CN112751316B - Configuration method and device for power failure of bus voltage transformer - Google Patents
Configuration method and device for power failure of bus voltage transformer Download PDFInfo
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- CN112751316B CN112751316B CN202011635221.8A CN202011635221A CN112751316B CN 112751316 B CN112751316 B CN 112751316B CN 202011635221 A CN202011635221 A CN 202011635221A CN 112751316 B CN112751316 B CN 112751316B
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- 239000003990 capacitor Substances 0.000 claims abstract description 46
- 238000001514 detection method Methods 0.000 claims description 12
- 238000010586 diagram Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/04—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for transformers
- H02H7/05—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for transformers for capacitive voltage transformers, e.g. against resonant conditions
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/22—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Stand-By Power Supply Arrangements (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The embodiment of the invention discloses a configuration method and a device for power failure of a bus voltage transformer, wherein the configuration method for power failure of the bus voltage transformer comprises the following steps: acquiring the working state of a bus voltage transformer; when the power failure of the bus voltage transformer is determined, controlling a feeder line of a bus where the bus voltage transformer is positioned to exit the voltage loss protection, and controlling a sectionalizer corresponding to the spare power automatic switching function in which the bus voltage transformer participates to exit the spare power automatic switching state; and controlling the capacitor of the bus where the bus voltage transformer is located to exit the automatic voltage control state, and controlling the disconnecting link of the bus voltage transformer to be disconnected. The configuration method and the configuration device for the power failure of the bus voltage transformer can improve the reliability of configuration and prevent power accidents caused by missing a certain configuration or generating a configuration error due to manual operation.
Description
Technical Field
The embodiment of the invention relates to a voltage transformer technology, in particular to a configuration method and device for power failure of a bus voltage transformer.
Background
The voltage transformer plays an important role as important primary equipment in a power system, and when the bus voltage transformer needs to be powered off due to planned maintenance or faults, if a configuration problem exists, such as that a feeder line of a bus is in a voltage-losing protection state, the voltage-losing protection action is caused when the feeder line current is smaller than a threshold value, so that a user is powered off, and the reliability of the operation of a power grid is affected. Therefore, the bus voltage transformer needs to be reliably configured when power failure is required.
At present, the existing configuration method for the power failure of the bus voltage transformer generally needs manual assistance, has low configuration speed and poor reliability, and if certain configuration operation or configuration error is omitted, the misoperation of switch protection or the automatic switching misoperation of the switch can be caused, so that an electric power accident event is caused.
Disclosure of Invention
The embodiment of the invention provides a configuration method and a configuration device for power failure of a bus voltage transformer, which are used for improving the reliability of configuration and preventing power accidents caused by missing a certain configuration or generating a configuration error due to manual operation.
In a first aspect, an embodiment of the present invention provides a method for configuring a power outage of a bus voltage transformer, including:
acquiring the working state of a bus voltage transformer;
when the power failure of the bus voltage transformer is determined, controlling a feeder line of a bus where the bus voltage transformer is positioned to exit the voltage loss protection, and controlling a sectionalizer corresponding to the spare power automatic switching function in which the bus voltage transformer participates to exit the spare power automatic switching state;
and controlling the capacitor of the bus where the bus voltage transformer is located to exit the automatic voltage control state, and controlling the disconnecting link of the bus voltage transformer to be disconnected.
Optionally, the step of controlling the feeder line of the bus where the bus voltage transformer is located to exit the step-out protection includes:
detecting the working state of a feeder line of a bus where a bus voltage transformer is located;
and if the feeder line of the bus where the bus voltage transformer is located is in a voltage-loss protection state, controlling the feeder line to exit the voltage-loss protection state.
Optionally, the step switch corresponding to the automatic spare power switching function in which the bus voltage transformer is controlled to participate exits the automatic spare power switching state, including:
detecting the working state of a sectionalizer corresponding to the spare power automatic switching function participated in by a bus voltage transformer;
and if the sectional switch corresponding to the standby automatic switching function participated by the bus voltage transformer is in the on state, controlling the sectional switch to exit the standby automatic switching state.
