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Power distribution switch primary and secondary fusion equipment influence factor analysis method and application thereof

A technology of power distribution switch and fusion equipment, applied in the field of power distribution analysis, can solve the problems of inability to achieve comprehensive evaluation, fuzzy comprehensive evaluation of comprehensive weight, etc.

Active Publication Date: 2021-09-10
STATE GRID HENAN ELECTRIC POWER ELECTRIC POWER SCI RES INST +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this invention does not perform a fuzzy comprehensive evaluation on the comprehensive weight obtained by the AHP and the entropy weight method, so that the comprehensive evaluation of the key factors of the primary and secondary fusion equipment of the distribution switch cannot be realized

Method used

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  • Power distribution switch primary and secondary fusion equipment influence factor analysis method and application thereof
  • Power distribution switch primary and secondary fusion equipment influence factor analysis method and application thereof
  • Power distribution switch primary and secondary fusion equipment influence factor analysis method and application thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Such as figure 1 As shown, a method for analyzing the influencing factors of primary and secondary fusion equipment of power distribution switches includes the following steps:

[0034] S1: Summarize and screen the influencing factors of primary and secondary fusion equipment of distribution switches;

[0035] S2: Calculate the subjective weight of the influencing factors of the primary and secondary fusion equipment of the distribution switch by using the analytic hierarchy process;

[0036] S3: Use the entropy weight method to calculate the objective weight of the influencing factors of the primary and secondary fusion equipment of the distribution switch;

[0037] S4: Use the fuzzy comprehensive evaluation method to perform fuzzy calculations corresponding to each layer of the influence factors of the distribution switch primary and secondary fusion equipment on the comprehensive weight calculated by the AHP and the entropy weight method.

[0038] In S1, first eval...

Embodiment 2

[0048] Such as figure 2 As shown, the embodiment of the present invention is a further improvement of the first embodiment, which is different from the first embodiment in that: in the hierarchical analysis structure of the influencing factors of the distribution switch-secondary fusion equipment, the influence of the distribution switch-secondary fusion equipment Factors include temperature factors, pressure factors, electromagnetic interference factors and partial discharge factors. The temperature factors include the influence of temperature on the electronic components of the secondary equipment, the influence of temperature on the acquisition unit of the secondary equipment, and the influence of temperature on the differential circuit of the feeder terminal. The pressure factors include the impact of different altitude pressures on the primary and secondary fusion equipment, and the internal pressure on the primary and secondary fusion equipment. The electromagnetic inter...

Embodiment 3

[0052] According to the analysis results of the influencing factors in the second embodiment, the embodiment of the present invention provides a primary and secondary fusion device for power distribution switches aimed at reducing electromagnetic interference.

[0053] Such as Figure 3~5 As shown, the primary and secondary fusion equipment of the power distribution switch includes a switchgear body 1, and a modular load switch unit 2, a fuse combination unit 3, a circuit breaker unit 4, and a bus section arranged in the switchgear body 1 Unit 5;

[0054] The load switch unit 2, the fuse combination unit 3, the circuit breaker unit 4, and the bus section unit 5 are all provided with an electromagnetic shielding mechanism 6, and the switchgear body 1 is provided with a plurality of electromagnetic wave detection sensors 7;

[0055] The electromagnetic shielding mechanism 6 includes an annular base 61 and an arc-shaped shield 62 rotatably connected to the annular base 61 .

[...

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PUM

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Abstract

The invention discloses a power distribution switch primary and secondary fusion equipment influence factor analysis method and application thereof, and belongs to the technical field of power distribution analysis. The analytic hierarchy process and the entropy method are used to comprehensively weight the key factors of the primary and secondary fusion equipment of the powe distribution switch, the fuzzy comprehensive calculation is performed based on each layer of key factors of the primary and secondary fusion equipment of the power distribution switch by combining a fuzzy comprehensive evaluation method with comprehensive empowerment. On the basis of the analytic hierarchy process, the comprehensive weighting method is adopted, and the indexes of the key factors of the primary and secondary fusion equipment of the power distribution switch are weighted more accurately; a fuzzy comprehensive evaluation method is adopted, fuzzy comprehensive evaluation vector calculation corresponding to each layer of key factors of the power distribution switch primary and secondary fusion equipment is achieved, and the method has certain engineering guiding significance on analysis of the key factors of the power distribution switch primary and secondary fusion and operation and detection of the power distribution switch primary and secondary fusion equipment.

Description

technical field [0001] The invention relates to the technical field of power distribution analysis, in particular to a method for analyzing factors affecting primary and secondary fusion equipment of power distribution switches and its application. Background technique [0002] With the opening of the electricity market and the growth of various electricity demands, the security-economy-adaptability of the distribution network has higher requirements. In the development process of the new generation of distribution automation evolution route, the primary and secondary integration technology of distribution equipment is a key link in the development, and it is also the development trend of the current smart distribution network. Primary and secondary fusion distribution switchgear can effectively solve the problem of mismatch between primary and secondary equipment in the construction and transformation of distribution network, and at the same time realize line loss managemen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/06G06Q50/06G06F17/16
CPCG06Q10/06393G06Q50/06G06F17/16Y04S10/50
Inventor 徐铭铭董轩李宗峰谢芮芮冯光魏丹孙芊刘昱轩王鹏王倩徐恒博牛荣泽张建宾陈明李丰君
Owner STATE GRID HENAN ELECTRIC POWER ELECTRIC POWER SCI RES INST