EP1347482B1 - Distribution network - Google Patents
Distribution network Download PDFInfo
- Publication number
- EP1347482B1 EP1347482B1 EP20020405200 EP02405200A EP1347482B1 EP 1347482 B1 EP1347482 B1 EP 1347482B1 EP 20020405200 EP20020405200 EP 20020405200 EP 02405200 A EP02405200 A EP 02405200A EP 1347482 B1 EP1347482 B1 EP 1347482B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- distribution network
- switching
- power distribution
- circuit breaker
- voltage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Revoked
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Classifications
-
- 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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
- H01H33/6661—Combination with other type of switch, e.g. for load break switches
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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
- H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
- H01H33/12—Auxiliary contacts on to which the arc is transferred from the main contacts
- H01H33/121—Load break switches
- H01H33/125—Load break switches comprising a separate circuit breaker
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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
- H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
- H01H33/14—Multiple main contacts for the purpose of dividing the current through, or potential drop along, the arc
- H01H33/143—Multiple main contacts for the purpose of dividing the current through, or potential drop along, the arc of different construction or type
Definitions
- the invention is based on a multi-phase electrical power distribution network according to the preamble of claim 1:
- a high voltage operated, three-phase power distribution network is known.
- This power distribution network has overhead lines connecting various substations and consumers.
- circuit breakers are provided, which among other things serve to protect the cables and consumers against consequential damage caused by a short circuit. These circuit breakers selectively switch off the faulty areas of the power distribution network in the event of damage.
- a commercial circuit breaker usually dominates the switching cases occurring in the power distribution network.
- the power distribution network has a comparatively high short-circuit power with fault currents in the range above about 40 kA to 50 kA, then it is possible that the commercial circuit breaker not master the special case of the short-circuit in each case safe.
- each of the capacitors has an insulation path to ground that must be serviced, thereby incurring additional costs, and the time required for this maintenance somewhat limits the availability of the power distribution network.
- the installation of additional capacitors can change the natural frequency of the power distribution network so that ferron resonances are possible. Due to these ferroresonances undesired overvoltages can occur during switching operations in the network.
- the invention solves the problem of providing a multi-phase power distribution network in which no additional capacitors for the reduction of the system-related slope of the recurrent voltage are needed.
- a hybrid circuit breaker according to the preamble of claim 1 is provided.
- the advantages achieved by the invention can be seen in the fact that the additional capacitors omitted, whereby the space required for the substations of the power distribution network is reduced, so that the construction costs for the creation of the power distribution network are advantageously reduced.
- these capacitors also eliminates the additional insulating bridged distances and thus the cost of the regular cleaning of this isolation. With the elimination of the additional capacitors and the risk of the occurrence of unwanted Ferroresonanzen is banned in the power distribution network.
- FIG. 1 shows a greatly simplified single-phase equivalent circuit diagram of a conventionally constructed power distribution network 1.
- the usually always existing shear separator, earth electrode and transducer are not shown, as well as the energy generator.
- This power distribution network 1 has a high-voltage part 2 lying at potential and a grounded part 3. Between an arranged in the high voltage part 2 terminal 4 and arranged in grounded part 3 terminal 5, a resistor 6 is connected in series with a capacitor 7.
- the resistor 6 represents the ohmic portion of the network impedance, the capacitor 7 represents the capacitive component of the network impedance, and the terminal 4 upstream Inductance 8 represents the inductive component of the network impedance.
- From the terminal 4 is an overhead line 9 from. At the beginning of this overhead line 9, as well as at the other end, not shown, a circuit breaker 10 is provided, these two circuit breaker switch off the overhead line 9 in case of failure.
- a terminal 11 is provided. Between this terminal 11 and a terminal 12 arranged in the earthed terminal 12, an additional capacitor 13 is connected. A similar additional capacitor is also provided at the other end of the overhead line 9. If, for example, triggered by a lightning strike, a ground fault 15 occurs in a fault location 14, the two circuit breakers must switch off the overhead line 9. If the fault location 14 is comparatively close to the power switch 10, ie in the region in which, referred to this circuit breaker 10, the occurrence of a distance short circuit can be spoken, then the slope of the rise of the recurrent voltage is limited to such values by the additional capacitor 13, which can control the circuit breaker 10 properly. The traveling wave processes caused by the short-circuit on the length of the overhead line 9 between the circuit breaker 10 and the fault location 14 can then cause no disturbance.