Optionally, the capacitor controlling the bus where the bus voltage transformer is located exits the automatic voltage control state, including:
detecting the working state of a capacitor of a bus where a bus voltage transformer is located;
and if the capacitor of the bus where the bus voltage transformer is located is in the working state of automatic voltage control, controlling the capacitor to exit from the working state of automatic voltage control. Optionally, after the disconnecting link of the control bus voltage transformer is disconnected, the method includes:
detecting whether a bus where the bus voltage transformer is located is in a power failure or not, if the power failure configuration of the bus voltage transformer is completed, continuing to perform the power failure configuration of the bus voltage transformer on the bus.
Optionally, each section of bus is electrically connected through a sectionalizer.
Optionally, the bus where the bus voltage transformer is located is a 10kV bus.
In a second aspect, an embodiment of the present invention further provides a configuration apparatus for power outage of a bus voltage transformer, including:
the state acquisition module is used for acquiring the working state of the bus voltage transformer;
the switch control module is used for controlling the feeder line of the bus where the bus voltage transformer is located to exit the voltage-loss protection when the power failure of the bus voltage transformer is determined, and controlling the sectional switch corresponding to the spare power automatic switching function where the bus voltage transformer participates to exit the spare power automatic switching state;
and the capacitor control module is used for controlling the capacitor of the bus where the bus voltage transformer is located to exit the automatic voltage control state and controlling the disconnecting link of the bus voltage transformer to be disconnected.
Optionally, the switch control module comprises a state detection unit and a state control unit, wherein the state detection unit is used for detecting the working state of a feeder line of a bus where the bus voltage transformer is located; the state control unit is used for controlling the feeder line to exit the voltage-losing protection state if the feeder line of the bus where the bus voltage transformer is located is in the voltage-losing protection state.
According to the configuration method and the device for the power failure of the bus voltage transformer, the working state of the bus voltage transformer is obtained, when the power failure of the bus voltage transformer is required, the feeder line of the bus where the bus voltage transformer is located is controlled to exit the voltage loss protection, and the sectional switch corresponding to the spare power automatic switching function in which the bus voltage transformer participates is controlled to exit the spare power automatic switching state; and controlling the capacitor of the bus where the bus voltage transformer is located to exit the automatic voltage control state, and controlling the disconnecting link of the bus voltage transformer to be disconnected. According to the configuration method and the configuration device for the power failure of the bus voltage transformer, when the power failure of the bus voltage transformer is required, the feeder line of the bus where the bus voltage transformer is located can be automatically controlled to exit the voltage loss protection, the sectional switch corresponding to the standby automatic switching function where the bus voltage transformer participates is controlled to exit the standby automatic switching state, the capacitor is controlled to exit the automatic voltage control state, the disconnecting link of the bus voltage transformer is controlled to be disconnected, so that the power failure requirement of the bus voltage transformer is met, meanwhile, manual assistance is not needed, the automatic control can be realized, the configuration reliability can be improved, and the electric power accident caused by missing a certain configuration or the occurrence of a configuration error due to manual operation is prevented.
Drawings
Fig. 1 is a flowchart of a configuration method for power outage of a bus voltage transformer according to an embodiment of the present invention;
fig. 2 is a flowchart of a configuration method for power outage of a bus voltage transformer according to a second embodiment of the present invention;
fig. 3 is a schematic diagram of a bus connection according to a second embodiment of the present invention;
fig. 4 is a block diagram of a configuration device for a bus voltage transformer power outage according to a third embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present invention are shown in the drawings.
Example 1
Fig. 1 is a flowchart of a configuration method for power outage of a bus voltage transformer, which is provided in an embodiment of the present invention, and the present embodiment is applicable to situations such as power outage of a bus voltage transformer, where the method may be performed by a configuration device for power outage of a bus voltage transformer, and the device may be implemented by software and/or hardware, and the device may be integrated in an electronic device, such as a computer, having a configuration function for power outage of a bus voltage transformer, and the method specifically includes the following steps:
The working states of the bus voltage transformer can comprise an operating state and an unoperated state, and the operating state can comprise a normal operating state and an unoperated operating state. The working state of the bus voltage transformer can be stored in a control system of the power grid, and the configuration device for the power failure of the bus voltage transformer can acquire the working state of the bus voltage transformer through an input port which is arranged by the configuration device and is electrically connected with the control system of the power grid, so that whether the power failure is needed for the bus voltage transformer is determined according to the working state of the bus voltage transformer.
