The energy storage sign of the vacuum circuit breaker is not storing energy

What happens if a circuit breaker refuses to open?

In the case that the energy storage is not in place, if the line has an accident and the circuit breaker refuses to open, it will cause the accident to leapfrog and expand the scope of the accident; if the energy storage motor is damaged, the vacuum switch cannot be opened and closed.

Why does a vacuum circuit breaker fail to open?

The vacuum circuit breaker fails to open According to the different causes of the failure, the following failure phenomena exist: In the event of an accident, the relay protection operates, but the circuit breaker cannot be separated. The resistance of the opening coil increases and the opening force decreases;

Can a vacuum circuit breaker cause a power outage?

Many; some vacuum circuit breakers have extremely serious defects, which can easily cause accidents to leapfrog and cause large-scale power outages. Let's walk into the site where electrical engineers deal with vacuum circuit breaker failures together, so that we can accumulate experience and do comprehensive maintenance. 1.

What happens if a vacuum circuit breaker bounces?

If the period is different or the bounce is large, it will seriously affect the ability of the vacuum circuit breaker to break the overcurrent, affect the life of the circuit breaker, and cause the circuit breaker to explode in severe cases. Because this fault is a hidden fault, it is more dangerous.

What happens if a vacuum circuit breaker vacancy is reduced?

The reduction of the vacancy will seriously affect the ability of the vacuum circuit breaker to break the overcurrent, and lead to a sharp decline in the service life of the circuit breaker. In severe cases, the switch will explode.

What is a vd4-12 energy storage limit switch?

The energy storage limit switch S1 of the VD4-12 vacuum circuit breaker is used to control the start and stop of the energy storage motor and to connect the signal circuit, and the two pairs of the energy storage limit switch S1 are used to control the start and stop of the motor.