牵引变电所馈线保护装置拒动事件分析
견인변전소궤선보호장치거동사건분석
Analysis of Failure to Operation of Feeder Protection Device in Traction Substation
  • 万方数据
    电气化铁道 전기화철도
    ELECTRIC RAILWAY
    2012年 5期 15-16,20 ,共3页

    孙金华%陈敬锋

    손금화%진경봉

    牵引变电所%馈线保护%拒动 牽引變電所%饋線保護%拒動
    견인변전소%궤선보호%거동
    traction substation%feeder protection%refuse operation
    对牵引变电所一次因馈线保护装置拒动导致的主变压器后备保护越级跳闸事件做了全面分析,给出了馈线过电流、高阻I段、阻抗保护装置均未动作的原因,提出了运行改进措施。
    대견인변전소일차인궤선보호장치거동도치적주변압기후비보호월급도갑사건주료전면분석,급출료궤선과전류、고조I단、조항보호장치균미동작적원인,제출료운행개진조시。
    The paper analyses a leapfrog tripping event of main transformer backup protection for the feeder protection refusing operation in the traction substation.The paper points out the reasons of the feeder refusing operation of Over-current protection,High-impedance segment I protection and impedance protection,and puts forward the appropriate countermeasures.
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