2012•Gao dianya jishuRequires access

Switching Tests of Energized GIS Disconnectors in UHV AC Pilot Demonstration Project

Zhang Jianggong

Abstract

In order to verify the safety of switching of gas insulated switchgear(GIS) disconnectors energized in ultra high voltage(UHV) AC Pilot Demonstration Project,we experimentally investigated switching of all GIS disconnectors energized in Changzhi,Nanyang,and Jingmen substations,and monitored very fast transient overvoltage(VFTO) and transient enclosure voltage(TEV) generated.The tests results show that switching of UHV GIS disconnectors energized is safe,the effect of TEV on secondary equipment should be paid attention to,and damping resistor in disconnector can mitigate VFTO and TEV significantly,The tests provide technical support for the future switching of GIS disconnector energized in UHV substations.

About this research paper

What this paper is about

Why it matters

OpenAlex reports 6 citations for this work. Citation counts describe recorded attention and do not establish research quality.

Key contribution

A contribution statement is not available in the OpenAlex record.

Method / approach

Method details are not available in the OpenAlex metadata.

Main findings

Findings are not separately available in the OpenAlex metadata.

Limitations

Limitations are not available in the OpenAlex metadata.

Applications

Application details are not available in the OpenAlex metadata.

Available abstract

Key concepts: Disconnector, Switchgear, Overvoltage, Transient (computer programming), Engineering, Electrical engineering, Resistor, Circuit breaker