- FIG. 2 shows a greatly simplified, single-phase equivalent circuit diagram of a power distribution network 1 constructed in a simplified manner according to the invention.
- the shearing separators, earth electrodes and measuring transducers, which are generally always present, are not shown, nor are the energy generators.
- This power distribution network 1 has a high-voltage part 2 lying at potential and a grounded part 3. Between a arranged in the high-voltage part 2 terminal 4 and arranged in grounded part 3 terminal 5 is an ohmic Resistor 6 connected in series with a capacitor 7.
- the resistor 6 represents the resistive component of the network impedance, the capacitor 7 represents the capacitive component of the network impedance, and the terminal 4 upstream inductance 8 represents the inductive component of the network impedance. From the terminal 4 is an overhead line 9 from.
- a hybrid circuit breaker 16 is provided, these two hybrid circuit breaker switch off the overhead line 9 in case of failure. If, for example, triggered by a lightning strike, an earth fault 15 occurs in a fault location 14, the two hybrid circuit breakers switch off the overhead line 9 properly. They switch off the overhead line 9 even in case of error "distance short circuit" problem-free, since they dominate all possible in power distribution networks 1 steepnesses of the increase in the recurring voltage. Capacitors for reducing the increase in the recurrent voltage are therefore not necessary here.
- the hybrid circuit breaker 16 has in a preferred embodiment, two series-connected switching chambers 17 and 18, of which the first switching chamber 17 is formed as filled with an insulating gas chamber, while the second switching chamber 18 is formed as a vacuum interrupter chamber.
- the first switching chamber 17 is designed for permanent control of high holding voltages (operating voltages).
- the second switching chamber 18 is designed for the control of relatively high initial slopes of the recurring voltage, it takes over in the period shortly after the extinction of the Ausschaltlichtbogens the comparatively large slope of the increase in the recurrent voltage. During this period, the switching path of the first switching chamber 17 is further blown and cleaned of conductive switching residues, so that thereafter a sufficient reached dielectric strength to withstand the further increase of the recurring voltage and then the operating voltage.
- the hybrid power switch 16 is also provided with an effective voltage control, which ensures that neither of the two switching chambers 17 and 18 is dielectrically overloaded during the turn-off operation and during normal operation.
- the elimination of the additional capacitors has the great advantage that the natural frequency of the power distribution network is with great certainty far enough away from the area in which harmful Ferroresonanzen can occur.
- the reliability and availability of the power distribution network is thereby advantageously increased.
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
- Gas-Insulated Switchgears (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Hybrid Cells (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
Description
Die Erfindung geht aus von einem mehrphasigen elektrischen Energieverteilungsnetz gemäss dem Oberbegriff des Anspruchs 1:The invention is based on a multi-phase electrical power distribution network according to the preamble of claim 1:
Aus dem Artikel von Rainer Bitsch und Friedrich Richter in der Zeitschrift etz-a, Bd. 98 (1977), Seiten 137 bis 141, ist ein mit Hochspannung betriebenes, dreiphasiges Energieverteilungsnetz bekannt. Dieses Energieverteilungsnetz weist Freileitungen auf, welche verschiedene Schaltstationen und Verbraucher verbinden. In den Schaltstationen dieses Energieverteilungsnetzes sind Leistungsschalter vorgesehen, welche u. a. dem Schutz der Leitungen und Verbraucher gegen durch einen Kurzschluss verursachte Folgeschäden dienen. Diese Leistungsschalter schalten im Schadensfall selektiv die fehlerbehafteten Bereiche des Energieverteilungsnetzes ab. Ein handelsüblicher Leistungsschalter beherrscht in der Regel die im Energieverteilungsnetz auftretenden Schaltfälle. Wenn aber das Energieverteilungsnetz eine vergleichsweise hohe Kurzschlussleistung mit Fehlerströmen im Bereich über etwa 40 kA bis 50 kA aufweist, so ist es jedoch möglich, dass die handelsüblichen Leistungsschalter den speziellen Schaltfall des Abstandkurzschlusses nicht in jedem Fall sicher beherrschen.From the article by Rainer Bitsch and Friedrich Richter in the journal etz-a, vol. 98 (1977), pages 137 to 141, a high voltage operated, three-phase power distribution network is known. This power distribution network has overhead lines connecting various substations and consumers. In the substations of this power distribution network circuit breakers are provided, which among other things serve to protect the cables and consumers against consequential damage caused by a short circuit. These circuit breakers selectively switch off the faulty areas of the power distribution network in the event of damage. A commercial circuit breaker usually dominates the switching cases occurring in the power distribution network. However, if the power distribution network has a comparatively high short-circuit power with fault currents in the range above about 40 kA to 50 kA, then it is possible that the commercial circuit breaker not master the special case of the short-circuit in each case safe.
