水电与新能源
水電與新能源
수전여신능원
HYDROPOWER AND NEW ENERGY
2013年
5期
16-18
,共3页
行波%配电线路%接地选线%故障测距
行波%配電線路%接地選線%故障測距
행파%배전선로%접지선선%고장측거
traveling wave%distribution line%grounding line selection%fault location
针对配电网接地故障运行工况较为复杂，故障选线可靠性和故障测距的准确性，直接影响到配电网运行的安全性问题，结合行波接地故障选线及测距原理，研究了基于行波法的配电线路故障选线及测距技术。将该技术应用到河南油田下二门变电站中，测试结果表明：该故障选线定位测距方法能够准确求出配电网接地故障段的故障参数，并能对故障进行精确定位测距，提高了配电网故障选线排除效率和测距定位的精确性。
針對配電網接地故障運行工況較為複雜，故障選線可靠性和故障測距的準確性，直接影響到配電網運行的安全性問題，結閤行波接地故障選線及測距原理，研究瞭基于行波法的配電線路故障選線及測距技術。將該技術應用到河南油田下二門變電站中，測試結果錶明：該故障選線定位測距方法能夠準確求齣配電網接地故障段的故障參數，併能對故障進行精確定位測距，提高瞭配電網故障選線排除效率和測距定位的精確性。
침대배전망접지고장운행공황교위복잡，고장선선가고성화고장측거적준학성，직접영향도배전망운행적안전성문제，결합행파접지고장선선급측거원리，연구료기우행파법적배전선로고장선선급측거기술。장해기술응용도하남유전하이문변전참중，측시결과표명：해고장선선정위측거방법능구준학구출배전망접지고장단적고장삼수，병능대고장진행정학정위측거，제고료배전망고장선선배제효솔화측거정위적정학성。
Due to the complexity of grounding fault situation of distribution network , the reliability of fault line selection and accuracy of fault location directly affects the power supply safety .Combining with the traveling wave principle of fault line selection and fault location , the grounding fault detection technology of distribution line based on the traveling wave method has been researched .The techniques has been applied in Xia'ermen station in Henan oil field and results has shown that this distribution circuit grounding fault detection system can accurately calculate the fault parameters , which can improve the fault line selection removal efficiency and the fault location accuracy .
