CN112751316A - Bus voltage transformer power failure configuration method and device - Google Patents
Bus voltage transformer power failure configuration method and device Download PDFInfo
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- CN112751316A CN112751316A CN202011635221.8A CN202011635221A CN112751316A CN 112751316 A CN112751316 A CN 112751316A CN 202011635221 A CN202011635221 A CN 202011635221A CN 112751316 A CN112751316 A CN 112751316A
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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
Abstract
The embodiment of the invention discloses a method and a device for configuring the power failure of a bus voltage transformer, wherein the method for configuring the power failure of the bus voltage transformer comprises the following steps: acquiring the working state of a bus voltage transformer; when the fact that the bus voltage transformer needs to be powered off is determined, a feeder line of a bus where the bus voltage transformer is located is controlled to exit from voltage loss protection, and a section switch corresponding to a spare power automatic switching function in which the bus voltage transformer participates is controlled to exit from a spare power automatic switching state; and controlling the capacitor of the bus where the bus voltage transformer is positioned to exit the automatic voltage control state and controlling the disconnecting link of the bus voltage transformer to be disconnected. The bus voltage transformer power failure configuration method and device provided by the embodiment of the invention can improve the reliability of configuration and prevent a power accident caused by missing of certain configuration or configuration error due to manual operation.
Description
Technical Field
The embodiment of the invention relates to the technology of voltage transformers, in particular to a method and a device for configuring a bus voltage transformer in a power failure mode.
Background
The voltage transformer plays an important role as an important primary device in a power system, and when the bus voltage transformer needs to be powered off due to scheduled maintenance or failure, if the configuration has problems such as a feeder line of a bus is in a voltage loss protection state, the voltage loss protection action is carried out when the current of the feeder line is smaller than a threshold value, so that power failure of a user is caused, and the operation reliability of a power grid is influenced. Therefore, the bus voltage transformer needs to be reliably configured when power failure is needed.
At present, the conventional bus voltage transformer power failure configuration method generally needs manual assistance, is slow in configuration speed and poor in reliability, and can cause switch protection misoperation or switch backup power automatic switching misoperation if a certain configuration operation or configuration error is omitted, so that a power accident event is caused.
Disclosure of Invention
The embodiment of the invention provides a method and a device for configuring a bus voltage transformer in a power failure mode, which are used for improving the reliability of configuration and preventing a power accident caused by missing of certain configuration or configuration error due to manual operation.
In a first aspect, an embodiment of the present invention provides a method for configuring a bus voltage transformer during power failure, where the method includes:
acquiring the working state of a bus voltage transformer;
when the fact that the bus voltage transformer needs to be powered off is determined, a feeder line of a bus where the bus voltage transformer is located is controlled to exit from voltage loss protection, and a section switch corresponding to a spare power automatic switching function in which the bus voltage transformer participates is controlled to exit from a spare power automatic switching state;
and controlling the capacitor of the bus where the bus voltage transformer is positioned to exit the automatic voltage control state and controlling the disconnecting link of the bus voltage transformer to be disconnected.
Optionally, the feeder that controls the bus where the bus voltage transformer is located withdraws from the voltage loss protection, including:
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 the voltage-loss protection state, controlling the feeder line to exit the voltage-loss protection state.
Optionally, the step of controlling the section switch corresponding to the backup power automatic switching function in which the bus voltage transformer participates to exit the backup power automatic switching state includes:
detecting the working state of a section switch corresponding to the spare power automatic switching function in which the bus voltage transformer participates;
and if the section switch corresponding to the spare power automatic switching function participated by the bus voltage transformer is in the switching-in state, controlling the section switch to exit the spare power automatic switching state.
Optionally, the capacitor controlling the bus where the bus voltage transformer is located exits from 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 the working state of automatic voltage control. Optionally, after the disconnecting link of the bus voltage transformer is controlled to be disconnected, the method includes:
and detecting whether the bus where the bus voltage transformer needing power failure is located finishes the power failure configuration of the bus voltage transformer or not, and if the bus does not finish the power failure configuration of the bus voltage transformer, continuing to perform the power failure configuration of the bus voltage transformer on the bus.
Optionally, each segment of bus bar is electrically connected through a segment switch.
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 device for configuring a bus voltage transformer during power failure, where the device 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 from voltage loss protection and controlling a section switch corresponding to the spare power automatic switching function in which the bus voltage transformer participates to exit from a spare power automatic switching state when the bus voltage transformer is determined to need power failure;
and the capacitor control module is used for controlling the capacitor of the bus where the bus voltage transformer is positioned to exit from the automatic voltage control state and controlling the disconnecting link of the bus voltage transformer to be disconnected.
