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The tracking and determination method of the standby automatic switch that causes the action when the equipment fails

It is a technology of self-switching when a fault occurs. It is applied in the direction of instruments, electrical components, and data processing applications. It can solve problems such as large computing time, frequent topology computing, and consumption, and achieve the effect of saving computing time.

Active Publication Date: 2016-01-20
DONGFANG ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since a large number of switch simulation displacement operations are involved, it will also lead to frequent topology calculations and consume a lot of calculation time

Method used

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  • The tracking and determination method of the standby automatic switch that causes the action when the equipment fails
  • The tracking and determination method of the standby automatic switch that causes the action when the equipment fails
  • The tracking and determination method of the standby automatic switch that causes the action when the equipment fails

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Embodiment Construction

[0016] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0017] Take the power point (220kV busbar and the actual generator) as the root node to search all the way to the 10kV or 35kV busbar and record all the power supply paths, and obtain the equipment and process on the power supply path through the equipment information and bus information passing through the power supply path If a certain device is the only critical path leading to the power point from the working bus of standby automatic switching, and this device is not the path leading to the corresponding standby bus of standby automatic switching, it means that the failure of this equipment must be It will lead to the loss of power of the working bus of the standby automatic switch, and also cause the corresponding standby automatic switch action.

[0018] The specific steps for tracking and judging are as follows:

[0019] (1) Determine t...

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Abstract

The invention relates to a tracking and determining method for spare power automatic switching of action during device failure. The method includes the steps of searching from power supply points of a power grid to buses at low voltage level, and determining corresponding spare power automatic switching action caused by power-losing of an operating bus of spare power automatic switching due to device failure if a device is the only critical path of the operating bus of spare power automatic switching to the power supply points and is not the path to a spare bus corresponding to the spare power automatic switching. Therefore, information of spare power automatic switching of all action caused by a specific N-1 fault can be obtained.

Description

technical field [0001] The invention relates to a tracking method for determining the automatic switching of the equipment that causes action when a certain equipment fails in N-1 analysis. It belongs to the technical field of power system automation. Background technique [0002] Different from power grids and provincial power grids, regional power grids are characterized by their jurisdiction usually including main transformers and lines below 220kV and some 500kV main transformers. Among them, the 220kV line is generally operated by the ring network power supply mode, and the 110kV main transformer or line is usually operated by the radial network power supply mode. In order to ensure the reliability of power supply, the regional power grid usually installs a large number of backup automatic switching devices (BATS) inside the substation. BATS is an important measure to ensure the reliability of power supply. When the power grid fails and the bus fails, the BATS that me...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J9/06H02J9/08G06Q50/06
Inventor 潘凯岩谭大帅赵勇刘尚伟董文杰李绥荣李惠娟赵友国邓颖奇成江东高天亮
Owner DONGFANG ELECTRONICS