高压电器2011，Vol.47Issue(5)：65-69,5.
252kV三极机械联动自能式SF6断路器空载特性分析与计算
Non-load Characteristic Analysis of 252 kV Mechanical Self-energized Three-pole-gang-operation SF6 Circuit Breaker
曹云龙1
作者信息
- 1. 河南平高电气股份有限公司,平顶山,467001
- 折叠
摘要
Abstract
A kind of mechanical three-pole-gang-operation SF6 circuit breaker with hydraulic mechanism was developed based on present 252 kV self-energized single-pole-operation SF6 circuit breaker with spring mechanism, and a suitable hydraulic mechanism and its transmission structure were selected through calculation to make it match with the no-load charactefistc of single-pole-operation circuit breaker for simplifying the test.The emphases were given to the equations for calculating the related physical quantities in opening process of the circuit breaker, and the programming and computation of no-load characteristic of the three-pole-gang-operation circuit breaker based on the equations. The characteristic curves of several different hydraulic mechanisms were calculated and compared with the referenced mechanical characteristic curves. It is shown that the calculated results for selecting the hydraulic mechanism and its transmission structure meet the requirement of simplifying the test. This study may facilitate the product design.关键词
三极机械联动/机械特性/液压操动机构/活塞杆/分闸速度Key words
mechanical three-pole-gang-operation/ mechanical characteristics/ hydraulic mechanism/piston rod/ opening speed分类
信息技术与安全科学引用本文复制引用
曹云龙..252kV三极机械联动自能式SF6断路器空载特性分析与计算[J].高压电器,2011,47(5):65-69,5.
