabilization step if it does not consist exclusively of stopping the relative movement of the two electrodes 20, 22, could continue until the two electrodes reach their relative position of electrical opening.
  • the method comprises a final opening step during which the electrodes 20, 22 reach their final relative position of opening. This final opening step can be done at an average spacing speed greater than that of the first stabilization phase and / or greater than that of the secondary stabilization phase.
  • the spread velocities are considered constant during the different steps. More particularly, the passage from one step to the other is easily identifiable by the fact that the variation of relative spacing speed of the two electrodes is then abrupt during the transition from one step to another, the curve of variation of the spacing of the two electrodes as a function of time exhibiting a sharp break, indicative of a discontinuity in its derived function representative of the spacing speed.
  • the spacing speeds of the relative movement of the two electrodes during the different steps are not constant. Furthermore, the transition from one stage to another is carried out without abrupt transition, with a progressive acceleration or deceleration. In such a case, however, it is possible to determine an average spacing speed during a stabilization step according to the following method.
  • a stabilization step is a step comprising at least one stabilization time interval whose duration is at least 5 times the alternating period of the alternating potential of the first electrode and corresponding to spacings of the two electrodes of between 10% and 90%. % of the final distance E f , during which a relative movement of two electrodes are performed at a mean stabilization gap velocity V2 of less than 0.03 meters per second during said stabilization time interval.
  • a stabilization step consists of a single stabilization time interval as defined above.
  • a first of these stabilization time intervals is illustrated which starts at the instant t 2i and ends at the instant t 2f , respectively corresponding to spacings E 2i and E 2f of the two electrodes. It has a duration T2, for example equal to 5 times the alternating period of the alternating potential of the first electrode.
  • an average minimum stabilization gap velocity V2min is defined.
  • a second of these stabilization time intervals is defined and illustrated which begins at time t 2imin and ends at time t 2fmin , corresponding respectively to spacings E 2imin and E 2fmin of the two electrodes. It has a duration T2, fixed at 5 times the alternating period of the alternating potential of the first electrode.
  • the instants t 2imin and t 2fmin are chosen at equal time on either side of an instant t 2min for which the instantaneous speed of the movement of separation of the two electrodes reaches a local minimum.
  • the local minimum corresponds at the instant when the acceleration of the spacing is canceled by passing from a negative value to a positive value.
  • This second time interval is here the one for which the average stabilizing gap velocity V2min is considered minimal.
  • the average minimum stabilization gap velocity V2min is less than 0.03 m / s.
  • an opening step prior to the stabilization phase and a post-opening tracking step subsequent to the stabilization phase, as being steps in which the speed of the relative movement of the spacing of the two electrodes passes.
  • the local maximum corresponds to the instant when the acceleration of the spacing is canceled by passing from a positive value to a negative value.
  • the time t 1max is earlier than the instant of the local minimum t 2min of the stabilization step.
  • the time t 3max is later than the instant of the local minimum t 2min of the stabilization step.
  • the initial opening step comprises at least one fast opening time interval whose duration T1 is at least 1 times the period of alternation of the alternating potential of the first electrode, for example 1 times the period of alternation of the alternating potential of the first electrode, and during which a relative movement of the two electrodes takes place at a first average spacing speed V1 greater than 0.05 meters per second, preferably greater than 0.1 meters per second
  • a mean minimum stabilization gap velocity V1max is defined.
  • a fast opening time interval whose duration T1 is equal to 1 times the period of alternation of the alternating potential of the first electrode by choosing times t 1imax and t 1fmax at equal time on both sides. else of the instant t 1max for which the instantaneous velocity of the spacing movement of the two electrodes reaches a local maximum during the initial opening step prior to the stabilization step.
  • E 1imax and E 1fmax are the corresponding values of the spacing of the two electrodes.
  • the first average maximum spacing velocity V1max is greater than 0.05 m / s, more preferably greater than 0.1 m / s.
  • An opening continuation step comprises at least one opening continuation time interval whose duration is at least 5 times the alternating period of the alternating potential of the first electrode and during which a relative movement of the two electrodes 20 , 22, 24 is carried out at an average spacing velocity V3 greater than the average minimum spacing gap velocity V2min, preferably greater than 0.03 m / s, more preferably greater than 0.05 m / s.
  • a mean minimum stabilization gap velocity V3max is defined.