Optionally, the switch control module includes a state detection unit and a state control unit, and the state detection unit is configured to detect a 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 from the voltage-loss protection state if the feeder line of the bus where the bus voltage transformer is located is in the voltage-loss protection state.
According to the configuration method and device for the power failure of the bus voltage transformer, provided by the embodiment of the invention, by acquiring the working state of the bus voltage transformer, when the bus voltage transformer is determined to need power failure, a feeder line of a bus where the bus voltage transformer is located is controlled to exit from voltage loss protection, and a section switch corresponding to a spare power automatic switching function in which the bus voltage transformer participates is controlled to exit from a spare power automatic switching state; and controlling the capacitor of the bus where the bus voltage transformer is positioned 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 device for the power failure of the bus voltage transformer, when the fact that the bus voltage transformer needs to be powered off is determined, a feeder line of a bus where the bus voltage transformer is located can be automatically controlled to exit from voltage loss protection, a section switch corresponding to a spare power automatic switching function in which the bus voltage transformer participates is controlled to exit from a spare power automatic switching state, a capacitor is controlled to exit from an automatic voltage control state, and a 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, automatic control can be achieved without manual assistance, the configuration reliability can be improved, and power accidents caused by omission of certain configuration or configuration errors due to manual operation are prevented.
Drawings
Fig. 1 is a flowchart of a configuration method for a bus voltage transformer during power failure according to an embodiment of the present invention;
fig. 2 is a flowchart of a configuration method for a bus voltage transformer during power failure according to a second embodiment of the present invention;
fig. 3 is a schematic diagram of a bus bar connection provided in the second embodiment of the present invention;
fig. 4 is a block diagram of a configuration apparatus for a bus voltage transformer in a power failure according to a third embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Example one
Fig. 1 is a flowchart of a method for configuring a bus voltage transformer during a power outage according to an embodiment of the present invention, where the method is applicable to a situation that the bus voltage transformer needs to be powered off, and the method may be executed by a device for configuring the bus voltage transformer during the power outage, where the device may be implemented in a software and/or hardware manner, and the device may be integrated in an electronic device, such as a computer, having a function of configuring the bus voltage transformer during the power outage, and the method specifically includes the following steps:
and 110, acquiring the working state of the bus voltage transformer.
The working state of the bus voltage transformer can comprise an operating state and a non-operating state, and the operating state can comprise a normal operating state and a non-normal operating state. The working state of the bus voltage transformer can be stored in a control system of a power grid, and the power failure configuration device of the bus voltage transformer can acquire the working state of the bus voltage transformer through an input port which is arranged by the power failure configuration device and electrically connected with the control system of the power grid, so that whether the bus voltage transformer needs to have power failure or not can be determined according to the working state of the bus voltage transformer.
And 120, when the bus voltage transformer needs to be powered off, controlling a feeder line of a bus where the bus voltage transformer is located to exit the no-voltage protection, and controlling a section switch corresponding to the spare power automatic switching function in which the bus voltage transformer participates to exit the spare power automatic switching state.
The bus where the bus voltage transformer is located is a 10kV bus, if the bus voltage transformer works in an abnormal operation state, a fault can be generated, or when the bus voltage transformer is scheduled to be overhauled, the fact that the bus voltage transformer needs to be powered off can be determined, the working state of a feeder line of the bus where the bus voltage transformer is located can be detected at the moment, if the feeder line of the bus where the bus voltage transformer is located is in a no-voltage protection state, the feeder line is controlled to exit from the no-voltage protection state, and a section switch corresponding to a spare power automatic switching function in which the bus voltage transformer participates is controlled to exit from the spare power automatic switching state, so that the power failure requirement of the bus voltage transformer is met, and the power accident caused by the fact that the bus voltage transformer is powered off due to the.
And step 130, controlling the capacitor of the bus where the bus voltage transformer is located to exit from the automatic voltage control state, and controlling the 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 from the automatic voltage control state and control the disconnecting link of the bus voltage transformer to be disconnected when the bus voltage transformer is determined to need the power failure, and after the capacitor exits from the automatic voltage control state, the switch of the circuit where the capacitor is located is in the disconnected state and maintains the disconnected state, so that when the bus voltage transformer has the power failure, the power accident caused by the fact that the capacitor is still in the automatic voltage control state is prevented.
