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An automatic generation method of expected fault set based on typhoon model

A technology of predicting fault sets and automatic generation, applied in climate sustainability, instruments, calculations, etc., can solve problems such as power grid collapse, power grid fault spread, component power outage, etc., to achieve improved efficiency, clear physical meaning, and convenient and quick solutions Effect

Active Publication Date: 2016-09-21
STATE GRID CORP OF CHINA +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

When a typhoon hits a local power grid in a certain area, the power grid failure caused by the typhoon may affect the nearby regional power grid and trigger a chain reaction.

Method used

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  • An automatic generation method of expected fault set based on typhoon model
  • An automatic generation method of expected fault set based on typhoon model
  • An automatic generation method of expected fault set based on typhoon model

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Embodiment Construction

[0041] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0042] This method establishes a typhoon model, calculates the key parameters of the wind field, gives judgment standards for judging the risk of transmission lines, simulates typhoons to generate wind circles at all levels, and analyzes the risk degree of each node in combination with geographic information to automatically generate expected fault sets for power equipment.

[0043] The invention aims to obtain the expected fault set under the typhoon working condition, provide accurate data basis for power grid analysis, further improve the efficiency of calculation and analysis, and provide timely and effective analysis results for power grid operators.

[0044] Such as figure 1 , the automatic generation method of expected fault set based on typhoon model includes the following steps:

[0045] Step 1: Obtain data section and geographic information of powe...

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Abstract

The invention provides an automatic anticipated fault set generation method based on a typhoon model. The method comprises the following steps: acquiring a fracture surface and geographic information of power grid operation mode data, establishing a typhoon model, determining a typhoon influence zone, judging overhead line fault risk, and automatically generating an anticipated fault set. According to the automatic anticipated fault set generation method provided by the invention, an overhead line fault risk judgment standard is provided according to a reasonable typhoon model, the typhoon influence scope with relatively high danger level for an overhead line is calculated, then the typhoon influence zone is obtained through the typhoon data, and finally, in combination with the power grid geographic information and multi-point fault recognition, a fault set is automatically generated.

Description

technical field [0001] The invention relates to a generation method, in particular to an automatic generation method of an expected fault set based on a typhoon model. Background technique [0002] my country's power system spans a vast area, and climate conditions are often the dominant factor affecting its safe and stable operation. Power grid operation experience shows that the probability of grid accidents caused by severe weather is relatively high within a specific period of time. Although no serious grid failure or cascading failures have been caused, there is a possibility of large-area, high-density, compound multiple faults. In thunderstorms, strong winds, and ice and snow disasters, related events (such as lightning, icing, etc.) are more likely to cause vicious chain accidents. Relevant surveys show that the production process of my country's power system is often damaged by various extreme external disasters, among which disasters with a large impact include ty...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/50
CPCY02A90/10
Inventor 潘玲玲李峰王礼文姚建国杨胜春杨争林於益军冯树海王勇汤必强刘俊石飞徐鹏
Owner STATE GRID CORP OF CHINA
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