  • V3max a mean minimum stabilization gap velocity
  • E 3imax and E 3fmax are the corresponding values of the spacing of the two electrodes.
  • the average maximum spacing velocity V3max during this opening tracking time interval is greater than 0.03 meters per second, preferably greater than 0.05 meters per second, more preferably greater than 0.1 meters per second.
  • the minimum average stabilizing gap velocity V2min, during the stabilization time interval whose duration T2 is 5 times the alternating period of the alternating potential of the first electrode and which is centered on the instant t 2min for which the instantaneous speed of the spacing movement of the two electrodes reaches a local minimum is less than 0.5 times the first average maximum spacing velocity V1max during the fast opening time interval, whose duration T1 is 1 time alternating period of the alternating potential of the first electrode and which is centered on the instant t 1max for which the instantaneous speed of the spacing movement of the two electrodes reaches a local maximum during the initial opening step prior to the stabilization step.
  • the minimum average stabilizing gap velocity V2min, during the stabilization time interval whose duration T2 is 5 times the alternating period of the alternating potential of the first electrode and which is centered on the time t 2min for which the instantaneous velocity of the spacing movement of the two electrodes reaches a local minimum is less than 0.5 times the third average maximum spacing velocity V3max during the opening continuation time interval, whose duration T3 is equal to 1 time alternating period of the alternating potential of the first electrode and which is centered on the instant t 3max for which the instantaneous speed of the spacing movement of the two electrodes reaches a local maximum during the tracking step opening after the stabilization step.
  • the distance curve does not have a local maximum point of the subsequent spacing velocity at the local minimum point of the velocity of the motion. spacing.
  • the stabilization step is completed for the relative position of opening corresponding to the maximum spacing of the two electrodes.
  • a similar method can be implemented for calculating the average distance velocity for the secondary stabilization phase (s), if necessary.
  • a stabilization step may be considered as a continuous period enveloping all contiguous or overlapping stabilization time intervals, whose duration ( T2 ) is at least 5 times the period of alternation of the alternating potential of the first electrode and corresponding to spacings of the two electrodes between 10% and 90% of the final spacing ( E f ), during which a relative movement of the two electrodes is performed at an average stabilization gap velocity V2 of less than 0.03 meter per second.
  • a stabilization step begins for a relative position of the two intermediate electrodes E a1 between the relative position of closure of the two electrodes, which is their position of last physical contact, and the final relative position of opening, which is their position of maximum spacing E f .
  • the beginning of the stabilization step is easily identifiable.
  • the beginning of the stabilization step is the beginning of the continuous period enveloping all contiguous or overlapping stabilization time intervals as indicated above.
  • the end of the stabilization step is the end of the continuous period enveloping all contiguous or overlapping stabilization time intervals as indicated above.
  • a stabilization step has, between its beginning and its end thus defined, a duration equal to at least 5 times, alternatively at least 10 times, alternatively at least 20 times the period of alternation of the electrical potential to which the first electrode is subjected. 20.
  • the stabilization step starts with a spacing position E a1 of the two electrodes which is distinct from the relative closing position and the final relative opening position of the two electrodes.
  • a stabilization step may be triggered to correspond to predetermined relative positions of the two electrodes 20, 22 , 24.
  • the intermediate relative position E a1 of the two electrodes for which a stabilization step starts is a predetermined relative position.
  • a stabilization step can be triggered according to at least one operating parameter of the apparatus.
  • an operating parameter may comprise, for example, geometrical parameters constituting the apparatus, and / or parameters related to the nature and / or the pressure of the surrounding gas in the envelope 12, and / or the characteristic parameters of the electrical potentials to which the apparatus is subjected, and / or spacing velocity profiles of the two electrodes.
  • the intermediate relative position E a1 of the two electrodes for which a stabilization step starts is a relative position which is determined as a function of at least this operating parameter of the apparatus.
  • the stabilization step can thus be triggered, for example, as a function of the ignition voltage, that is to say the voltage between the two electrodes at the time of the initiation of an electric arc between the two electrodes 20, 22 , 24.
  • the stabilization step can be triggered, for example, at least as a function of the duration of a time interval between two electric arcs between the first and the second electrode during the movement of opening.
  • the cut-off apparatus with a sensor 50 capable of detecting the presence of an electric arc between the two electrodes, more particularly between the movable member 24 and the opposite electrode 20.
