Power grid fault event level automatic identification method

A technology for automatic identification and power grid faults, applied in fault location, fault detection according to conductor type, measurement of electricity, etc., can solve the problems of slow calculation speed, high cost, low efficiency, etc., to reduce the misjudgment rate, ensure timeliness, Efficient effect

Inactive Publication Date: 2018-05-22
广东电网有限责任公司惠州供电局
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Simple manual calculation is slow, resulting in

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  • Power grid fault event level automatic identification method
  • Power grid fault event level automatic identification method

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[0022] The accompanying drawings are for illustrative purposes only, and should not be construed as limitations on this patent; in order to better illustrate this embodiment, certain components in the accompanying drawings will be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art It is understandable that some well-known structures and descriptions thereof may be omitted in the drawings. The positional relationship described in the drawings is for illustrative purposes only, and should not be construed as a limitation on this patent.

[0023] like figure 1 , 2 As shown, a method for automatic identification of power grid fault event level includes the following steps:

[0024] S1: Regularly read the fault source information in the early warning system database;

[0025] S2: Analyze the switch information and obtain the corresponding switch associated equipment;

[0026] S3: The topology judges whether the device...

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Abstract

The invention belongs to the power grid fault identification field and relates to a power grid fault event level automatic identification method. The method comprises the following steps: S1, fault source information in an alarm system database is regularly read; S2, switch information is parsed, so that corresponding switch associated equipment can be obtained; S3, a topologic model determines whether devices undergo voltage loss, if no devices undergo voltage loss, no events are generated; if voltage loss occurs, the topologic model traces lower-level voltage-loss devices; S4, all voltage-loss devices are put into statistics, and voltage-loss stations are obtained through analysis; S5, the real-time load of 10kv bus-bars in the voltage-loss devices and user data are put into statistics;and S6, calculation is performed according to accident event judgment rules, and the level of a current accident event is generated and displayed. With the method adopted, fault risk information can be automatically generated; high efficiency can be realized; time can be saved for a dispatcher; the dispatcher can obtain risk reference information immediately; and automatic calculation can be realized, and therefore, manual calculation errors can be avoided, and a misjudgment rate can be reduced.

Description

technical field [0001] The invention relates to the field of grid fault identification, in particular to a method for automatic identification of grid fault event levels. Background technique [0002] When the power grid fails, according to the "China Southern Power Grid Co., Ltd. Electric Power Accident (Event) Investigation Regulations", there are many basis for judging the fault event level of the power grid. At present, it can only rely on manual calculation, which may easily cause delays in the judgment of the fault event level. Or misjudgment, leading to delays in disposal, and even serious consequences such as an increase in the level of the incident and expansion of losses. [0003] There are many types of faults in the power grid, and the judgment standard of the accident regulation for the event level involves the type of equipment and the loss situation, and the data sources are diverse. Simple manual calculation is slow, resulting in high cost, low efficiency, a...

Claims

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Application Information

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IPC IPC(8): G01R31/08
CPCG01R31/086G01R31/088
Inventor 魏可慰朱凌张琴张素明郭琳刘基强汤炳钦彭文平
Owner 广东电网有限责任公司惠州供电局
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