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On-load opened and segmented operating method of 10kV line

A technology with loads and lines, applied in the direction of overhead lines/cable equipment, etc., can solve the problems of affecting the electricity revenue of power supply enterprises, unsuitable requirements of the situation, loss of power supply, etc., to achieve great practical value, easy operation, insulation and isolation measures effect in place

Inactive Publication Date: 2010-11-17
上海市南电力工程有限公司
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  • Description
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AI Technical Summary

Problems solved by technology

However, a lot of power supply is often lost, which affects the electricity fee income of power supply companies.
At present, the society has higher and higher requirements on the reliability of power supply, and power companies are also striving to improve their service image. It is no longer suitable for the requirements of the situation to use power outage maintenance to open sections and increase pole-mounted switches

Method used

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  • On-load opened and segmented operating method of 10kV line
  • On-load opened and segmented operating method of 10kV line
  • On-load opened and segmented operating method of 10kV line

Examples

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Embodiment Construction

[0018] The 10kV line of the present invention has a load-opening segmental operation method, comprising the following steps:

[0019] First, install the three walking-one-going-insulated pulley blocks on the insulating arm of the 26m bucket arm truck respectively. The distance between the three walking-one-going-one insulating pulley blocks is 1m, and then control the bucket arm car to adjust the insulating arm to 2m above the conductor 1. Install a guide insulating pulley set consisting of three insulating pulleys side by side on the metal arm 6m away from the top of the insulating arm, and pass the insulating tail rope 5 of one insulating pulley set through the guide insulating pulley set sequentially. The top of the insulated tail rope is provided with a boom tackle; put an insulating sleeve on the place where the wire is lifted, place the wire in the boom tackle, close the safety, pull down the other end of the insulated tail rope, and slowly pull the wire 1 Lift to a suit...

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Abstract

The invention relates to an on-load opened and segmented operating method of a 10kV line. The method comprises the following steps of: promoting leads, mounting a tension device, changing straight lines into tension lines and lap jointing the leads. The method has clear steps, easy operation, appropriate insulation and isolation measures in the operation process and high safety factor, thereby solving the problem of carrying out opened and segmented operations by powering down in power grid reconstruction and greatly improving the power supply reliability. The method has great practical values on enlarging the live working field and improving the power supply reliability at the present with the distribution line technology advanced and developed day by day.

Description

technical field [0001] The invention relates to a live working method of a power distribution line, in particular to a 10kV line load-disconnecting section working method. Background technique [0002] In order to adapt to the flexibility of the dispatching method and reduce the scope of power outages, it is necessary to add pole-mounted switches to the existing operating lines. But the switch knife on the pole must be installed on the tension bar (section device) of the line, which requires the original linear device to be converted into a section device. [0003] 10kV line opening section generally adopts blackout operation, the method is simple and easy. However, a lot of power supply is often lost, which affects the electricity fee income of power supply companies. At present, the society has higher and higher requirements on the reliability of power supply, and power companies are also striving to improve their service image. It is no longer suitable for the requireme...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02G1/02
Inventor 何忠良何宝龙单文龙顾士刚何国兴苏伟周军顾斌
Owner 上海市南电力工程有限公司
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