三相四线制低压配电系统中零线断线过电压保护
삼상사선제저압배전계통중령선단선과전압보호
The Protection of Exceeded Voltage for the Ground Wire and the Disconnected Wire in Three-phase,Four-wire Lower Supplies and Distribution System
  • 万方数据
    华北水利水电学院学报 화북수이수전학원학보
    JOURNAL OF NORTH CHINA INSTITUTE OF WATER CONSERVANCY AND HYDROELECTRIC POWER
    2004年 1期 33-35 ,共3页

    朱雪凌%王云年%周国安

    주설릉%왕운년%주국안

    零线%断线%过电压保护 零線%斷線%過電壓保護
    령선%단선%과전압보호
    分析了三相四线制低压配电系统中零线不断开和零线断开引起过电压的原因,通过引入过电压保护电路解决了问题,其原理是不论零线是否存在,只要中性点偏移电压超过允许值,过电压保护装置即动作,从而避免事故的发生.
    분석료삼상사선제저압배전계통중령선불단개화령선단개인기과전압적원인,통과인입과전압보호전로해결료문제,기원리시불론령선시부존재,지요중성점편이전압초과윤허치,과전압보호장치즉동작,종이피면사고적발생.
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