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Dongli Electric

Wuxi high and low voltage switchgear operation details


Release time:

2020-09-14

High and low voltage switchgear, as the electrical equipment of power transmission, distribution and electric energy conversion, is used for the control of power generation, transmission, distribution, electric energy conversion and electric energy consumption equipment. The product has simple and reliable "five prevention" interlocking function to prevent misoperation. The appearance is novel, smooth, concise, uniform in color and coordinated in weight proportion. The secondary wire duct in the high voltage room adopts all-metal protection, which is safer and more reliable in operation and has a more humanized man-machine interface, explosion-proof operation and other characteristics, high-voltage switchgear equipment system three-phase AC 50Hz, rated voltage 120Kv and indoor complete sets of power distribution devices, as power plants, substations and industrial and mining enterprises to connect

   High and low voltage switchgearAs electrical equipment for power transmission, distribution and power conversion, it is used for the control of power generation, transmission, distribution, power conversion and power consumption equipment. The product has simple and reliable "five-prevention" interlocking function to prevent misoperation. The appearance is novel, flat, concise, uniform in color, and coordinated in thick and heavy proportions. The secondary wire trough in the high-voltage room adopts all-metal protection, which makes the operation safer and more reliable, and has a more humanized man-machine interface, explosion-proof operation and other characteristics, high-voltage switchgear equipment system three-phase AC 50Hz, rated voltage 120Kv and indoor complete sets of power distribution devices, as power plants, substations and industrial and mining enterprises to accept and distribute electric energy, and has the circuit control, protection and monitoring functions.

actuallyHigh and low voltage switchgearThe main control switch of the cabinet body is entered by the outside line, and then the sub-control switch is set according to their respective requirements, such as instruments, motor magnetic switches, AC contactors, etc. The high and low voltage switch cabinets are divided into two types, high voltage switch cabinets and low voltage switch cabinets, and each type has a separate installation distribution room.

   High and low voltage switchgearWhat are the five defenses?

1. After the vacuum circuit breaker in the high and low voltage switch cabinet is closed at the test position of the trolley. The trolley circuit breaker cannot enter or exit the working position.

2. High and low voltage switchgear domestic vacuum circuit breaker, grounding knife in the closing. The grounding knife cannot be closed, and its function is to prevent closing with grounding wire.

3. After closing the vacuum circuit breaker and grounding knife in the high and low voltage switch cabinet at the test position. The trolley circuit breaker cannot enter the working position, and its function is to prevent the load switch from closing.

4. When the vacuum circuit breaker in the high and low voltage switch cabinet is closed, the closing and grounding knife cannot be put into operation. The rear door of the panel cabinet is locked with the machinery on the grounding knife to prevent the live grounding wire.

5. The vacuum circuit breaker in the high and low voltage switchgear cabinet cannot exit the working position of the trolley circuit breaker when closing at work. The rear door of the panel cabinet is locked with the cabinet door by the machinery on the grounding knife, which prevents it from entering the live interval by mistake.