Beim Abschalten eines Abstandkurzschlusses treten in der erstlöschenden Phase des Leistungsschalters nach dem Erlöschen des Schaltlichtbogens in der Schaltstrecke zwischen den Schaltkontakten besonders grosse Steilheiten der wiederkehrenden Spannung auf, die bei herkömmlichen Leistungsschaltern zu einem unerwünschten Wiederzünden der Schaltstrecke und damit zu einem Versagen des Leistungsschalters führen können. Um derartige Fehlschaltungen zu vermeiden, werden im mehrphasigen Energieverteilungsnetz Massnahmen vorgesehen, die verhindern, dass derartig grosse Steilheiten der wiederkehrenden Spannung auftreten können. Als bewährtes Mittel hat sich der Einbau von Kondensatoren in das Energieverteilungsnetz erwiesen, welche die Eigenfrequenz des als LC-Schwingkreis anzusehenden Energieverteilungsnetzes soweit reduzieren, dass die Steilheit der wiederkehrenden Spannung nur noch vergleichsweise kleine, durch herkömmliche Leistungsschalter sicher beherrschbare Werte aufweist. Die Kondensatoren werden in der Regel zwischen dem Hochspannungspotential des Energieverteilungsnetzes und der Erde eingebaut.When switching off a distance short circuit occur in the Erstlöschenden phase of the circuit breaker after the elimination of the switching arc in the switching path between the switching contacts particularly large slopes of the recurring voltage, which can lead to an undesirable re-ignition of the switching path and thus to a failure of the circuit breaker in conventional circuit breakers. In order to avoid such errors, measures are provided in the multi-phase power distribution network, which prevent such large steepnesses of the recurring voltage can occur. The installation of capacitors in the energy distribution network has proven to be a proven means, which reduces the natural frequency of the energy distribution network to be regarded as an LC resonant circuit to such an extent that the slope of the recurring voltage only has comparatively small values that can be reliably controlled by conventional circuit breakers. The capacitors are usually installed between the high voltage potential of the power distribution network and the earth.
Dieser Einbau von Kondensatoren ist aufwendig im Hinblick auf die Kosten und den Platzbedarf für diese Elemente. Zudem weist jeder der Kondensatoren eine Isolierstrecke gegen Erde auf, die gewartet werden muss, wodurch zusätzliche Kosten verursacht werden, und wobei der Zeitbedarf für diese Wartung die Verfügbarkeit des Energieverteilungsnetzes etwas einschränkt. Der Einbau von zusätzlichen Kondensatoren kann die Eigenfrequenz des Energieverteilungsnetzes so verändern, dass Ferroresonanzen möglich sind. Aufgrund dieser Ferroresonanzen können bei Schaltvorgängen im Netz unerwünschte Überspannungen auftreten.This installation of capacitors is expensive in terms of cost and space requirements for these elements. In addition, each of the capacitors has an insulation path to ground that must be serviced, thereby incurring additional costs, and the time required for this maintenance somewhat limits the availability of the power distribution network. The installation of additional capacitors can change the natural frequency of the power distribution network so that ferron resonances are possible. Due to these ferroresonances undesired overvoltages can occur during switching operations in the network.
