Longitudinal-rotating removable-type indoor AC metal-enclosed switchgear

Abstract

The invention provides a longitudinal-rotating removable-type indoor AC metal-enclosed switchgear. According to the structure, a guard plate, a wall-through bushing, a sensor, a current transformer and a ground switch are arranged on cabinet body; a main bus and an upper contact of an isolation switch are arranged on the wall-through bushing; a lower contact of the isolation switch is arranged on the sensor; the lower contact of the isolation switch is connected with an incoming line at the upper end of the current transformer by using a copper bar; and an outgoing line at the lower end of the current transformer is connected with a contact of the ground switch by using the copper bar and the outgoing line is prolonged for installation as a cable. The longitudinal-rotating removable-type indoor AC metal-enclosed switchgear has the advantages that the structure of a switch cabinet is simple, a switch unit is in a longitudinal-rotating removable form, product maintenance is facilitated, the production efficiency of a product is improved, the guarantee of the product quality is improved, no harmful gas is generated, all parts can be recovered after the service life is reached, the environmental protection property of the product is greatly improved and the longitudinal-rotating removable-type indoor AC metal-enclosed switchgear adapts to the environmental protection requirements.

Description

technical field [0001] The invention is a new type of indoor AC metal-enclosed switchgear with vertical rotation and removal. The utility model belongs to the technical field of high-voltage switchgear equipment. [0002] technical background [0003] At present, the switch cabinets on the market mainly include KYN28-12 central cabinets, HXGN15-12 fixed cabinets, SF6 inflatable cabinets, solid insulation cabinets, dry air and N2 inflatable cabinets, etc. The switch unit of the traditional KYN28-12 central cabinet can be pulled out, which is convenient for maintenance, but it is large in size and occupies a large area, which is uneconomical; SF6 inflatable cabinets, solid insulation cabinets, dry air and N2 inflatable cabinets are compact, but SF6 is Greenhouse effect gas, SF6 inflatable cabinets are not conducive to environmental protection, solid insulated cabinets use a large amount of epoxy resin, and the risk of partial discharge is high; HXGN15-12 fixed cabinets, SF6 in...

AI Technical Summary

Problems solved by technology

The switch unit of the traditional KYN28-12 central cabinet can be pulled out, which is convenient for maintenance, but it is large in size and occupies a large area, which is uneconomical; the SF6 inflatable cabinet, solid insulation cabinet, dry air and N2 inflatable cabinet are compact, but SF6 is Greenhouse effect gas, SF6 inflatable cabinets are not conducive to environmental protection, solid insulated cabinets use a large amount of epoxy resin, and the risk of partial discharge is high; HXGN15-12 fixed cabinets, SF6 inflatable cabinets, solid insulated cabinets, dry air and N2 inflatable cabinets are all fixed , the installation is not convenient for maintenance and the work efficiency of production and debugging is not high

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