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Bus bar for transformer station transformer chamber and switch cabinet

A busbar and main transformer room technology is applied in the installation field of connecting the main transformer chamber and the low-voltage side switch cabinet of a 35kV all-indoor substation, which can solve the problem of high price, save construction costs, ensure master control, and increase complexity. degree of effect

Inactive Publication Date: 2017-10-24
STATE GRID SHANDONG ELECTRIC POWER +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Therefore, the technical problem to be solved by the present invention is to overcome the expensive defect of the closed busbar in the prior art, thereby providing a low-cost busbar for the main transformer room and switchgear of the substation

Method used

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  • Bus bar for transformer station transformer chamber and switch cabinet
  • Bus bar for transformer station transformer chamber and switch cabinet
  • Bus bar for transformer station transformer chamber and switch cabinet

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Embodiment Construction

[0023] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of them. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0024] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the pointed device or element must have a specific orientation or a ...

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Abstract

A bus bar for the main transformer room and switch cabinet of the substation according to the present invention, the bus bar includes: connecting bus bars, three bus bars are provided to form phase a, phase b and phase c between the main transformer room and the switch cabinet; The busbar support includes several fixing frames arranged along the laying direction of the connecting busbar, which are used to support the connecting busbar, replacing the way that the main transformer room of the 35kV indoor substation and the low-voltage side switchgear are connected by closed busbars. The closed bus bar is assembled by the switchgear manufacturer, which is expensive. The present invention can achieve the purpose by using conventional materials and conventional construction methods, saving the closed bus bar material and special installation and construction costs. The bus bar provided by the invention is wrapped with an insulating heat-shrinkable sheath to avoid accidents caused by interphase short circuit of the bare bus bar due to contact with live conductors by foreign objects, ensure the reliability of power supply, and ensure that the copper bus bar is not affected by dust and moisture.

Description

Technical field [0001] The invention relates to the field of substation construction, in particular to the installation of the connection between the main transformer room of the 35kV indoor substation and the low-voltage side switch cabinet. Background technique [0002] At present, the main transformer room and low-voltage side switchgear of the 35kV indoor substation, which is mainly used for power engineering design, are connected by a closed bus. Enclosed busbars are equipped by switchgear manufacturers and are widely used in power plants, substations, industrial and civil power leads. However, the existing closed bus has the following disadvantages: 1. The insulation of the closed bus is reduced for a long time, and the reliability of power supply cannot be guaranteed; 2. The poor heat dissipation conditions increase the consumption of non-ferrous metals; 3. The switch cabinet manufacturer provides a complete closed bus connection. The price is expensive; 4. It is necessar...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02B1/20H02G5/02
CPCH02B1/20H02G5/02H02G5/025
Inventor 高岩李文升赵颖韩颖葛曼倩仇德伦葛艾丽房涛马士超蔡健
Owner STATE GRID SHANDONG ELECTRIC POWER
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