And 120, when the fact that the bus voltage transformer needs to be powered off is determined, controlling a feeder line of a bus where the bus voltage transformer is located to exit out-of-voltage protection, and controlling a sectionalizer switch corresponding to the spare power automatic switching function in which the bus voltage transformer participates to exit out of the spare power automatic switching state.
The bus voltage transformer is arranged in a 10kV bus, if the bus voltage transformer works in an abnormal running state, namely a fault occurs, or when the bus voltage transformer is scheduled to be overhauled, the power failure of the bus voltage transformer can be determined, at the moment, the working state of a feeder line of the bus where the bus voltage transformer is arranged can be detected, if the feeder line of the bus where the bus voltage transformer is arranged in a voltage-losing protection state, the feeder line is controlled to exit the voltage-losing protection state, and a sectional switch corresponding to a spare power automatic switching function participated by the bus voltage transformer is controlled to exit the spare power automatic switching state, so that the power failure requirement of the bus voltage transformer is met, and the power accident caused when the bus voltage transformer is in the voltage-losing protection state and the sectional switch is still in the spare power automatic switching state is prevented.
And 130, controlling a capacitor of a bus where the bus voltage transformer is located to exit from an automatic voltage control state, and controlling a disconnecting link of the bus voltage transformer to be disconnected.
Specifically, the configuration device for the power failure of the bus voltage transformer can automatically control the capacitor to exit the automatic voltage control state and control the disconnecting link of the bus voltage transformer to be disconnected when the power failure of the bus voltage transformer is determined, and after the capacitor exits the automatic voltage control state, the switch of the line where the capacitor is located is in the disconnected state and maintains the disconnected state so as to prevent electric power accidents caused by the fact that the capacitor is still in the automatic voltage control state when the power failure of the bus voltage transformer is determined.
According to the configuration method for the power failure of the bus voltage transformer, the working state of the bus voltage transformer is obtained, when the power failure of the bus voltage transformer is required, the feeder line of the bus where the bus voltage transformer is located is controlled to exit the voltage loss protection, and the sectional switch corresponding to the spare power automatic switching function in which the bus voltage transformer participates is controlled to exit the spare power automatic switching state; and controlling the capacitor of the bus where the bus voltage transformer is located to exit the automatic voltage control state, and controlling the disconnecting link of the bus voltage transformer to be disconnected. According to the configuration method for the power failure of the bus voltage transformer, when the power failure of the bus voltage transformer is required, the feeder line of the bus where the bus voltage transformer is located can be automatically controlled to exit out-of-voltage protection, the sectional switch corresponding to the spare power automatic switching function where the bus voltage transformer participates is controlled to exit out of the spare power automatic switching state, the capacitor is controlled to exit out of the automatic voltage control state, the disconnecting link of the bus voltage transformer is controlled to be disconnected, so that the power failure requirement of the bus voltage transformer is met, meanwhile, manual assistance is not required, automatic control is not required, the reliability of configuration can be improved, and power accidents caused by missing a certain configuration or the occurrence of configuration errors due to manual operation are prevented.
Example two
Fig. 2 is a flowchart of a configuration method for power outage of a bus voltage transformer, which is provided in a second embodiment of the present invention, and the present embodiment is applicable to situations such as power outage of a bus voltage transformer, where the method may be performed by a configuration device for power outage of a bus voltage transformer, where the device may be implemented by software and/or hardware, and where the device may be integrated in an electronic device, such as a computer, having a configuration function for power outage of a bus voltage transformer, where the method specifically includes the following steps:
The working states of the bus voltage transformer can comprise an operating state and an unoperated state, and the operating state can comprise a normal operating state and an unoperated operating state. The working state of the bus voltage transformer can be stored in a control system of the power grid, and the configuration device for the power failure of the bus voltage transformer can acquire the working state of the bus voltage transformer through an input port which is arranged by the configuration device and is electrically connected with the control system of the power grid, so that whether the power failure is needed for the bus voltage transformer is determined according to the working state of the bus voltage transformer.