  • the sensor 50 may comprise an optical sensor observing the space between the two electrodes, an electric sensor in the electrical circuit, preferably close to the breaking device 10, or an electromagnetic sensor sensitive to electromagnetic fields in the enclosure. 12 generated by overvoltages occurring during arcing.
  • the sensor 50 may also include a combination of sensors. This sensor 50 is for example connected to an electronic control unit which is able to determine a time interval between two electric arcs according to the signals sent by the sensor 50.
  • the electronic control and control unit 52 of the control device 42 is capable, in addition to the control and control of the actuator 48, of receiving the signals from the sensor 50 and of determining an interval time between two successive electric arcs between the two electrodes.
  • the electronic control and control unit 52 can be programmed to implement a method of opening control of the mechanical breaking device 10 , the main steps of which are illustrated in FIG. Fig. 6 .
  • the method may comprise an initial step " START OPEN V1" during which the electronic control and control unit 52 initiates the opening of the apparatus by controlling the motor 48 of so that it causes, via the transmission mechanism 44, 46, a rapid relative movement of the two electrodes, from the relative position of closure.
  • the speed profile of this movement can be, among others, one or the other of those illustrated on the Fig. 5A to 5D , for example a constant velocity profile at the first average spacing velocity V1, as on the Figs. 5A to 5C , or a variable speed profile as on the Fig. 5D .
  • control and control unit 52 can trigger a step 200 of detecting a time interval ⁇ t 50 between two electric arcs between the first and the second electrode.
  • This step may comprise the reception of signals relating to the presence of an electric arc between the movable member 24 and the opposite electrode 20, due to the opening of the apparatus, delivered by the sensor 50.
  • control and command 52 can then deduce a time interval ⁇ t 50 between two successive arcs detected by the sensor 50.
  • This determination of the time interval ⁇ t 50 can be initiated from the beginning of the initial step 100, or a few time after, for example after the expiration of a delay time, or beyond a threshold value of the spacing of the two electrodes.
  • the control and control unit 52 can, in a comparison step 300, compare these time intervals ⁇ t 50 , measured by means of FIG. at the sensor 50, at a reference time interval ⁇ t ref .
  • This reference time interval ⁇ t ref may be a value stored in the control and control unit 52. It may be a value chosen from a table depending on the operating parameters of the switching device 10.
  • reference value ⁇ t ref may be a value calculated as a function of one or more operating parameters of the switchgear 10 or of the installation.
  • the control and control unit 52 can trigger a stabilization step 400, " START STAB V2 ", subsequent to the initial step, during which a relative movement of the two electrodes is performed according to a speed profile in which the speed is reduced.
  • the speed profile of this movement can be, among others, one or the other of those illustrated on the Fig. 5A to 5D , for example a constant velocity profile at a mean stabilization gap velocity V2 lower than a first constant spacing velocity V1, as on the Figs. 5A to 5C , or a variable speed profile as on the Fig. 5D .
  • the control and control unit 52 modifies the commands sent to the motor 48 to slow the speed of the spacing movement of the two electrodes.
  • the duration of the stabilization step may be predetermined, for example by a time predetermined in time or by a threshold value of the spacing of the two electrodes. This duration may alternatively be determined as a function of one or more operating parameters of the switching device, for example the geometrical parameters constituting the device or the characteristic parameters of the electrical potential or potentials to which the device is subjected, in particular in the form of selecting values in a table or in the form of calculation according to these parameters.
  • At least one opening continuation step 500, "START OPEN V3" during which a relative movement of the two electrodes takes place at a distance of average spacing speed greater than the second average spreading speed.
  • the opening continuation step 500 could continue unconditionally until both electrodes have reached their relative electrical opening position in which they reach their final gap, then triggering a stop step 700 "STOP" of control device 42.
  • control step 600 during which the signals delivered by the sensor 50 are used to detect the possible occurrence of an electric arc between the two electrodes.
  • the method can advantageously provide either to directly trigger a secondary stabilization step in returning the process directly to the stabilization step 400 described above, or to return the method to the comparison step 300 described above.
  • the triggering of a secondary stabilization step is determined at least as a function of the detection of an electric arc between the first and the second electrode during an opening continuation step.
  • the method triggers a stopping step 700 of the control device 42.
  • the end of the stabilization step can also be determined, for example, as a function of the detection of the presence of an electric arc between the two electrodes, this detection being possible by means of the sensor 50.
