Why do switchgear cabinets need insulators?

In practice, many other components such as the circuit breaker, knife gate, bus bar, and insulators are integrated into the switchgear cabinet, which leads to a complex internal structure with narrow gaps between devices. This poses a major challenge in terms of providing robust insulation to prevent failures.

What is intelligent high-voltage switch cabinet?

Intelligent high-voltage switch cabinet is equipped with electric earth switch, electric chassis car, intelligent vacuum circuit breaker and other components. It is the basis for realizing the “remote control” function.

How many compartments does the intelligent high-voltage switch cabinet have?

The intelligent high-voltage [ 2] switch cabinet is divided into four independent compartments: bus room, instrument room, circuit breaker room and cable room. The protection grade of the cabinet is IP4X, as shown in Fig. 3. Intelligent high voltage switchgear diagram

What is a high voltage switch cabinet?

The traditional high voltage switch cabinet is mainly composed of isolation switch, earthing knife-switch, current transformer, surge arrester, vacuum circuit breaker, interlocking mechanism, live display, ammeter, signal indicator light, transfer switch, electromagnetic lock and cabinet body. The protection level of cabinet body is IP2X.

How does an energy storage spring work?

When closing is required, the positive transmission of the motor drives the clutch gear to rotate, thus driving the transmission gear and large shaft to rotate to the dead point of the energy storage spring, the position switch automatically switches the motor, and the earth switch quickly closes under the action of the energy storage spring.

What happens if a high voltage switch is not repaired?

High-voltage switchgear will have insulation aging, mechanical failure, heating and other problems in long-term operation. If these faults are not repaired in time, they will often cause mis operation or refusal of operation of the switch, which will expand the fault. If the fault is serious, it will lead to a large area of power failure.