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A method for phase commutation of insulating pipe bus

A technology of insulating tubes and busbars, applied in the direction of busbar/line layout, etc., can solve the problem of inconsistent installation sequence of insulating tubes, busbars, etc.

Active Publication Date: 2015-12-09
STATE GRID CORP OF CHINA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the order of the busbars of one of the inflatable cabinets is used as the standard, it will inevitably lead to the inconsistency of the installation sequence of the busbars of the insulating tube and the busbars of the opposite row of the main inflatable cabinet

Method used

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  • A method for phase commutation of insulating pipe bus
  • A method for phase commutation of insulating pipe bus

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Embodiment Construction

[0022] The embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings. The following embodiments are only descriptive, not restrictive, and cannot limit the protection scope of the present invention.

[0023] A method for commutating an insulating pipe busbar, comprising the following steps:

[0024] (1) According to the layout of the main transformer and inflatable switchgear, formulate the layout plan for the laying of the insulating pipe busbar. When there is a cable interlayer, use the cable support for the cable interlayer, and make full use of the existing cable support for the layout. It is necessary Set up an independent hanger.

[0025] (2) According to the actual situation of the electrical connection, the commutation design is carried out within the space range with commutation conditions; the specific method is:

[0026] ①Choose a place with a space of not less than 80cm above the three-phase insula...

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Abstract

The invention relates to a phase change method of insulating tube buses. The phase change method of the insulating tube buses comprises the steps that (1) a run layout plan of the insulating tube buses to be laid is made according to the layout of a main transformer and inflatable switch cabinets, and (2) according to electric connection situations, a phase change design is carried out in a space range meeting phase change requirements, wherein phase change design is carried out in a space not less than 80cm above three-phase insulating tube buses A, B and C, and the sideward three-phase insulating tube buses A and C are selected from the three-phase insulating tube buses A, B and C to carry out phase change. The phase change method of the insulating tube buses meets the wiring requirements when two rows of the inflatable switch cabinets are arranged face to face, due to the fact that the insulating tube buses are bent at an angle in a specific range, it is ensured that the carrying capacity, heating and deformation of the insulating tube buses are in a reasonable range, and normal use of the insulating tube buses is not affected.

Description

technical field [0001] The invention belongs to the phase commutation technology of an insulating tube busbar in the technical field of power generation, transformation and distribution, in particular to a phase commutation method of an insulating tube busbar. Background technique [0002] Insulated pipe busbar is an important power distribution device in substations that has emerged in recent years, and plays an important role in power systems. It is usually used in 35kV and 10kV power systems where the total current is relatively large. The application of insulating tube bus can not only increase the carrying capacity of conductors, but also solve the disadvantages of unbalanced three-phase current distribution of conventional flexible wires and cables. However, in the application process of the insulating tube bus, there are also some problems that the conventional wires do not have. Since the conventional wires are generally steel-cored aluminum stranded wires or cables...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02B1/20
Inventor 毛华耿芳王笑一马力曲家陟张来范伟马林
Owner STATE GRID CORP OF CHINA
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