  • the stabilization step is completed after the lapse of a predetermined period of time following a last electric arc detected between the two electrodes 20, 22, 24. It is therefore possible, after the lapse of this period of time, trigger a continuation of opening step.
  • the minimum dielectric strength between the electrodes for said position corresponds to the voltage between the two electrodes which would cause, for said position, the initiation of an electric arc between the two electrodes 20, 22 , 24. It can be determined for a installation, by a test campaign.
  • this position is a position for which, given the operating parameters of the switchgear in the installation, the potential difference between the first and the second electrode will, after possibly several changes in values. due to successive electric arcs caused by the alternating variations of the potential of the first electrode, reaching a final value beyond which the potential of the second electrode will no longer vary during the subsequent relative movement of opening of the two electrodes until that they reach their relative position of electrical opening. Thanks to the invention, stabilization of the potential of the floating potential electrode is obtained for the potential as close as possible to the minimum potential that may exist, which depends on the constituent parameters of the disconnector.
  • the start and end times of the stabilization step, and the spacing of the two electrodes to which these two instants correspond are chosen so that, during a stabilization step, the electrodes occupy at least one relative position for which the spacing value of the electrodes is between 10% and 90% of the spacing value of the electrodes in the final open position.
  • the electrodes occupy at least one relative position for which the spacing value of the electrodes is between 10% and 50%, more preferably between 10% and 30% of the spacing value of the electrodes in a final open position.
  • the electrodes occupy at least one relative position for which the spacing value of the electrodes is between 40% and 90%, more preferably between 60% and 90% of the spacing value.
  • a stabilization step has a duration equal to at least 5 times the period of alternation of the alternating electric potential to which the first electrode is subjected, in this case the period of alternation of the voltage of the voltage source, preferably at least 15 times the alternating period of the alternating electric potential to which the first electrode is subjected, so as to increase the probability that the last electric arc will occur during the stabilization step.
  • a stabilization step may have a duration of less than 75 times the alternating period of the alternating electric potential to which the first electrode is subjected, preferably less than 50 times the alternation period of the potential. AC power to which the first electrode is subjected.
  • the second average spreading speed can be chosen so that the rate of increase of the maximum dielectric strength of the apparatus, caused by the increase of the spreading value, increases at a speed less than 1.0 pu / s, preferably less than 0.5 pu / s, where 1 pu is the peak value of the alternating electric potential to which the first electrode is subjected, in this case the peak value of the voltage of the source of tension.
  • Fig. 7A to 7D illustrate an embodiment of a mechanical circuit breaking apparatus which is identical to that described above with reference to the Fig. 1 to 3 But in which the transmission mechanism 44, 46 connecting the actuator 48 to at least one of the electrodes, in this case the tube 24 of the second electrode 22 is configured to implement an embodiment of a method according to the invention, entirely mechanically.
  • This mechanism similarly comprises a lever 46 which is rotated by the actuator 48 about an axis A2 perpendicular to the axis A1 of the movement of the electrodes.
  • the rod 44 is articulated on the lever 46 about an axis A3 parallel to the axis A2 by the kiss of a hinge pin 54 A3 axis which is received in an L-shaped groove 56 arranged in the lever 46, in a plane perpendicular to the axes A2 and A3.
  • the L-groove 56 has a long limb 56b of dead stroke and a short limb 56a of initial training, the two branches forming between them an angle of about 90 degrees.
  • the two branches 56a, 56b each extend from a common intersection to a branch end end.
  • the lever 46 is driven by the actuator 48, in this case in a clockwise direction, considering the figures.
  • the hinge pin 54 being received at the bottom end of the short branch 56a of the groove, it is driven by this end end, towards the rear, so as to cause the spacing of the second electrode 22 , 24 to which it is connected by connecting rod 44.
  • the Fig. 7B illustrates a position of the transmission mechanism for which the orientation of the short leg of the groove 56 is substantially perpendicular to the rod 44. From this position, under the effect of the forces and under the effect of gravity, the articulation rod 54 escapes from the bottom end of the short branch 56a of the groove towards the intersection with the long branch 56b of this groove. Note that the long branch 56b of the groove is then substantially parallel to the axis A1 of the opening movement.