Im Dokument "DE 100 22 415 A" wird ein Hybridleistungsschalter gemäß dem Oberbegriff des Patentanspruchs 1 offenbart.The document "DE 100 22 415 A" discloses a hybrid power switch according to the preamble of
Die Erfindung, wie sie im unabhängigen Anspruch gekennzeichnet ist, löst die Aufgabe, ein mehrphasiges Energieverteilungsnetz zu schaffen, in welchem keine zusätzlichen Kondensatoren für die Reduktion der anlagebedingten Steilheit der wiederkehrenden Spannung benötigt werden.The invention, as characterized in the independent claim, solves the problem of providing a multi-phase power distribution network in which no additional capacitors for the reduction of the system-related slope of the recurrent voltage are needed.
In dem erfindungsgemässen Energieverteilungsnetz mit mindestens einer mehrphasigen Freileitung ist als Leistungsschalter zum Schutz der mindestens einen Freileitung ein Hybridleistungsschalter gemäß dem Oberbegriff des Patentanspruchs 1 vorgesehen.In the inventive energy distribution network with at least one multi-phase overhead line as a circuit breaker for protecting the at least one overhead line, a hybrid circuit breaker according to the preamble of
Die durch die Erfindung erreichten Vorteile sind darin zu sehen, dass die Zusatzkondensatoren entfallen, wodurch der Platzbedarf für die Schaltstationen des Energieverteilungsnetzes verkleinert wird, sodass die Baukosten für die Erstellung des Energieverteilungsnetzes vorteilhaft reduziert werden. Zudem entfallen mit diesen Kondensatoren auch die zusätzlichen isolierend überbrückten Distanzen und damit der Aufwand für die regelmässige Reinigung dieser Isolation. Mit dem Wegfallen der Zusatzkondensatoren wird auch die Gefahr des Auftretens von unerwünschten Ferroresonanzen im Energieverteilungsnetz gebannt.The advantages achieved by the invention can be seen in the fact that the additional capacitors omitted, whereby the space required for the substations of the power distribution network is reduced, so that the construction costs for the creation of the power distribution network are advantageously reduced. In addition, with these capacitors also eliminates the additional insulating bridged distances and thus the cost of the regular cleaning of this isolation. With the elimination of the additional capacitors and the risk of the occurrence of unwanted Ferroresonanzen is banned in the power distribution network.
Die Erfindung, ihre Weiterbildung und die damit erzielbaren Vorteile werden nachstehend anhand der Zeichnung, welche lediglich einen möglichen Ausführungsweg darstellt, näher erläutert.The invention, its development and the advantages that can be achieved with it are explained in more detail below with reference to the drawing, which represents only one possible embodiment.
Es zeigen:
- Fig.1 das Ersatzschaltbild eines Teils eines herkömmlich beschalteten Energieverteilungsnetzes, und
- Fig. 2 das Ersatzschaltbild eines Teils eines erfindungsgemäss vereinfachten Energieverteilungsnetzes.
- 1 shows the equivalent circuit of a part of a conventionally connected power distribution network, and
- Fig. 2 shows the equivalent circuit of a part of an inventive simplified power distribution network.
Alle für das unmittelbare Verständnis der Erfindung nicht erforderlichen Elemente sind nicht dargestellt bzw. nicht beschrieben.All elements not required for the immediate understanding of the invention are not shown or described.
