Multi-mode diagnostic reasoning method for power distribution network

Abstract

The invention provides a multi-mode diagnostic reasoning method for a power distribution network. The method comprises the following steps: constructing a rule case library; after the target case is obtained, similar cases are retrieved from the rule case library; obtaining a rule case diagnosis reasoning strategy corresponding to the similar case in the rule case library; and performing diagnostic reasoning on the target case according to the obtained rule case diagnostic reasoning strategy. According to the method, a power distribution network fault diagnosis strategy is realized in combination with case reasoning on the basis of rule acquisition, when a target case is a new problem, a rule case library is retrieved by using switching value and digital value information described by a target, and if a similar object can be found in the rule case library, a fault diagnosis strategy is established. If yes, the existing cases are reused to solve new problems; if a very similar object cannot be found, the content in the rule case library is corrected, and the corrected content can be used as a solution and stored in the rule case library to serve as a new solution, so that efficient and accurate diagnosis of the fault is realized.

Description

technical field [0001] The invention relates to the field of distribution network, in particular to a multi-mode diagnosis and reasoning method for distribution network. Background technique [0002] The power network that plays the role of distributing electric energy in the power system is the distribution network, which is directly connected to the power users. User bridge. [0003] Power grid fault diagnosis is a complex and comprehensive problem, involving multiple links such as power grid operation expertise, uncertainty of information sources, and description of static correlation and dynamic process. The complexity and uncertainty of the fault diagnosis process of distribution network This makes the diagnostic reasoning of a single method less adaptable to problem solving. SUMMARY OF THE INVENTION [0004] In order to solve the problems existing in the background technology, the present invention proposes a multi-mode diagnosis and reasoning method for a distribu...

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Problems solved by technology

[0003] Power grid fault diagnosis is a complex and comprehensive problem, involving multiple links such as power grid operation expertise, uncertainty of information sources, and description of static correlations and dynamic processes. The complexity and uncertainty of the distribution network fault diagnosis process characteristics, making the diagnostic reasoning of a single method less adaptable to problem solving

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