According to the configuration method for the power failure of the bus voltage transformer, by acquiring the working state of the bus voltage transformer, when the bus voltage transformer is determined to need power failure, a feeder line of a bus where the bus voltage transformer is located is controlled to exit from voltage loss protection, and a section switch corresponding to a spare power automatic switching function in which the bus voltage transformer participates is controlled to exit from a spare power automatic switching state; and controlling the capacitor of the bus where the bus voltage transformer is positioned 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 fact that the bus voltage transformer needs to have the power failure is determined, the feeder line of the bus where the bus voltage transformer is located can be automatically controlled to exit the voltage loss protection, the section 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, the capacitor is controlled to exit the automatic voltage control state, and the disconnecting switch of the bus voltage transformer is controlled to be disconnected, so that the power failure requirement of the bus voltage transformer is met, meanwhile, automatic control can be achieved without manual assistance, the configuration reliability can be improved, and the power accident caused by certain configuration omission or configuration errors due to manual operation is prevented.
Example two
Fig. 2 is a flowchart of a configuration method for a bus voltage transformer power failure according to a second embodiment of the present invention, where this embodiment is applicable to a situation that a bus voltage transformer needs to be powered off, and the method may be executed by a configuration apparatus for a bus voltage transformer power failure, where the apparatus may be implemented by software and/or hardware, and the apparatus may be integrated in an electronic device such as a computer having a configuration function for a bus voltage transformer power failure, and the method specifically includes the following steps:
and step 210, obtaining the working state of the bus voltage transformer.
The working state of the bus voltage transformer can comprise an operating state and a non-operating state, and the operating state can comprise a normal operating state and a non-normal operating state. The working state of the bus voltage transformer can be stored in a control system of a power grid, and the power failure configuration device of the bus voltage transformer can acquire the working state of the bus voltage transformer through an input port which is arranged by the power failure configuration device and electrically connected with the control system of the power grid, so that whether the bus voltage transformer needs to have power failure or not can be determined according to the working state of the bus voltage transformer.
And step 220, detecting the working state of a feeder line of the bus where the bus voltage transformer is located when the bus voltage transformer is determined to need power failure.
Specifically, fig. 3 is a schematic diagram of a bus connection according to a second embodiment of the present invention, and referring to fig. 3, a first-stage bus is connected to a low-voltage side circuit breaker BD1, a section switch FD12, a capacitor C1, a bus voltage transformer PT1, a PT1 disconnecting link, and feeders F1 and F2 of a main transformer 1; the II-section bus is connected with a low-voltage side circuit breaker BD2 of the main transformer 2, section switches FD12 and FD23, a capacitor C2, a bus voltage transformer PT2, a PT2 disconnecting link and feeders F3 and F4; the section III bus is connected with a low-voltage side circuit breaker BD3 of a main transformer 3, a section switch FD23, a capacitor C3, a bus voltage transformer PT3, a PT3 disconnecting link and feeders F5 and F6; the grounding of the connection of the I section of bus and the III section of bus is changed into the grounding through a small resistor, and the grounding of the connection of the II section of bus is changed into the grounding through an arc suppression coil. Main 1 becomes the power supply of I section generating line under the normal condition, and main 2 becomes II section generating line power supplies, and main 3 becomes III section generating line power supplies, if the busbar voltage transformer PT1 trouble of I section generating line or need overhaul, when busbar voltage transformer PT1 need have a power failure promptly, then need detect the operating condition of feeder F1 and the operating condition of feeder F2 of I section generating line.
And step 230, if the feeder line of the bus where the bus voltage transformer is located is in the voltage-loss protection state, controlling the feeder line to exit the voltage-loss protection state.
Specifically, referring to fig. 3, if a bus voltage transformer PT1 of the i-section bus needs to be powered off, both feeder lines F1 and F2 are controlled to exit from the voltage-loss protection state, and after the feeder lines F1 and F2 exit from the voltage-loss protection state, the protection switches on the feeder lines F1 and F2 are turned off and maintain the turned-off state.
And 240, detecting the state of the section switch corresponding to the spare power automatic switching function in which the bus voltage transformer participates.
Specifically, referring to fig. 3, taking the bus voltage transformer PT2 of the second-stage bus as an example of a power outage requirement, the state of each section switch may be stored in the control system of the power grid, and the configuration device for the power outage of the bus voltage transformer may obtain the state of the section switch FD12 or FD23 corresponding to the backup power automatic switching function in which the bus voltage transformer PT2 participates, through an input port electrically connected to the control system of the power grid.
