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Electric blocking system of busbar sectionalizing switch

A technology of sectional switch and electrical locking, which is applied in the setting of switchgear, electric switch, switchgear and other directions to achieve the effect of solving insufficient power supply and ensuring stable power supply

Active Publication Date: 2012-01-18
SHANGHAI PINGGAO TIANLING SWITCHGEAR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It has an impact on the power supply on the line side, and the corresponding line side must be powered off every time the section switch or main bus is overhauled, which brings great inconvenience to the work and life of the majority of users

Method used

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  • Electric blocking system of busbar sectionalizing switch
  • Electric blocking system of busbar sectionalizing switch
  • Electric blocking system of busbar sectionalizing switch

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0019] Hereinafter, preferred embodiments of the present invention are given in conjunction with the drawings to illustrate the technical solutions of the present invention in detail. figure 1 This is the primary system diagram of the bus section switch cabinet of the present invention. The present invention includes the first section of the bus 11 and the second section of the bus 12, the circuit breaker 2, the first three-position switch 31, the second three-position switch 32, the first The three-position switch 31 and the second three-position switch 32 are located on the first section of the bus 11 and the second section of the bus 12, respectively. The first section of the bus 11 is equipped with a circuit breaker 2, and there are only a plurality of transfer switches. Electrical interlocking relationship, there is an electrical interlocking relationship between the first three-position switch 31 on the first section of the bus 11 and the second three-position switch 32 on ...

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PUM

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Abstract

The invention discloses an electric blocking system of a busbar sectionalizing switch, which comprises a bus, a circuit breaker and a plurality of transfer switches. The electric blocking system is characterized in that the bus is divided into a plurality of sections, the transfer switches are positioned on the bus, and one section of the plurality of the sections of the bus is provided with the circuit breaker. The electric blocking system of the busbar sectionalizing switch fully solves the problem of power failure of the bus, and effectively solves the contradiction with actual insufficient power supply; and when the bus is earthed or the sectionalizing switch is overhauled, the power of corresponding circuits does not need to be cut so as to ensure the stability and the reliability ofthe power supply of a user.

Description

Technical field [0001] The invention relates to an electrical blocking system for a switch, in particular to an electrical blocking system for a bus section switch. Background technique [0002] In the power system with two busbars and one subsection or three busbars and two subsections, there are usually two ways of operating as a backup for each other. There are two common forms: (1). Sectional standby automatic switch: two-way incoming cabinet As a normal working power supply, the section cabinet is used as a backup. When any one of the incoming switches fails and trips, the bus tie switch cabinet is automatically put into use as a backup power supply. (2) Incoming line standby automatic switching: One incoming line cabinet and section cabinet are used as normal working power supply at the same time, and the other incoming line cabinet is used as a backup. When the incoming switch fails and trips, the other incoming line cabinet is used as a backup The power is turned on auto...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02B13/035H01H9/26
Inventor 杨晓艳
Owner SHANGHAI PINGGAO TIANLING SWITCHGEAR CO LTD
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