  • the lever 46 continues its rotational movement about the axis A2, but this rotational movement does not cause displacement of the rod 44, let alone the second electrode 22 , 24. Indeed, between these two positions, the articulation rod 54 between the rod 44 and lever 46 can move freely in the long branch 56b of the groove 56, from the intersection towards its bottom end, that it reaches for the position of the Figure 7C . So we see that between the positions of Figs. 7B and 7C , the lever 46 has continued its rotational movement while the tube 24 of the second electrode 22 has not been displaced and therefore retains a constant spacing relative to the first electrode.
  • a constant speed rotation movement of the lever 46 about the axis A2 results in a movement second electrode 22 , 24 which includes a stopping phase between the positions of the Figs. 7B and 7C .
  • the device shown on the Figs. 7a to 7D allows, by mechanical means, to cause a movement of the electrodes whose displacement profile is similar to that illustrated in Fig. 5B , in that it makes it possible to ensure a stabilization step with a stop of the relative movement of the two electrodes, between an initial opening step, between the positions of the Figs. 7A and 7B , and a step of continuation of opening between the positions of Figs. 7C and 7D .

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Gas-Insulated Switchgears (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)

Claims (15)

  1. Verfahren zum Steuern des Öffnens einer mechanischen Abschaltvorrichtung (10) in einem Hochspannungs-Wechselstromkreis vom Typ, der zwei Elektroden aufweist, wovon eine erste (20) einem elektrischen Wechselpotential ausgesetzt wird, das eine Wechselperiode aufweist, und wovon eine zweite (22, 24) von jeder Spannungsquelle und von jeder elektrischen Masse elektrisch isoliert wird, wobei die zwei Elektroden der mechanischen Vorrichtung in einer Bewegung der gesteuerten Öffnung zwischen einer relativen elektrischen Schließposition, in der sie einen nominellen elektrischen Anschluss der Vorrichtung erstellen, und mindestens einer endgültigen relativen elektrischen Öffnungsposition zueinander beweglich sind, in der die zwei Elektroden um einen endgültigen Abstand (Ef) voneinander beabstandet sind, dadurch gekennzeichnet, dass das Verfahren aufweist:
    - einen anfänglichen Schritt des Öffnens, der mindestens ein schnelles Öffnungszeitintervall aufweist, dessen Dauer (T1) mindestens das 1-fache der Wechselperiode des Wechselpotentials der ersten Elektrode beträgt und bei dem eine Relativbewegung der zwei Elektroden mit einer ersten Durchschnittsgeschwindigkeit des Beabstandens (V1) von mehr als 0,05 Metern pro Sekunde, vorzugsweise mehr als 0,1 Metern pro Sekunde, durchgeführt wird,
    - mindestens einen Schritt des Stabilisierens nachträglich nach dem anfänglichen Schritt des Öffnens und der mindestens ein Stabilisierungszeitintervall aufweist, dessen Dauer (T2) mindestens das 5-fache der Wechselperiode des Wechselpotentials der ersten Elektrode beträgt und Abständen der zwei Elektroden (20, 22, 24) zwischen 10 % und 90 % des endgültigen Abstands (Ef) beträgt, bei dem eine Relativbewegung der zwei Elektroden (20, 22, 24) bei einer Durchschnittsgeschwindigkeit des Beabstandens des Stabilisierens (V2) von weniger als 0,03 Metern pro Sekunde durchgeführt wird.
  2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass das Verfahren nach dem Schritt des Stabilisierens mindestens einen Schritt des Fortsetzens des Öffnens aufweist, der mindestens ein Zeitintervall des Fortsetzens des Öffnens aufweist, dessen Dauer mindestens das 5-fache der Wechselperiode des Wechselpotentials der ersten Elektrode beträgt und bei dem eine Relativbewegung der zwei Elektroden (20, 22, 24) mit einer Durchschnittsgeschwindigkeit des Beabstandens (V3) von mehr als 0,03 Metern pro Sekunde, vorzugsweise mehr als 0,05 Metern pro Sekunde, insbesondere mehr als 0,1 Metern pro Sekunde, durchgeführt wird.
