| 750kV同塔双回输电线路下电场效应影响因素分析 |
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| 引用本文： | 刘威峰,丁培,伍弘,马飞越,倪辉,闫振华,田禄.750kV同塔双回输电线路下电场效应影响因素分析[J].防灾减灾工程学报,2018(6):6-11. |
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| 作者姓名： | 刘威峰 丁培 伍弘 马飞越 倪辉 闫振华 田禄 |
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| 作者单位： | 国网宁夏电力有限公司电力科学研究院,宁夏银川 750011 |
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| 摘 要： | 750 kV同塔双回输电线路下方农田、葡萄田经常发生“电击”现象。通过电场仿真计算、现场实测工频电场强度、工频磁场强度,研究分析750 kV同塔双回输电线路下方地面1.5 m高处电场强度、工频磁场强度的分布及影响因素。电场仿真计算与现场实测电场效应的分布及影响因素基本一致。通过研究输电线路下方电场效应影响因素,为电场效应的抑制措施提供参考。
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| 关 键 词： | 输电线路 电场效应 电场强度 电场分布 |
Analysis on influencing factors of electric field effect for 750 kVdouble - circuit transmission lines on the same tower |
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| LIU Weifeng,DING Pei,WU Hong,MA Feiyue,NI Hui,YAN Zhenhu,TIAN Lu.Analysis on influencing factors of electric field effect for 750 kVdouble - circuit transmission lines on the same tower[J].Journal of Disaster Prevent and Mitigation Eng,2018(6):6-11. |
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| Authors: | LIU Weifeng DING Pei WU Hong MA Feiyue NI Hui YAN Zhenhu TIAN Lu |
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| Institution: | Power Research Institute of State Grid Ningxia Electric Power Co , Ltd , Yinchuan Ningxia 750011 , China |
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| Abstract: | Electrical shock often occurs in farmland and grape fields below 750 kV double-circuittransmissionlines. Through electric field simulation calculation, on-site measured power frequencyelectric field intensity and power frequency magnetic field strength, the influencing factors of electricfield intensity distribution and power frequency magnetic field strength of 1. 5 m high ground below750 kV double-circuit transmission line on the same tower are studied and analyzed. After electricfield simulation calculation and field measurement, the distribution of electric field effect and theinfluencing factors of electric field effect are basically the same. The research provides a reference forthe suppression of the electric field effect under the transmission line. |
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