Die Figur 1 zeigt ein stark vereinfachtes einphasiges Ersatzschaltbild eines herkömmlich aufgebauten Energieverteilungsnetzes 1. Die in der Regel stets vorhandenen Scherentrenner, Erder und Messwandler sind nicht eingezeichnet, ebenso nicht die Energieerzeuger. Dieses Energieverteilungsnetz 1 weist einen auf Potential liegenden Hochspannungsteil 2 und einen geerdeten Teil 3 auf. Zwischen einer im Hochspannungsteil 2 angeordneten Klemme 4 und einer im geerdeten Teil 3 angeordneten Klemme 5 ist ein ohmscher Widerstand 6 in Reihe mit einem Kondensator 7 geschaltet. Der Widerstand 6 stellt den ohmschen Anteil der Netzimpedanz dar, der Kondensator 7 stellt den kapazitiven Anteil der Netzimpedanz dar, und die der Klemme 4 vorgeschaltete Induktivität 8 stellt den induktiven Anteil der Netzimpedanz dar. Von der Klemme 4 geht eine Freileitung 9 ab. Am Anfang dieser Freileitung 9 ist, ebenso wie am anderen nicht dargestellten Ende, ein Leistungsschalter 10 vorgesehen, diese beiden Leistungsschalter schalten im Fehlerfall die Freileitung 9 ab.1 shows a greatly simplified single-phase equivalent circuit diagram of a conventionally constructed
Unmittelbar nach dem Leistungsschalter 10 ist eine Klemme 11 vorgesehen. Zwischen dieser Klemme 11 und einer im geerdeten Teil 3 angeordneten Klemme 12 ist ein Zusatzkondensator 13 geschaltet. Ein gleichartiger Zusatzkondensator ist auch am anderen Ende der Freileitung 9 vorgesehen. Wenn nun, beispielsweise durch einen Blitzschlag ausgelöst, in einem Fehlerort 14 ein Erdkurzschluss 15 auftritt, so müssen die beiden Leistungsschalter die Freileitung 9 abschalten. Wenn der Fehlerort 14 vergleichsweise nahe beim Leistungsschalter 10 ist, in dem Bereich also in dem, auf diesen Leistungsschalter 10 bezogen, vom Auftreten eines Abstandskurzschlusses gesprochen werden kann, so wird durch den Zusatzkondensator 13 die Steilheit des Anstiegs der wiederkehrenden Spannung auf solche Werte begrenzt, die der Leistungsschalter 10 einwandfrei beherrschen kann. Die durch den Abstandskurzschluss auf dem Stück der Freileitung 9 zwischen dem Leistungsschalter 10 und dem Fehlerort 14 hervor gerufenen Wanderwellenvorgänge können dann keine Störungen verursachen.Immediately after the
Die Figur 2 zeigt ein stark vereinfachtes einphasiges Ersatzschaltbild eines erfindungsgemäss vereinfacht aufgebauten Energieverteilungsnetzes 1. Die in der Regel stets vorhandenen Scherentrenner, Erder und Messwandler sind nicht eingezeichnet, ebenso nicht die Energieerzeuger. Dieses Energieverteilungsnetz 1 weist einen auf Potential liegenden Hochspannungsteil 2 und einen geerdeten Teil 3 auf. Zwischen einer im Hochspannungsteil 2 angeordneten Klemme 4 und einer im geerdeten Teil 3 angeordneten Klemme 5 ist ein ohmscher Widerstand 6 in Reihe mit einem Kondensator 7 geschaltet. Der Widerstand 6 stellt den ohmschen Anteil der Netzimpedanz dar, der Kondensator 7 stellt den kapazitiven Anteil der Netzimpedanz dar, und die der Klemme 4 vorgeschaltete Induktivität 8 stellt den induktiven Anteil der Netzimpedanz dar. Von der Klemme 4 geht eine Freileitung 9 ab.FIG. 2 shows a greatly simplified, single-phase equivalent circuit diagram of a
Am Anfang dieser Freileitung 9 ist, ebenso wie am anderen nicht dargestellten Ende, ein Hybridleistungsschalter 16 vorgesehen, diese beiden Hybridleistungsschalter schalten im Fehlerfall die Freileitung 9 ab. Wenn nun, beispielsweise durch einen Blitzschlag ausgelöst, in einem Fehlerort 14 ein Erdkurzschluss 15 auftritt, so schalten die beiden Hybridleistungsschalter die Freileitung 9 einwandfrei ab. Sie schalten die Freileitung 9 auch im Fehlerfall "Abstandskurzschluss" problemlos ab, da sie sämtliche, in Energieverteilungsnetzen 1 möglichen Steilheiten des Anstiegs der wiederkehrenden Spannung beherrschen. Kondensatoren für die Reduzierung des Anstiegs der wiederkehrenden Spannung sind deshalb hier nicht nötig.At the beginning of this
