Alarm method for abnormal closing function of spring circuit breaker
A circuit breaker and spring-type technology, which is applied in the field of abnormal alarm of spring-type circuit breaker closing function, can solve the problem of improper operation, untimely maintenance affecting the closing function of spring-type circuit breaker, and high frequency of operation failure of spring-type circuit breakers in substations , spring circuit breaker complex operation circuit and other problems, to achieve the effect of saving maintenance costs, facilitating analysis and processing, and improving the efficiency of maintenance work
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[0045] The present invention is described in detail below in conjunction with accompanying drawing and embodiment:
[0046] The method of alarming the abnormality of the closing function of the spring circuit breaker is as follows:
[0047] 1. Build a spring circuit breaker status monitoring circuit:
[0048] 1.1 Use loop power supply 1, air switch 1, control switch, closing coil, and normally closed nodes of the energy storage relay in series to form a closing circuit (such as figure 1 shown), when the closing coil is excited, the circuit breaker will be closed;
[0049] 1.2 Use loop power supply 2, air switch 2, spring state travel switch, energy storage relay, energy storage relay normally open node and motor relay; among them, the energy storage relay normally open node and the motor relay are connected in parallel with the energy storage relay after being connected in series with the motor relay, and then connected with the The air switch 2 and the circuit power supply ...
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