Epoxy pouring solid insulation switch with double-isolation

Abstract

The present invention provides an epoxy pouring solid insulation switch with double-isolation which comprises three same switch bodies arranged in a housing, the switch body comprises a vacuum explosion chamber and two same upper and lower isolation switches; the upper isolation switch, the vacuum explosion-chamber cabin and the down isolation switch are fixedly connected each other, the upper isolation switch locates above the vacuum explosion chamber cabin, the lower isolation switch locates below the vacuum explosion chamber cabin, the lower isolation switch has a same horizontal installing direction and an opposite vertical installing direction with the upper isolation switch. The switch provided by the invention has advantages of reasonable design, higher electric safety performance,little volume, light weight, stable performance, reliable motion, stronger practicability and advancement. The switch provides assurance for reliability of electric supply, which is a precondition condition for reducing user investment.

Description

technical field [0001] The invention relates to a power high-voltage switch, in particular to a fully insulated epoxy cast solid insulated double isolating switch. Background technique [0002] The power switch is one of the key equipment in the power supply industry. It is used to protect the safe operation of the generator set in the power station. It is used as a switch for power transmission and transformation lines. It is one of the key components in relay protection and plays a role in safe power transmission. Function, mines, oil fields, and enterprises are used as equipment for industrial power distribution and electric traction. From this point of view, power switches play an important role in distributing electric energy and protecting power distribution equipment. [0003] The currently used power switch and the switchgear used with it are relatively large in volume, and a large amount of SF6 gas is used, which can bring serious pollution to the environment. Due ...

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Problems solved by technology

[0005] The purpose of the present invention is to solve the current high-voltage switches and switchgears that are too large in volume, use SF6 gas arc extinguishing to bring serious pollution to the environment, poor scalability, inconvenient installation, poor reliability, and high manufacturing costs and operation and maintenance costs. To provide an epoxy cast solid insulated double isolating switch with compact structure, small size, low operation and maintenance costs, not affected by the operating environment, and can significantly reduce the investment in power facilities and reduce the loss of transmission and feeder lines

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