Gas insulated metal sealing switch equipment

A technology of closed switchgear and gas-insulated metal, which is applied to the setting of switchgear, switchgear, electrical components, etc., which can solve the problems of labor-consuming and time-consuming equipment installation, occupying a large space, and long project operation time, etc., to achieve reliable performance , reduce operating force, and compact structure

Inactive Publication Date: 2009-01-28
JIANGSU RUGAO HIGH VOLTAGE ELECTRIC APP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the existing power industry, the measurement, protection and control equipment for power supply and consumption are generally installed and connected in a stand-alone manner. Since the installation of each stand-alone equipment needs to occupy a large space, and the installation of the equipment is labor-intensive and time-consuming, the project investment Relatively long shipping time

Method used

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  • Gas insulated metal sealing switch equipment

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Embodiment Construction

[0014] Referring to the accompanying drawings, the gas-insulated metal-enclosed switchgear of the present invention includes a cable terminal 1, a line isolating switch 2, a voltage transformer 3, a current transformer 4, a circuit breaker 5, a bus isolating switch 6, an isolating grounding switch 7, and a circuit breaker operating Mechanism 8, the cable terminal or outlet bushing connecting the line isolating switch 2 with the outside line can be arranged on the upper and lower end interfaces, and the cable terminal 1 of this embodiment is arranged at the lower end of the line isolating switch 2 . A voltage transformer 3 and a current transformer 4 are respectively connected to the interface of the line isolating switch 2, and the terminal interface of the line isolating switch 2 is a standard interface. A circuit breaker operating mechanism 8 is provided at the bottom of the circuit breaker 5; one interface of the circuit breaker 5 is connected with the current transformer 4,...

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Abstract

The invention relates to a gas-insulated metal-enclosed switchgear based on a stand-alone switch element in the power industry, which comprises a cable terminal, a line disconnecting switch, a voltage transformator, a current transformator, a circuit breaker, a bus isolating switch, an earthing isolator, and a circuit breaker operating mechanism, wherein one end of the line disconnecting switch is connected with the cable terminal, and the line disconnecting switch is respectively connected with the voltage transformator and the current transformator; and an interface of the circuit breaker is connected with the current transformator, and the circuit breaker is respectively provided with the bus isolating switch and the earthing isolator. The circuit breaker operating mechanism is arranged below the circuit breaker, thereby relieving operating force; buses of the bus isolating switch and the earthing isolator are arranged in a chamber of the circuit breaker, thereby reducing the space of the whole machine; and end interfaces of the circuit breaker are designed into standard interfaces, and three groups of arc extinguishing chambers are arranged in a structure with a shape like a Chinese character 'pin', thereby having strong universality and even distribution of electric fields.

Description

technical field [0001] The invention relates to electrical equipment in the electric power industry, in particular to a gas-insulated metal-enclosed switchgear based on a single switch element and combining a disconnector, a circuit breaker and a transformer. Background technique [0002] After searching relevant patent documents, a gas-insulated metal-enclosed switchgear with the same structure as the present invention has not been found. In the existing power industry, the measurement, protection and control equipment for power supply and consumption are generally installed and connected in a stand-alone manner. Since the installation of each stand-alone equipment needs to occupy a large space, and the installation of the equipment is labor-intensive and time-consuming, the project investment Shipping time is relatively long. Contents of the invention [0003] The object of the present invention is to provide a gas-insulated metal-enclosed switchgear with compact struct...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02B13/035
Inventor 王根政
Owner JIANGSU RUGAO HIGH VOLTAGE ELECTRIC APP
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