Operating method of 35kV-overhead-line insulating-glove-method electrified disconnection and connection of zero-load-line lead wire

Abstract

The invention relates to an operating method of 35kV-overhead-line insulating-glove-method electrified disconnection and connection of a zero-load-line lead wire. Through an operating method of using an insulating aerial lift truck to carry out electrified disconnection and connection of the lead wire on a zero-load line, the method is cooperatively implemented by three kinds of work personnel: a work leader, bucket electricians and ground electricians. The method mainly includes steps of stop of line reclosing, on-site work instrument detection, insulating shielding and isolating measure taking, work instrument installation, electrified disconnection (connection) of the zero-load-line lead wire, termination of the insulating shielding and isolating measures, evacuation of the work personnel from the site and line reclosing restoring and the like. The beneficial effects of the operating method are that defects of an insulating platform operating method can be compensated, efficient and rapid operation of electrified connection and disconnection of a 35kV zero-load line can be realized, comparatively great economic benefit and social benefit can be generated, the work efficiency of a maintenance work and the safety benefit of the work personnel can be effectively improved and domestic blanks in the field can be filled effectively.

Description

technical field [0001] The invention relates to the technical field of live overhaul operation of 35kV overhead lines, in particular to an operation method for live disconnection and connection of lead wires of no-load lines by using insulating gloves on 35kV overhead lines. Background technique [0002] With the rapid development of the national economy, the society has put forward higher requirements for the reliability and quality of power supply of power supply enterprises. 35kV overhead lines are an important part of my country's power network. Because of their advantages such as low construction cost, short construction period and large power supply radius, they are widely used in some areas of our country with large loads and large power supply radius. However, because the 35kV overhead line has problems such as many equipment, low insulation level, and directly facing users, it is prone to failure under the influence of atmospheric overvoltage, pollution or other ex...

AI Technical Summary

Problems solved by technology

However, because the 35kV overhead line has problems such as many equipment, low insulation level, and directly facing users, it is prone to failure under the influence of atmospheric overvoltage, pollution or other external factors, and because some power supply facilities are old and aging, and the equipment integrity rate is low. increase the risk of accidents

At present, the equipotential operation or ground potential operation method commonly used in transmission lines is generally used in the maintenance work of 35kV overhead lines, but the labor intensity of the ground potential operation is relatively high, and the work efficiency is low. Relatively small but poses serious safety hazards to the personal safety of operators

There is an existing operation method that uses an insulating platform to implement live disconnection of 35kV overhead lines and connect lead wires of no-load lines, but this method has many shortcomings, such as not being able to adapt to the needs of different types of poles and towers such as electric poles and iron towers, and cannot be used universally ;The range of activities of the staff on the insulating platform is small, which is prone to safety risks. During the operation, the insulating platform needs to be installed in advance and removed afterwards, which consumes a lot of manpower and material resources, takes a long time, has high labor intensity, and low labor efficiency