System, method and device for obtaining residual service life of high-voltage circuit breaker

A high-voltage circuit breaker life-span technology, applied in the electric power field, can solve problems such as poor grid security and inability to accurately obtain the remaining life of high-voltage circuit breakers, and achieve the effect of improving grid security
CN106980085AInactive Publication Date: 2017-07-25ZHUHAI YINENG ELECTRONICS TECH
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
ZHUHAI YINENG ELECTRONICS TECH
Publication Date
2017-07-25
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a system, method and device for obtaining the residual service life of a high-voltage circuit breaker. The system comprises a photoelectric mutual inductor which is used for collecting a transient current signal passing through a high-voltage circuit breaker; a collection unit which is connected with the photoelectric mutual inductor and is used for obtaining the arcing time of the high-voltage circuit breaker and determining the switching-off current of the high-voltage circuit breaker according to the transient current signal; a processor which is connected with the collection unit, and is used for determining the residual service life of the high-voltage circuit breaker according to the switching-off current and the arcing time. The system solves a technical problem of poor safety of a power grid because the residual service life of the high-voltage circuit breaker cannot be obtained accurately.
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Description

technical field

[0001] The invention relates to the field of electric power, in particular to a system, method and device for obtaining the remaining life of a high-voltage circuit breaker. Background technique

[0002] The remaining life of electrical equipment refers to the time during which the electrical equipment can maintain normal operation when its overall performance drops to the point that it cannot complete its intended function during operation. The high-voltage circuit breaker is the most important high-voltage switchgear in the power system. It plays the dual role of control and protection in the power grid. If the high-voltage circuit breaker fails, it will cause a large-scale power outage and cause huge economic losses.

[0003] At present, there are mainly the following methods for evaluating the service life of high-voltage circuit breakers: First, according to the defect statistical data of high-voltage circuit breakers, the fault types are divided, and th...

Claims

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