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Configuration method and device for power failure of bus voltage transformer

A technology of voltage transformer and bus voltage, applied in emergency protection circuit devices, electrical components, etc., can solve the problems of slow configuration, automatic switching of switches, and malfunction of switch protection, etc., to prevent power accidents, improve The effect of reliability

Pending Publication Date: 2021-05-04
GUANGDONG POWER GRID CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the existing busbar voltage transformer power failure configuration method usually requires manual assistance, the configuration speed is slow and the reliability is poor. Misoperation, causing electrical accidents

Method used

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  • Configuration method and device for power failure of bus voltage transformer
  • Configuration method and device for power failure of bus voltage transformer
  • Configuration method and device for power failure of bus voltage transformer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] figure 1 It is a flow chart of a bus voltage transformer power failure configuration method provided by Embodiment 1 of the present invention. This embodiment is applicable to situations where the bus voltage transformer needs to be powered off, and the method can be implemented by a configuration device for bus voltage transformer power failure Execution, the device can be implemented by software and / or hardware, and the device can be integrated in an electronic device such as a computer with a configuration function for bus voltage transformer power failure, the method specifically includes the following steps:

[0034] Step 110, acquiring the working status of the bus voltage transformer.

[0035] Wherein, the working state of the bus voltage transformer may include a running state and a non-running state, and the running state may include a normal running state and an abnormal running state. The working state of the bus voltage transformer can be stored in the cont...

Embodiment 2

[0042] figure 2 It is a flow chart of a bus voltage transformer power failure configuration method provided by Embodiment 2 of the present invention. This embodiment is applicable to situations where the bus voltage transformer needs to be powered off. Execution, the device can be realized by software and / or hardware, and the device can be integrated in an electronic device such as a computer with a configuration function of bus voltage transformer power failure, the method specifically includes the following steps:

[0043] Step 210, acquiring the working status of the bus voltage transformer.

[0044]Wherein, the working state of the bus voltage transformer may include a running state and a non-running state, and the running state may include a normal running state and an abnormal running state. The working state of the bus voltage transformer can be stored in the control system of the power grid, and the configuration device for power failure of the bus voltage transforme...

Embodiment 3

[0059] Figure 4 It is a structural block diagram of a bus voltage transformer power failure configuration device provided in Embodiment 3 of the present invention, the device includes a state acquisition module 310, a switch control module 320 and a capacitor control module 330; wherein the state acquisition module 310 is used to obtain the bus The working state of the voltage transformer; the switch control module 320 is used to control the feeder of the bus where the bus voltage transformer is located to exit the loss of voltage protection when it is determined that the bus voltage transformer needs to be powered off, and to control the standby self-injection function that the bus voltage transformer participates in The corresponding sub-section switch exits the standby automatic switching state; the capacitor control module 330 is used to control the capacitor of the bus where the bus voltage transformer is located to exit the automatic voltage control state, and control th...

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Abstract

An embodiment of the invention discloses a configuration method and device for power failure of a bus voltage transformer. The configuration method for power failure of the bus voltage transformer comprises the steps of: acquiring a working state of the bus voltage transformer; when determining that the bus voltage transformer needs to be powered off, controlling a feeder line of the bus where the bus voltage transformer is located to quit voltage loss protection, and controlling a section switch corresponding to a spare power automatic switching function in which the bus voltage transformer participates to quit a spare power automatic switching state; and controlling a capacitor of the bus where the bus voltage transformer is located to exit the automatic voltage control state, and controlling a knife switch of the bus voltage transformer to be switched off. According to the configuration method and the device for power failure of the bus voltage transformer provided by the embodiment of the invention, the reliability of configuration can be improved, and electric power accidents caused by missing of a certain configuration or configuration errors due to manual operation can be prevented.

Description

technical field [0001] Embodiments of the present invention relate to voltage transformer technology, and in particular to a configuration method and device for bus voltage transformer power failure. Background technique [0002] As an important primary device, the voltage transformer plays an important role in the power system. When the bus voltage transformer needs to be cut off due to planned maintenance or failure, if there is a configuration problem such as the feeder of the bus is in the state of voltage loss protection, the current of the feeder is less than When the threshold is reached, the loss of voltage protection will operate, causing power outages for users and affecting the reliability of power grid operation. Therefore, the busbar voltage transformer needs to be reliably configured when a power failure is required. [0003] At present, the existing bus voltage transformer power failure configuration method usually requires manual assistance, the configuratio...

Claims

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Application Information

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IPC IPC(8): H02H7/05H02H7/22
CPCH02H7/05H02H7/22Y04S20/20Y02B70/30
Inventor 郭佳才徐大勇邵新宇陈伟德陈文彬张素明杨明李瑞谢才新李孟杰
Owner GUANGDONG POWER GRID CO LTD
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