What are the five proofs of high voltage switchgea

2022-07-22
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High voltage switch refers to the electrical products used in power generation, transmission, distribution, electric energy conversion and consumption of power system to play the role of on-off, control or protection, and the voltage level is 3.6kv~550kv, mainly including high-voltage circuit breaker, high-voltage disconnector and grounding switch, high-voltage load switch, high-voltage automatic reclosing and sectionalizer, high-voltage operating mechanism, high-voltage explosion-proof distribution device and high-voltage switchgear. High voltage switch manufacturing industry is an important part of power transmission and transformation equipment manufacturing industry, and plays a very important role in the whole power industry. Then, what are the five proofs of high-voltage switchgear? Let's have a look with Xiaobian

high voltage switch refers to the electrical products used in power generation, transmission, distribution, electric energy conversion and consumption of power system to play the role of on-off, control or protection, and the voltage level is 3.6kv~550kv, mainly including high-voltage circuit breaker, high-voltage disconnector and grounding switch, high-voltage load switching, high-voltage automatic reclosing and sectionalizer, high-voltage operating mechanism, high-voltage explosion-proof distribution device and high-voltage switchgear. High voltage switch manufacturing industry is an important part of power transmission and transformation equipment manufacturing industry, and plays a very important role in the whole power industry. Then, what are the five proofs of high-voltage switchgear? Let's have a look with Xiaobian

1. After the vacuum circuit breaker trolley in the high-voltage switchgear is closed in the test position, the trolley circuit breaker cannot enter the working position. (prevent switching on with load)

2. When the grounding knife in the high-voltage switchgear is closed, the trolley circuit breaker cannot be switched on. (prevent closing with grounding wire)

3. When the vacuum circuit breaker in the high-voltage switchgear is closed, the back door of the panel and cabinet is locked with the machinery on the grounding knife. (prevent entering the live Bay by mistake)

4. The vacuum circuit breaker in the high-voltage switchgear is closed during operation, and the grounding knife cannot be put into operation. (prevent the live hanging of grounding wire)

5. The vacuum circuit breaker in the high-voltage switchgear cannot exit the working position of the trolley circuit breaker when it is switched on. (prevent loaded broach switch)

conclusion: the above is the relevant knowledge about the five prevention of high-voltage switchgear, and I hope it can help you. For more home decoration knowledge, please pay attention to the information

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