Nuclear power localization compact medium-voltage switch cabinet

Abstract

The invention relates to a nuclear power localization compact medium-voltage switch cabinet which comprises a cabinet body and an integral arcing channel arranged above the cabinet body, an inner cavity of the cabinet body is divided into a handcart chamber, an instrument chamber, a bus chamber and a cable chamber, the instrument chamber is located on the upper right portion of the handcart chamber, and the bus chamber and the cable chamber are located on the left side of the handcart chamber. A handcart chamber pressure relief channel for communicating the handcart chamber and the integral arcing channel is formed between the bus chamber and the instrument chamber, a cable chamber pressure relief channel for communicating the cable chamber and the integral arcing channel is formed between the bus chamber and the left side plate of the cabinet body, and a pressure relief cover plate is arranged between the bus chamber and the integral arcing channel. And one side edge of the pressure relief cover plate is hinged with the cabinet body through a transverse shaft. Through the arrangement of the overall arcing channel and the pressure relief channels, a pressure relief channel is provided for pressure generated by arcing faults, and the use safety requirement of a nuclear power plant is met; the structural arrangement in the cabinet body is compact and reasonable, so that the volume of the cabinet body meets the requirement of small use space of a nuclear power plant.

Description

technical field [0001] The invention relates to the technical field of medium-voltage complete switchgear, in particular to a domestically produced compact medium-voltage switchgear for nuclear power, specifically a domestically produced compact medium-voltage switchgear for nuclear power. Background technique [0002] Switchgear is a common complete set of switchgear. The key components such as circuit breaker handcart, grounding switch, transformer and contact box used in the current indoor medium voltage complete set of switchgear are all imported products, which are expensive. The rationality of the layout is poor, and the medium voltage switchgear with the same technical parameters is very large, which cannot meet the requirements of small space for nuclear power plants, so it cannot be directly used in the nuclear island control system of nuclear power plants. At present, domestic key components have not been used and are specially used for Medium-voltage switchgear fo...

AI Technical Summary

Problems solved by technology

[0002] Switchgear is a common complete set of switchgear. The key components such as circuit breaker handcart, grounding switch, transformer and contact box used in the current indoor medium voltage complete set of switchgear are all imported products, which are expensive. The rationality of the layout is poor, and the medium voltage switchgear with the same technical parameters is very large, which cannot meet the requirements of small space for nuclear power plants, so it cannot be directly used in the nuclear island control system of nuclear power plants. At present, domestic key components have not been used and are specially used for Medium-voltage switchgear for million-kilowatt nuclear power units

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