And 250, if the section switch corresponding to the spare power automatic switching function in which the bus voltage transformer participates is in the spare power automatic switching state, controlling the section switch to exit the spare power automatic switching state.
Specifically, if the bus voltage transformer PT2 of the second-section bus needs to be powered off, the section switch corresponding to the backup power automatic switching function in which the bus voltage transformer PT2 participates is FD12, and the section switch FD12 is in the backup power automatic switching state, the section switch FD12 is controlled to exit the backup power automatic switching state, so that the power outage requirement of the bus voltage transformer PT2 is met.
And step 260, detecting the working state of the capacitor of the bus where the bus voltage transformer is located, and if the capacitor is in the automatic voltage control state, controlling the capacitor to exit the automatic voltage control state and controlling the disconnecting link of the bus voltage transformer to be disconnected.
Specifically, if the bus voltage transformer PT2 of the second-stage bus needs to be powered off, the capacitor C2 of the second-stage bus is controlled to exit 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 second-segment bus exits the automatic voltage control state, the switch of the line where the capacitor C2 is located is disconnected and maintains the disconnected state.
And 270, detecting whether the bus where the bus voltage transformer needing power failure is located has completed the power failure configuration of the bus voltage transformer, and if the bus has not completed the power failure configuration of the bus voltage transformer, continuing to perform the power failure configuration of the bus voltage transformer on the bus.
Each bus is electrically connected through a section switch, namely the section switch is arranged between adjacent bus sections. If the bus voltage transformers of all the sections of buses need to be powered off, after the steps are executed, whether all the sections of buses complete the power-off configuration of the bus voltage transformers is detected, and if the buses do not complete the power-off configuration of the bus voltage transformers, the power-off configuration of the bus voltage transformers is continued to be carried out on the buses, so that the bus voltage transformers needing to be powered off are ensured to complete the configuration.
According to the configuration method for the power failure of the bus voltage transformer, when the bus voltage transformer needs to be powered off, 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 loss protection state, the feeder line is controlled to exit from the voltage loss protection state, and the section switch corresponding to the spare power automatic switching function in which the bus voltage transformer participates is controlled to exit from the spare power automatic switching state; and the capacitor is controlled to exit from the automatic voltage control state, and the disconnecting link of the bus voltage transformer is controlled to be disconnected. According to the configuration method for the power failure of the bus voltage transformer, when the fact that the bus voltage transformer needs to be powered off is determined, a feeder line of a bus where the bus voltage transformer is located can be automatically controlled to exit the voltage loss protection, a section switch corresponding to a spare power automatic switching function in which the bus voltage transformer participates is controlled to exit the spare power automatic switching state, a capacitor is controlled to exit the automatic voltage control state, and a disconnecting switch of the bus voltage transformer is controlled to be disconnected, so that the power failure requirement of the bus voltage transformer is met, meanwhile, automatic control can be achieved without manual assistance, the configuration reliability can be improved, and power accidents caused by certain missing configuration or configuration errors due to manual operation are prevented; and after the disconnecting switch of the control bus voltage transformer is disconnected, whether the automatic voltage control bus finishes the power failure configuration of the bus voltage transformer can be detected, if the bus does not finish 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 transformers needing power failure are ensured to finish the configuration.
EXAMPLE III
Fig. 4 is a block diagram of a configuration apparatus for a bus voltage transformer power failure according to a third embodiment of the present invention, where the apparatus includes a state obtaining module 310, a switch control module 320, and a capacitor control module 330; the state obtaining module 310 is configured to obtain a working state of the bus voltage transformer; the switch control module 320 is used for controlling a feeder line of a bus where the bus voltage transformer is located to exit from the voltage loss protection and controlling a section switch corresponding to the spare power automatic switching function where the bus voltage transformer participates to exit from the spare power automatic switching state when the bus voltage transformer is determined to need power failure; the capacitor control module 330 is configured to control the capacitor of the bus where the bus voltage transformer is located to exit the automatic voltage control state, and control 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 configured to detect a 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 from the voltage-loss protection state if the feeder line of the bus where the bus voltage transformer is located is in the voltage-loss 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 configured to detect a state of a section switch corresponding to a backup power automatic switching function in which the bus voltage transformer participates; the switch control unit is used for controlling the sectional switch to exit the spare power automatic switching state if the sectional switch corresponding to the spare power automatic switching function participated by the bus voltage transformer is in the switching-in state.