  3. Verfahren nach Anspruch 2, dadurch gekennzeichnet, dass das Verfahren nach dem Schritt des Fortsetzens des Öffnens einen zweiten Schritt des Stabilisierens aufweist, der mindestens ein Zeitintervall des zweiten Stabilisierens aufweist, dessen Dauer mindestens das 5-fache der Wechselperiode des Wechselpotentials der ersten Elektrode beträgt, bei dem eine Relativbewegung der zwei Elektroden (20, 22, 24) mit einer Durchschnittsgeschwindigkeit des Beabstandens (V4) von weniger als 0,03 Metern pro Sekund durchgeführt wird.
  4. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass ein Schritt des Stabilisierens ausgelöst wird, um einer vorbestimmten Relativposition der zwei Elektroden (20, 22, 24) zu entsprechen.
  5. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass ein Schritt des Stabilisierens mindestens in Abhängigkeit von der Dauer eines Zeitintervalls zwischen zwei elektrischen Lichtbögen zwischen der ersten (20) und der zweiten (22, 24) Elektrode während der Öffnungsbewegung ausgelöst wird.
  6. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass während des anfänglichen Schritts des Öffnens ein Zeitintervall (Δt50) zwischen zwei elektrischen Lichtbögen zwischen der ersten (20) und der zweiten (22, 24) Elektrode erfasst wird und dadurch, dass die Dauer des Zeitintervalls (Δt50) mit einem Referenzwert (Δtref) verglichen wird, über dem ein Schritt des Stabilisierens ausgelöst wird.
  7. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass ein Schritt des Stabilisierens mindestens in Abhängigkeit von der Spannung zwischen den zwei Elektroden zum Zeitpunkt des Zündens eines elektrischen Lichtbogens zwischen den zwei Elektroden (20, 22, 24) ausgelöst wird.
  8. Verfahren nach Anspruch 2, dadurch gekennzeichnet, dass ein Schritt des Fortsetzens des Öffnens nach Ablauf einer vorbestimmten Zeitspanne nach einem letzten erfassten elektrischen Lichtbogen zwischen den zwei Elektroden (20, 22, 24) ausgelöst wird.
  9. Verfahren nach Anspruch 3, dadurch gekennzeichnet, dass das Auslösen eines zweiten Schritts des Stabilisierens mindestens in Abhängigkeit von dem Erfassen eines elektrischen Lichtbogens zwischen der ersten und der zweiten Elektrode während eines Schritts des Fortsetzens des Öffnens bestimmt wird.
  10. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Elektroden (20, 22, 24) bei einem Schritt des Stabilisierens mindestens eine Relativposition des letzten Bogens einnehmen, für die:
    - es einen Wert eines elektrischen Potentials der ersten Elektrode (20) gibt, der einem elektrischen Wechselpotential ausgesetzt wird, das für diese Position und für einen früheren Potentialwert der zweiten Elektrode (22, 24) einen elektrischen Lichtbogen zwischen den zwei Elektroden erzeugt, und
    - der elektrische Lichtbogen die zweite Elektrode (22, 24) auf ein Endpotential bringt, für das der Unterschied des elektrischen Potentials zwischen der ersten Elektrode (20) und der zweiten Elektrode (22, 24) kleiner als die minimale dielektrische Festigkeit zwischen den Elektroden für diese Position ist.
  11. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass ein Schritt des Stabilisierens mindestens ein Anhalten der Relativbewegung der zwei Elektroden (20, 22, 24) aufweist, ja sogar aus einem Anhalten der Relativbewegung der zwei Elektroden (20, 22, 24) besteht.
  12. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass ein Schritt des Stabilisierens eine Dauer aufweist, die mindestens das 5-fache, alternativ mindestens das 10-fache, alternativ mindestens das 20-fache der Wechselperiode des elektrischen Potentials beträgt, dem die erste Elektrode (20) ausgesetzt wird.
  13. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die zweite Durchschnittsgeschwindigkeit des Beabstandens (V2) derart gewählt wird, dass die Geschwindigkeit der Erhöhung der minimalen dielektrischen Festigkeit der Vorrichtung, die durch die Erhöhung des Abstandswertes erzeugt wird, mit einer Geschwindigkeit von weniger als 1,0 puls, vorzugsweise weniger als 0,5 pu/s, zunimmt, wobei 1 pu der Spitzenwert des elektrischen Potentials ist, dem die erste Elektrode (20) gegen Erde ausgesetzt wird.