Der Hybridleistungsschalter 16 weist in einer bevorzugten Ausführungsform zwei in Reihe geschaltete Schaltkammern 17 und 18 auf, von denen die erste Schaltkammer 17 als mit einem Isoliergas gefüllte Kammer ausgebildet ist, während die zweite Schaltkammer 18 als Vakuumschaltkammer ausgebildet ist. Die erste Schaltkammer 17 ist für die dauerhafte Beherrschung hoher Haltespannungen (Betriebsspannungen) ausgelegt. Die zweite Schaltkammer 18 ist für die Beherrschung vergleichsweise hoher Anfangssteilheiten der wiederkehrenden Spannung ausgelegt, sie übernimmt in dem Zeitraum kurz nach dem Erlöschen des Ausschaltlichtbogens die vergleichsweise grosse Steilheit des Anstiegs der wiederkehrenden Spannung. Während dieses Zeitraums wird die Schaltstrecke der ersten Schaltkammer 17 weiter beblasen und von leitenden Schaltrückständen gereinigt, sodass sie danach eine genügende dielektrische Festigkeit erreicht, um dem weiteren Anstieg der wiederkehrenden Spannung und danach der Betriebsspannung standzuhalten. Der Hybridleistungsschalter 16 ist zudem mit einer wirkungsvollen Spannungssteuerung versehen, welche sicherstellt, dass keine der beiden Schaltkammern 17 und 18 während des Ausschaltvorgangs und während des Normalbetriebs dielektrisch überlastet wird.The
Der Wegfall der Zusatzkondensatoren bringt den grossen Vorteil mit sich, dass die Eigenfrequenz des Energieverteilungsnetzes mit grosser Sicherheit genügend weit von dem Bereich entfernt liegt, in welchem schädliche Ferroresonanzen auftreten können. Die Betriebssicherheit und die Verfügbarkeit des Energieverteilungsnetzes wird dadurch vorteilhaft erhöht.The elimination of the additional capacitors has the great advantage that the natural frequency of the power distribution network is with great certainty far enough away from the area in which harmful Ferroresonanzen can occur. The reliability and availability of the power distribution network is thereby advantageously increased.
- 11
- EnergieverteilungsnetzPower distribution network
- 22
- HochspannungsteilHV unit
- 33
- geerdeter Teilearthed part
- 4,54.5
- Klemmeclamp
- 66
- Widerstandresistance
- 77
- Kondensatorcapacitor
- 88th
- Induktivitätinductance
- 99
- Freileitungoverhead line
- 1010
- Leistungsschalterbreakers
- 11,1211.12
- Klemmeclamp
- 1313
- Zusatzkondensatoradditional capacitor
- 1414
- Fehlerortfault location
- 1515
- Erdkurzschlussearth fault
- 1616
- HybridleistungsschalterHybrid circuit breaker
- 17,1817.18
- Schaltkammerswitching chamber
Claims (2)
- Power distribution network having at least one polyphase overhead line (9), having at least one circuit breaker, which is provided for protection of the at least one overhead line (9) and is in the form of a hybrid circuit breaker (16) with the hybrid circuit breaker (16) having at least two switching chambers (17, 18) which are operated with different quenching media, with the at least one first of these switching chambers (17) being designed to cope with high holding voltages all the time, and in that the at least one second of these switching chambers (18) is a vacuum switching chamber, characterized in that
the vacuum switching chamber is designed to cope with the initial gradients of the returning voltage, and in that no additional capacitors for reduction of the rise in the returning voltage are provided between a high-voltage potential of the power distribution network and earth. - Power distribution network according to Claim 1, characterized in that, in the time period after quenching of the switching-off arc, the switching path of the first switching chamber (17) is still blown, and is cleaned of conductive switching residues.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE50208334T DE50208334D1 (en) | 2002-03-15 | 2002-03-15 | Power distribution network |