Preferably, the capacitor control module 330 includes a capacitor detection unit and a capacitor control unit; the bus voltage transformer comprises a capacitor detection unit, a bus voltage transformer and a control unit, wherein 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 from the working state of automatic voltage control if the capacitor of the bus where the bus voltage transformer is located is in the working state of automatic voltage control.
In an embodiment, the configuration apparatus for a power failure of a bus voltage transformer further includes a configuration detection module, where the configuration detection module is configured to detect whether a bus where the bus voltage transformer that needs to be powered off is located has completed power failure configuration of the bus voltage transformer, and if the bus does not complete power failure configuration of the bus voltage transformer, continue to perform power failure configuration of the bus voltage transformer on the bus. And all the sections of buses are electrically connected through the section switch.
The bus voltage transformer power failure configuration device provided by the embodiment and the bus voltage transformer power failure configuration method provided by any embodiment of the invention belong to the same inventive concept, have corresponding beneficial effects, and detailed technical details in the embodiment are not shown in the bus voltage transformer power failure configuration method provided by any embodiment of the invention.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious modifications, rearrangements, combinations and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (9)
1. A bus voltage transformer power failure configuration method is characterized by comprising the following steps:
acquiring the working state of a bus voltage transformer;
when the fact that the bus voltage transformer needs to be powered off is determined, a feeder line of a bus where the bus voltage transformer is located is controlled to exit from voltage loss protection, and a section switch corresponding to a spare power automatic switching function in which the bus voltage transformer participates is controlled to exit from a spare power automatic switching state;
and controlling the capacitor of the bus where the bus voltage transformer is positioned to exit the automatic voltage control state and controlling the disconnecting link of the bus voltage transformer to be disconnected.
2. The method for configuring the power failure of the bus voltage transformer according to claim 1, wherein the step of controlling the feeder line of the bus where the bus voltage transformer is located to exit the voltage loss protection 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.
3. The method for configuring the power failure of the bus voltage transformer according to claim 1, wherein the step of controlling the section switch corresponding to the backup power automatic switching function in which the bus voltage transformer participates to exit the backup power automatic switching state comprises:
detecting the working state of a section switch corresponding to the spare power automatic switching function in which the bus voltage transformer participates;
and if the section switch corresponding to the spare power automatic switching function participated by the bus voltage transformer is in the switching-in state, controlling the section switch to exit the spare power automatic switching state.
4. The method for configuring the power failure of the 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 the following steps:
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 the working state of automatic voltage control.
5. The method for configuring the power failure of the bus voltage transformer according to claim 1, wherein after the step of controlling the disconnecting link of the bus voltage transformer to be disconnected, the method comprises the following steps:
and detecting whether the bus where the bus voltage transformer needing power failure is located finishes the power failure configuration of the bus voltage transformer or not, and if the bus does not finish the power failure configuration of the bus voltage transformer, continuing to perform the power failure configuration of the bus voltage transformer on the bus.
6. The method of claim 5, wherein each bus is electrically connected to each other via a sectionalizer.
7. The method according to claim 1, wherein the bus on which the bus voltage transformer is located is a 10kV bus.
8. A configuration device for a bus voltage transformer during power failure is characterized by comprising:
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 from voltage loss protection and controlling a section switch corresponding to a spare power automatic switching function in which the bus voltage transformer participates to exit from a spare power automatic switching state when the bus voltage transformer is determined to need power failure;
and the capacitor control module is used for controlling the capacitor of the bus where the bus voltage transformer is positioned to exit from an automatic voltage control state and controlling the disconnecting link of the bus voltage transformer to be disconnected.
9. The bus voltage transformer power failure configuration device according to claim 8, wherein the switch control module comprises a state detection unit and a state control unit, 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 from the voltage-loss protection state if the feeder line of the bus where the bus voltage transformer is located is in the voltage-loss protection state.
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| CN202011635221.8A CN112751316B (en) | 2020-12-31 | 2020-12-31 | Configuration method and device for power failure of bus voltage transformer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114002626A (en) * | 2021-11-02 | 2022-02-01 | 国网河南省电力公司检修公司 | Dry-type reactor turn-to-turn short circuit fault emergency processing device |
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| CN114002626A (en) * | 2021-11-02 | 2022-02-01 | 国网河南省电力公司检修公司 | Dry-type reactor turn-to-turn short circuit fault emergency processing device |
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| CN112751316B (en) | 2023-05-05 |
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