  14. Elektrische Anlage, umfassend eine mechanische Abschaltvorrichtung (10) eines Hochspannungs-Wechselstromkreises vom Typ, der zwei Elektroden aufweist, wovon eine erste (20) einem elektrischen Wechselpotential ausgesetzt ist, und wovon eine zweite (22, 24) von jeder Spannungsquelle und von jeder elektrischen Masse elektrisch isoliert ist, wobei die zwei Elektroden (20, 22, 24) der mechanischen Vorrichtung in einer Bewegung der gesteuerten Öffnung, die durch eine Steuervorrichtung (42) gesteuert ist, zwischen einer relativen elektrischen Schließposition, in der sie einen nominellen elektrischen Anschluss der Vorrichtung erstellen, und mindestens einer endgültigen relativen elektrischen Öffnungsposition zueinander beweglich sind, in der die zwei Elektroden voneinander beabstandet sind, dadurch gekennzeichnet, dass die Steuervorrichtung (42) konfiguriert ist, um ein Verfahren zum Steuern nach einem der vorhergehenden Ansprüche umzusetzen.
  15. Elektrische Anlage nach Anspruch 14, dadurch gekennzeichnet, dass die Steuervorrichtung ein Stellglied (48) aufweist, um die Relativbewegung der zwei Elektroden (20, 22, 24) durch einen Übertragungsmechanismus (44, 46) zu steuern, der das Stellglied (48) mit mindestens einer der Elektroden verbindet, wobei der Übertragungsmechanismus (44, 46) konfiguriert ist, um das Verfahren nach einem der Ansprüche 1 bis 13 umzusetzen.
EP16809125.4A 2015-12-14 2016-11-03 Verfahren zur überwachung einer elektrischen schaltvorrichtung und elektrische installation mit einer elektrischen schaltvorrichtung Active EP3391401B1 (de)

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FR1562321A FR3045228B1 (fr) 2015-12-14 2015-12-14 Procede de controle d'un appareil de coupure electrique et installation electrique comprenant un appareil de coupure electrique
PCT/FR2016/052840 WO2017103355A1 (fr) 2015-12-14 2016-11-03 Procede de controle d'un appareil de coupure electrique et installation electrique comprenant un appareil de coupure electrique

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EP (1) EP3391401B1 (de)
JP (1) JP6880057B2 (de)
KR (1) KR20180099661A (de)
CN (1) CN108431921B (de)
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WO (1) WO2017103355A1 (de)

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FR3091407B1 (fr) 2018-12-27 2021-10-29 Inst Supergrid Dispositif de coupure de courant pour courant continu haute tension avec circuit capacitif tampon et procédé de pilotage
FR3091408B1 (fr) 2018-12-27 2021-01-15 Inst Supergrid Dispositif de coupure de courant pour courant continu haute tension avec circuit d’oscillation adaptatif et procédé de pilotage
FR3094136B1 (fr) 2019-03-22 2021-04-02 Inst Supergrid Dispositif de coupure de courant pour courant continu haute tension avec résonateur et commutation
CN112782571A (zh) * 2020-03-25 2021-05-11 天津市中力神盾电子科技有限公司 断路器寿命监测方法、装置及系统

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US3172010A (en) * 1956-01-10 1965-03-02 Ite Circuit Breaker Ltd High speed contacting device
GB2318913A (en) * 1996-10-29 1998-05-06 Gec Alsthom Ltd Performing a switching operation on a switching device
JP2000067705A (ja) 1998-08-14 2000-03-03 Toshiba Corp ガス絶縁断路器
RU85742U1 (ru) * 2006-06-26 2009-08-10 Абб Текнолоджи Аг Определение и указание обгорания контактов в силовом выключателе
FR2953983B1 (fr) * 2009-12-15 2012-01-13 Areva T & D Sas Procede de commande d'un appareil d'interruption de courant dans un reseau electrique haute tension
GB2480608B (en) * 2010-05-24 2015-04-01 Ge Aviat Systems Ltd Electromagnetic circuit interrupter

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JP2019500738A (ja) 2019-01-10
CN108431921A (zh) 2018-08-21
ES2767948T3 (es) 2020-06-19
KR20180099661A (ko) 2018-09-05
WO2017103355A1 (fr) 2017-06-22
FR3045228A1 (fr) 2017-06-16
CN108431921B (zh) 2019-12-13
JP6880057B2 (ja) 2021-06-02
FR3045228B1 (fr) 2018-01-05
EP3391401A1 (de) 2018-10-24

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