Specifically, fig. 3 is a schematic diagram of a bus connection provided in the second embodiment of the present invention, referring to fig. 3, a low-voltage side breaker BD1 of a main transformer 1, a sectioning switch FD12, a capacitor C1, a bus voltage transformer PT1, a PT1 disconnecting link, and feeder lines F1 and F2 are connected to a section i bus; the second-stage bus is connected with a low-voltage side breaker BD2 of the main transformer 2, sectionalizing switches FD12 and FD23, a capacitor C2, bus voltage transformers PT2 and PT2 disconnecting links and feeder lines F3 and F4; the III-section bus is connected with a low-voltage side breaker BD3 of a main transformer 3, a sectionalizer FD23, a capacitor C3, bus voltage transformers PT3, PT3 disconnecting links and feeder lines F5 and F6; the grounding of the I section bus and the III section bus is changed into the grounding through a small resistor, and the grounding of the II section bus is changed into the grounding through an arc suppression coil. Under normal conditions, the main transformer 1 is used for supplying power to the I-section bus, the main transformer 2 is used for supplying power to the II-section bus, and the main transformer 3 is used for supplying power to the III-section bus, and if the bus voltage transformer PT1 of the I-section bus fails or needs to be overhauled, namely, when the bus voltage transformer PT1 needs to be powered off, the working state of the feeder F1 and the working state of the feeder F2 of the I-section bus need to be detected.
Specifically, referring to fig. 3, if the bus voltage transformer PT1 of the section i bus needs to have a power failure, both the feeder lines F1 and F2 are controlled to exit the voltage-loss protection state, and after the feeder lines F1 and F2 exit the voltage-loss protection state, the protection switches on the feeder lines F1 and F2 are turned off and maintain the turned-off state.
Specifically, referring to fig. 3, taking an example that a power outage is required for a bus voltage transformer PT2 of a section ii bus, the states of the section switches may be stored in a control system of the power grid, and the configuration device for the power outage of the bus voltage transformer may obtain the states of the section switches FD12 or FD23 corresponding to the spare power automatic switching function in which the bus voltage transformer PT2 participates through an input port that is electrically connected to the control system of the power grid and is set by the configuration device.
Specifically, if the bus voltage transformer PT2 of the II-section bus needs to be powered off, the sectional switch corresponding to the standby power automatic switching function in which the bus voltage transformer PT2 participates is FD12, and the sectional switch FD12 is in the standby power automatic switching state, the sectional switch FD12 is controlled to be out of the standby power automatic switching state so as to meet the power failure requirement of the bus voltage transformer PT 2.
Specifically, if the bus voltage transformer PT2 of the second-section bus needs to have a power failure, the capacitor C2 of the second-section bus is controlled to exit from the automatic voltage control state, and the PT2 disconnecting link of the bus voltage transformer PT2 is controlled to be disconnected. After the capacitor C2 of the section II bus exits from the automatic voltage control state, the switch of the line where the capacitor C2 is located is disconnected and the disconnected state is maintained.
Each section of bus is electrically connected through a sectionalizing switch, namely, a sectionalizing switch is arranged between adjacent bus sections. If the bus voltage transformers of each section of bus need to be powered off, after each step is executed, whether the bus voltage transformers of each section of bus have all completed power-off configuration is detected, and if the bus incomplete power-off configuration exists, the power-off configuration of the bus voltage transformers is continuously carried out on the bus, so that the bus voltage transformers needing to be powered off are ensured to be configured.
