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Method for improving switching-on tripped processing efficiency based on changing excessive stroke

A closing bounce and efficiency technology, applied in high-voltage air circuit breakers, high-voltage/high-current switches, electrical components, etc., can solve problems such as excessive test data, reduce time, reduce times, and improve the efficiency of closing bounces. Effect

Inactive Publication Date: 2010-11-17
SHANGHAI MUNICIPAL ELECTRIC POWER CO +1
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0003] When testing the characteristics of the circuit breaker, it was found that some test data exceeded the standard. Among them, the closing bounce data accounted for the first place in the number of exceeding the standard. How to improve the efficiency of dealing with closing bounce is the problem that the inventor of the present application is devoted to research.

Method used

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Embodiment Construction

[0011] The present invention will be further described below.

[0012] One of the methods of the present invention is based on changing the overtravel size to improve the efficiency of closing bounce, including a circuit breaker with contacts on it. When the circuit breaker is an oil-less circuit breaker, the opening distance of the contacts is the total The stroke range is 142mm~149mm or 305mm~320mm, and the range of different types of oil-less circuit breakers is also different. For example, the opening distance of SN10-101 type oil-less circuit breaker is 142mm~149mm, and the optimal one is 145mm; SW2 The opening distance range of -352 type oil-less circuit breaker is 305mm ~ 320mm, and the optimum is 310mm.

[0013] The second aspect of the present invention is a method for improving the efficiency of closing bounce based on changing the overtravel size, including a circuit breaker with contacts on it. When the circuit breaker is a vacuum circuit breaker, the range of the ...

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Abstract

The invention discloses a method for improving switching-on tripped processing efficiency based on changing an excessive stroke. A circuit breaker is comprised, wherein a contact end is arranged on the circuit breaker; when the circuit breaker is a low-oil content circuit breaker, the opening distance of the contact end, namely total stroke ranges from 142mm to 149mm or 305mm to 320mm; and when the circuit breaker is a vacuum circuit breaker, the opening distance of the contact end ranges from 7.5mm to 8.5mm or 9mm to 12.5mm. The method for improving switching-on tripped processing efficiency based on changing the excessive stroke is used for changing the excessive stroke by adjusting the opening distance of the contact end of the circuit breaker to achieve the aim of improving the switching-on tripped processing efficiency.

Description

technical field [0001] The invention relates to a circuit breaker, in particular to a method for improving the closing bounce efficiency based on changing the overtravel size. technical background [0002] The circuit breaker is named for its arc extinguishing medium and the insulating medium of the contact gap after arc extinguishing are high vacuum; it has the advantages of small size, light weight, suitable for frequent operation, and no maintenance for arc extinguishing. The application is more popular. [0003] When testing the characteristics of the circuit breaker, it was found that some test data exceeded the standard. Among them, the closing bounce data accounted for the first place in the number of exceeding the standard. How to improve the efficiency of dealing with the closing bounce is the problem that the inventor of the present application is committed to research. . Contents of the invention [0004] The purpose of the present invention is to overcome the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H33/42H01H33/664
Inventor 荀秀忠
Owner SHANGHAI MUNICIPAL ELECTRIC POWER CO
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