Email:wxhxmotor@163.comWuxi Huaxing Motor Switch Factory
Wuxi Huaxing Motor Switch Factory

Wuxi Huaxing Motor Switch Factory

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Contact: Xu Ziye
Postcode: 214174
Mobile: +86-18261531922
Tel: +86-510-83743997
Fax: +86-510-83740728
E-mail: wxhxmotor@163.com

Add: No.8 Yanxiang Road, Yanqiao Town Industrial Area, Huishan District, Wuxi City, Jiangsu Province

Analysis of the use and burnout of circuit breaker energy storage motor for breaker

Circuit breaker energy storage motor for breakers can be used in different circuit systems. At present, the electric operating mechanism has two kinds of electric operating mechanism and electromagnetic operating mechanism: the electric operating mechanism is driven by an electric motor, generally suitable for the operation of large-capacity circuit breakers of 400A and above; the electromagnetic operating mechanism is driven by an electromagnet, suitable for small ones such as 100A and 225A. Capacity circuit breaker.

 

In the circuit system, the circuit breaker energy storage motor for breaker sometimes burns, and then we analyze this problem. On a certain line, the high-voltage vacuum circuit breaker uses an energy storage in-position switch to disconnect the energy storage motor for breaker circuit when the energy storage is in place. Since the energy storage motor for breaker circuit is also connected in series with a “storage switch”, when the “storage switch” is closed, the energy storage motor for breaker circuit is connected, the energy storage is in place, the internal travel switch is disconnected from the energy storage motor for breaker circuit, and the energy storage motor for breaker is stopped. After the release of the switch, the energy storage motor for breaker automatically rotates the energy storage; when the "storage switch" is opened, the high-voltage vacuum circuit breaker is closed, and the stored energy is released, because the "storage switch" has been opened, and the second time after the release of energy Energy storage will not begin and the energy storage spring will not be in tension.

 

Although the "storage switch" operation is easy and convenient, the "storage switch" may be rotated during the energy storage process, causing the circuit breaker energy storage motor for breaker to stop midway. Since the energy storage spring is already in a state of tension at this time, the energy storage motor for breaker is restarted (or even blocked) when restarting, the current is large, and there is no protection measure in the entire circuit. This is direct burning of the energy storage motor for breaker. the reason.

 

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