According to the configuration method for the power failure of the bus voltage transformer, when the power failure of the bus voltage transformer is required, the working state of the feeder line of the bus where the bus voltage transformer is located is detected, if the feeder line of the bus where the bus voltage transformer is located is in a voltage-losing protection state, the feeder line is controlled to exit the voltage-losing protection state, and the sectional switch corresponding to the spare power automatic switching function in which the bus voltage transformer participates is controlled to exit the spare power automatic switching state; and controlling the capacitor to exit the automatic voltage control state and controlling the disconnecting link of the bus voltage transformer to be disconnected. According to the configuration method for the power failure of the bus voltage transformer, when the power failure of the bus voltage transformer is required, the feeder line of the bus where the bus voltage transformer is located can be automatically controlled to exit out-of-voltage protection, the sectional switch corresponding to the spare power automatic switching function where the bus voltage transformer participates is controlled to exit out of the spare power automatic switching state, the capacitor is controlled to exit out of the automatic voltage control state, the disconnecting link of the bus voltage transformer is controlled to be disconnected, so that the power failure requirement of the bus voltage transformer is met, meanwhile, manual assistance is not required, automatic control is not required, the reliability of configuration can be improved, and power accidents caused by missing a certain configuration or the occurrence of configuration errors due to manual operation are prevented; and after the disconnecting link of the control bus voltage transformer is disconnected, whether the automatic voltage control bus has completed the power failure configuration of the bus voltage transformer can be detected, if the bus has not completed the power failure configuration of the bus voltage transformer, the power failure configuration of the bus voltage transformer is continuously carried out on the bus, so that the bus voltage transformer needing power failure is ensured to complete the configuration.
Example III
Fig. 4 is a block diagram of a configuration device for a bus voltage transformer power outage, which is provided in the third embodiment of the present invention, and the device includes a state acquisition module 310, a switch control module 320, and a capacitor control module 330; the state acquisition module 310 is configured to acquire a working state of the bus voltage transformer; the switch control module 320 is configured to control, when it is determined that the bus voltage transformer needs to have a power outage, the feeder line of the bus where the bus voltage transformer is located to exit the voltage loss protection, and control the sectionalizer corresponding to the spare power automatic switching function where the bus voltage transformer participates to exit the spare power automatic switching state; the capacitor control module 330 is used for controlling the capacitor of the bus where the bus voltage transformer is located to exit the automatic voltage control state and controlling the disconnecting link of the bus voltage transformer to be disconnected.
On the basis of the above embodiment, the switch control module 320 includes a state detection unit and a state control unit, where the state detection unit is used to detect the working state of the feeder line of the bus where the bus voltage transformer is located; the state control unit is used for controlling the feeder line to exit the voltage-losing protection state if the feeder line of the bus where the bus voltage transformer is located is in the voltage-losing protection state.
In one embodiment, the switch control module 320 includes a switch detection unit and a switch control unit, where the switch detection unit is used to detect a state of a segment switch corresponding to the spare power automatic switching function in which the bus voltage transformer participates; and the switch control unit is used for controlling the sectionalizing switch to exit the automatic backup power switching state if the sectionalizing switch corresponding to the automatic backup power switching function participated by the bus voltage transformer is in the switching state.
Preferably, the capacitor control module 330 includes a capacitor detection unit and a capacitor control unit; the capacitor detection unit is used for detecting the working state of a capacitor of a bus where the bus voltage transformer is located; and the capacitor control unit is used for controlling the capacitor to exit the working state of the automatic voltage control if the capacitor of the bus where the bus voltage transformer is located is in the working state of the automatic voltage control.
In one embodiment, the configuration device for the power outage of the bus voltage transformer further comprises a configuration detection module, wherein the configuration detection module is used for detecting whether the bus where the bus voltage transformer to be powered off is located has completed the power outage configuration of the bus voltage transformer, and if the bus does not complete the power outage configuration of the bus voltage transformer, continuing to perform the power outage configuration of the bus voltage transformer on the bus. Wherein, each section busbar is all connected through sectionalizing switch electricity.
The configuration device for power failure of the bus voltage transformer provided by the embodiment and the configuration method for power failure of the bus voltage transformer provided by any embodiment of the invention belong to the same invention conception, have corresponding beneficial effects, and are not detailed in the embodiment, and the detailed technical details of the embodiment are not shown in the configuration method for power failure of the bus voltage transformer provided by any embodiment of the invention.
