供用电
供用電
공용전
Distribution & Utilization
2015年
10期
57-61
,共5页
花盛%黄国栋%张曦%屠旻
花盛%黃國棟%張晞%屠旻
화성%황국동%장희%도민
直流系统%故障分析%典型设计%蓄电池%内阻%在线监测
直流繫統%故障分析%典型設計%蓄電池%內阻%在線鑑測
직류계통%고장분석%전형설계%축전지%내조%재선감측
DC system%faults analysis%typical design%battery%internal resistance%online monitoring
确保变电站直流系统充电模块和蓄电池组持续可靠输出是变电站安全稳定运行的一个重要环节,文章对110kV变电站直流系统接线方式典型设计进行了分析,并结合近期的一起主变压器失电后引起全站直流系统失电的故障展开深入论证,提出了直流系统典型设计在变电站实际应用中存在的薄弱环节、蓄电池常规监测手段的局限性以及相关改进建议。
確保變電站直流繫統充電模塊和蓄電池組持續可靠輸齣是變電站安全穩定運行的一箇重要環節,文章對110kV變電站直流繫統接線方式典型設計進行瞭分析,併結閤近期的一起主變壓器失電後引起全站直流繫統失電的故障展開深入論證,提齣瞭直流繫統典型設計在變電站實際應用中存在的薄弱環節、蓄電池常規鑑測手段的跼限性以及相關改進建議。
학보변전참직류계통충전모괴화축전지조지속가고수출시변전참안전은정운행적일개중요배절,문장대110kV변전참직류계통접선방식전형설계진행료분석,병결합근기적일기주변압기실전후인기전참직류계통실전적고장전개심입론증,제출료직류계통전형설계재변전참실제응용중존재적박약배절、축전지상규감측수단적국한성이급상관개진건의。
Ensuring the continuous and reliable running of charging module and the battery is an important link of safe and stable operation of the substation.The typical design of DC system connection mode of 110 kV substation is analyzed.A recent whole system power loss event caused by main transformer power supply loss is discussed deeply.The weak links of existing typical design of the dc system in practical application,the limitation conventional monitoring method for battery and related suggestions for improvement are proposed.