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A smart substation alarm reasoning method

A technology of intelligent substation and reasoning method, applied in the field of intelligent substation alarm reasoning, can solve the problems of uncertainty and low reliability, and achieve the effects of reducing workload, improving reliability and improving work efficiency

Active Publication Date: 2016-03-30
STATE GRID CORP OF CHINA +3
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Problems solved by technology

[0007] The technical problem to be solved by the present invention is to provide a smart substation alarm reasoning method, which can solve the problem that the alarm reasoning system of the existing smart substation uses alarm information to reason about substation faults. lower question

Method used

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  • A smart substation alarm reasoning method

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Embodiment Construction

[0021] Such as figure 1 A smart substation alarm reasoning method shown includes the following steps:

[0022] (1) Set the weight of the signal stored in the knowledge base of the substation intelligent alarm system, and set the threshold and signal collection time for the inference engine. It is necessary to adjust the threshold setting in combination with field operation experience. If the threshold is set too large, the reasoning will not be very good The performance of intelligent alarm reasoning is uncertain, and the threshold setting is too small, which will lead to more false alarms and false alarms;

[0023] (2) When the substation generates an alarm signal, the intelligent alarm system judges whether the alarm signal triggers the inference engine by comparing the knowledge base. If the detection result is no, it waits for a new alarm signal;

[0024] (3) If the test result of step (2) is yes, start timing to check whether the set signal collection time has been reach...

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Abstract

The invention discloses an intelligent transformer substation alarming inference method. The method comprises the following steps that (1) weight setting is conducted on a signal stored in a knowledge base of an intelligent alarming system of a transformer substation and a threshold and signal collecting time are set for an inference machine; (2) when the transformer substation generates an alarming signal, the intelligent alarming system judges whether the alarming signal triggers the inference machine or not by comparing the alarming signal with the signal stored in the knowledge base; (3) if the detection result in the step (2) is yes, timing is started and whether the set signal collecting time is up or not is detected; (4) if the detection result in the step (3) is yes, whether a new alarming signal is generated or not is detected, and if the detection result is yes, the step (2) is repeated; (5) if the detection result in the step (4) is not, the weight of the alarming signal is calculated, whether the weight is larger than the set threshold is then detected, if the detection result is no, inferring ends, and if the detection result is yes, a conclusion is obtained through inference. The intelligent transformer substation alarming inference method shows the uncertainty of inference and improves the reliability.

Description

technical field [0001] The invention relates to the field of substations, in particular to an alarm reasoning method for intelligent substations. Background technique [0002] The State Grid Corporation of China clearly proposed the construction of "a smart grid with informationization, automation and interaction", and plans to fully build a unified smart grid by 2020. The substation is an important facility of the power grid, and a large number of electrical equipment are installed. The smart substation takes the primary and secondary equipment of the substation as the digital object, and is based on the high-speed network communication platform. operate. [0003] The amount of alarm information in smart substations is much larger than that in conventional substations. When a fault occurs, the system will receive a large amount of alarm information in a short period of time, which will cause a greater burden on system operation. At the same time, there are also alarm infor...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G08B25/00
Inventor 漆炜之李瑞洲施广德骆兆军许剑波费春元汤同峰陈敬仁詹成国李纪云芮国俊
Owner STATE GRID CORP OF CHINA
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