Note that the above is only a preferred embodiment of the present invention and the technical principle applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, and that various obvious changes, rearrangements, combinations, and substitutions can be made by those skilled in the art without departing from the scope of the invention. Therefore, while the invention has been described in connection with the above embodiments, the invention is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the invention, which is set forth in the following claims.
Claims (7)
1. The configuration method for the power failure of the bus voltage transformer is characterized by comprising the following steps of:
acquiring the working state of a bus voltage transformer;
when the power failure of the bus voltage transformer is determined, controlling a feeder line of a bus where the bus voltage transformer is positioned to exit the voltage loss protection, and controlling a sectionalizer corresponding to the spare power automatic switching function in which the bus voltage transformer participates to exit the spare power automatic switching state;
the capacitor of the bus where the bus voltage transformer is located is controlled to exit the automatic voltage control state, and the disconnecting link of the bus voltage transformer is controlled to be disconnected;
the feeder line of the bus where the control bus voltage transformer is located exits from the voltage loss protection, and the method comprises the following steps:
detecting the working state of a feeder line of a bus where the bus voltage transformer is located;
and if the feeder line of the bus where the bus voltage transformer is located is in a voltage-loss protection state, controlling the feeder line to exit the voltage-loss protection state.
2. The method for configuring a power outage of a bus voltage transformer according to claim 1, wherein the step of controlling the sectionalizer corresponding to the function of the power outage, in which the bus voltage transformer participates, to exit the power outage state comprises:
detecting the working state of a sectionalizer corresponding to the spare power automatic switching function participated in by the bus voltage transformer;
and if the sectional switch corresponding to the spare power automatic switching function participated in by the bus voltage transformer is in the input state, controlling the sectional switch to exit from the spare power automatic switching state.
3. The method for configuring a power outage of a bus voltage transformer according to claim 1, wherein the step of controlling the capacitor of the bus where the bus voltage transformer is located to exit from the automatic voltage control state comprises:
detecting the working state of a capacitor of a bus where the bus voltage transformer is located;
and if the capacitor of the bus where the bus voltage transformer is located is in the working state of automatic voltage control, controlling the capacitor to exit from the working state of automatic voltage control.
4. The method for configuring a power outage of a bus voltage transformer according to claim 1, wherein after the disconnecting link of the bus voltage transformer is controlled to be opened, the method comprises:
detecting whether a bus where the bus voltage transformer is located is in a power failure or not, if the power failure configuration of the bus voltage transformer is completed, continuing to perform the power failure configuration of the bus voltage transformer on the bus.
5. The method for configuring a bus voltage transformer for a power outage according to claim 4, wherein each bus section is electrically connected through a sectionalizer.
6. The configuration method for power failure of a bus voltage transformer according to claim 1, wherein the bus where the bus voltage transformer is located is a 10kV bus.
7. The utility model provides a configuration device that generating line voltage transformer has a power failure which characterized in that includes:
the state acquisition module is used for acquiring the working state of the bus voltage transformer;
the switch control module is used for controlling a feeder line of a bus where the bus voltage transformer is located to exit out-of-voltage protection when the bus voltage transformer is determined to need power failure, and controlling a sectional switch corresponding to the spare power automatic switching function in which the bus voltage transformer participates to exit out of the spare power automatic switching state;
the capacitor control module is used for controlling the capacitor of the bus where the bus voltage transformer is located to exit from an automatic voltage control state and controlling the disconnecting link of the bus voltage transformer to be disconnected;
the switch control module comprises a state detection unit and a state control unit, wherein the state detection unit is used for detecting the working state of a feeder line of a bus where the bus voltage transformer is located; and the state control unit is used for controlling the feeder line to exit the voltage-losing protection state if the feeder line of the bus where the bus voltage transformer is located is in the voltage-losing protection state.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104659784A (en) * | 2015-01-26 | 2015-05-27 | 国网浙江海盐县供电公司 | Device for suppressing voltage fluctuation of bus in transformer substation and voltage fluctuation suppression method |
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