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Dynamic insulation test method and system for fast mechanical switch

A mechanical switch, dynamic insulation technology, applied in the direction of testing dielectric strength, circuit breaker testing, instruments, etc., can solve problems such as the inability to verify the dynamic insulation performance of fast mechanical switches, shorten the research and development time, promote research and development progress, and improve efficiency. Effect

Inactive Publication Date: 2019-04-30
PINGGAO GRP +5
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  • Description
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AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a dynamic insulation test method and system for a fast mechanical switch, so as to solve the problem that the dynamic insulation performance of a fast mechanical switch cannot be verified in the prior art

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  • Dynamic insulation test method and system for fast mechanical switch
  • Dynamic insulation test method and system for fast mechanical switch
  • Dynamic insulation test method and system for fast mechanical switch

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Embodiment Construction

[0021] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0022] Example of dynamic insulation test method for fast mechanical switch

[0023] The dynamic insulation test method of fast mechanical switch of the present invention, the steps are as follows:

[0024] 1) Control the opening of the fast mechanical switch;

[0025] 2) Impulse voltage is applied to the fast mechanical switch within the action time of the fast mechanical switch;

[0026] 3) Record the relevant performance parameters of the fast mechanical switch.

[0027] Compared with the traditional AC switch, the fast mechanical switch needs to withstand the transient breaking voltage during the breaking process of the circuit breaker. In the test, the instantaneous breaking voltage simulated by the impulse voltage can be applied to both ends of the fast mechanical switch after the fast mechanical switch receives the very short delay of the opening co...

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Abstract

The invention relates to a dynamic insulation test method and system for a fast mechanical switch. The test method comprises the following steps: controlling the fast mechanical switch to open; withinthe action time of the fast mechanical switch, applying surge voltage to the fast mechanical switch; and recording related performance parameters of the fast mechanical switch. The dynamic insulationtest method triggers application of surge voltage to the fast mechanical switch in a very short time within the action time of the fast mechanical switch through strict control timing sequence, thereby realizing voltage withstand test of the fast mechanical switch, and solving the problem that the dynamic insulation performance of the fast mechanical switch cannot be tested in the prior art.

Description

technical field [0001] The invention relates to the field of high-voltage switchgear testing, in particular to a dynamic insulation test method and system for fast mechanical switches. Background technique [0002] With the development of DC transmission technology, multi-terminal DC transmission technology has received more and more attention. The imbalance of domestic energy and economic development has highlighted the advantages of high-voltage DC transmission. Conventional power transmission equipment cannot meet the requirements of DC transmission technology. To promote the development of high-voltage DC circuit breakers, since there is no relevant standard for DC circuit breakers, it is impossible to test and verify the new products developed, and it is urgent to formulate relevant test methods. [0003] The fast mechanical switch is the core part of the hybrid DC circuit breaker, and its dynamic withstand voltage is crucial to the reliability of the entire DC circuit ...

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Application Information

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IPC IPC(8): G01R31/327G01R31/12
CPCG01R31/1227G01R31/327
Inventor 王卫东戴锋门博陈轩谭盛武段晓辉孙珂珂胡延涛熊萍萍朱继斌魏义涛张利欣马书豪李智勇李久良王文博
Owner PINGGAO GRP
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