Energy storage motor is a commonly used high-voltage cabinet circuit breaker operating mechanism of the motor products, the motor power supply methods are 220V and 220V AC two kinds, under normal circumstances the energy storage motor power is about 350W. The choice of power supply can be determined based on actual conditions.
In general, where conditions permit, it is recommended that DC power be selected for the energy storage motor because the DC power supply can be battery-powered and can be switched on or off without AC power. However, if it is not possible to use direct current because of the limited conditions, AC power supply can be used.
Through observation, we can see that when the energy storage motor is working, and the circuit breaker is divided and closed, the change of the spring is different. When the energy storage motor starts to stop working, the spring is stretched to store energy.
When the breaker is opened, the spring is retracted due to the tripping of the mechanism, the energy stored in the spring is released to the breaker contact and the brake is closed. At this time, the energy storage motor will work again under normal conditions, when it is stored again. Should store energy. When the motor presses the closing button after energy storage, the internal sound of the circuit breaker may be heard by the mechanism releasing energy by the spring energy storage to bring the contacts to close.
However, there is a doubt that the sound will be heard when the sub-gate button is pressed, but the sound at the sub-gate is smaller than that at closing. Is the spring not released after the circuit breaker is closed? When does the energy from the circuit breaker trip come from? Very simply, when the circuit breaker is opened, only the tripping contact of the tripping device releases energy, and the spring energy is not released, that is to say, the energy of the storage spring is not used.