| EP20020405200 EP1347482B1 (en) | 2002-03-15 | 2002-03-15 | Distribution network |
| AT02405200T ATE341829T1 (en) | 2002-03-15 | 2002-03-15 | ENERGY DISTRIBUTION NETWORK |
| US10/378,849 US20030173831A1 (en) | 2002-03-15 | 2003-03-05 | Power distribution network |
| RU2003107070A RU2321129C2 (en) | 2002-03-15 | 2003-03-14 | Distributing power network |
| CNB031199658A CN100365902C (en) | 2002-03-15 | 2003-03-14 | Energy Distribution Network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP20020405200 EP1347482B1 (en) | 2002-03-15 | 2002-03-15 | Distribution network |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1347482A1 EP1347482A1 (en) | 2003-09-24 |
| EP1347482B1 true EP1347482B1 (en) | 2006-10-04 |
Family
ID=27771978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20020405200 Revoked EP1347482B1 (en) | 2002-03-15 | 2002-03-15 | Distribution network |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20030173831A1 (en) |
| EP (1) | EP1347482B1 (en) |
| CN (1) | CN100365902C (en) |
| AT (1) | ATE341829T1 (en) |
| DE (1) | DE50208334D1 (en) |
| RU (1) | RU2321129C2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9054530B2 (en) | 2013-04-25 | 2015-06-09 | General Atomics | Pulsed interrupter and method of operation |
| CN110224379B (en) * | 2018-03-01 | 2021-07-27 | 郑州大学 | HVDC circuit breaker based on series connection of vacuum and SF6 arc extinguishing chamber |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3814882A (en) * | 1973-07-25 | 1974-06-04 | Westinghouse Electric Corp | Hybrid circuit interrupter |
| US4087664A (en) * | 1975-08-29 | 1978-05-02 | I-T-E Imperial Corporation | Hybrid power circuit breaker |
| US4204101A (en) * | 1977-06-22 | 1980-05-20 | Gould Inc. | Hybrid circuit breaker with varistor in parallel with vacuum interrupter |
| JPH06310000A (en) * | 1993-04-20 | 1994-11-04 | Hitachi Ltd | Ground switchgear |
| DE19511168A1 (en) * | 1995-03-28 | 1996-10-02 | Abb Management Ag | Switching device |
| GB2341737B (en) * | 1998-09-17 | 2003-03-05 | Alstom Uk Ltd | Fault protection apparatus |
| DE19912022B4 (en) * | 1999-03-17 | 2009-02-12 | Abb Ag | High-voltage switching device with series connection of at least two vacuum switching chambers and method for operating the high-voltage sounding device |
| DE10022415A1 (en) * | 1999-10-09 | 2001-05-03 | Abb Patent Gmbh | High-voltage switching device with series connection of at least two switching devices and method for operating a high-voltage switching device |
| DE19958646C2 (en) * | 1999-12-06 | 2001-12-06 | Abb T & D Tech Ltd | Hybrid circuit breakers |
| JP3799924B2 (en) * | 2000-01-11 | 2006-07-19 | 株式会社日立製作所 | Power circuit breaker and power plant electrical circuit device |
-
2002
- 2002-03-15 AT AT02405200T patent/ATE341829T1/en not_active IP Right Cessation
- 2002-03-15 DE DE50208334T patent/DE50208334D1/en not_active Revoked
- 2002-03-15 EP EP20020405200 patent/EP1347482B1/en not_active Revoked
-
2003
- 2003-03-05 US US10/378,849 patent/US20030173831A1/en not_active Abandoned
- 2003-03-14 CN CNB031199658A patent/CN100365902C/en not_active Expired - Fee Related
- 2003-03-14 RU RU2003107070A patent/RU2321129C2/en active
Also Published As
| Publication number | Publication date |
|---|---|
| EP1347482A1 (en) | 2003-09-24 |
| CN100365902C (en) | 2008-01-30 |
| CN1445899A (en) | 2003-10-01 |
| DE50208334D1 (en) | 2006-11-16 |
| RU2321129C2 (en) | 2008-03-27 |
| ATE341829T1 (en) | 2006-10-15 |
| US20030173831A1 (en) | 2003-09-18 |
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