平行线路感应电压电流近似计算方法  

An Approximate Calculation Method of Induced Voltage and Current in Parallel Lines

作　　者：王乐之 张琳 李云阁 王源 刘青[1] 邓军波[5] WANG Lezhi;ZHANG Lin;LI Yunge;WANG Yuan;LIU Qing;DENG Junbo(School of Electrical and Control Engineering,Xi’an University of Science and Technology,Xi’an 710699,Shaanxi,China;Technological and Economic Research Institute of State Grid Shaanxi Electric Power Co.,Ltd.,Xi’an 710075,Shaanxi,China;Electric Power Science Research Institute of State Grid Shaanxi Electric Power Co.,Ltd.,Xi’an 710199,Shaanxi,China;Weinan Power Supply Company,State Grid Shaanxi Electric Power Co.,Ltd.,Weinan 714099,Shaanxi,China;School of Electrical Engineering,Xi’an Jiaotong University,Xi’an 710049,Shaanxi,China)

机构地区：[1]西安科技大学电气与控制工程学院,陕西西安710699 [2]国网陕西省电力有限公司经济技术研究院,陕西西安710075 [3]国网陕西省电力有限公司电力科学研究院,陕西西安710199 [4]国网陕西省电力有限公司渭南供电公司,陕西渭南714099 [5]西安交通大学电气工程学院,陕西西安710049

出　　处：《电网与清洁能源》2023年第11期50-58,共9页Power System and Clean Energy

基　　金：国家自然科学基金项目(52077167)。

摘　　要：针对目前常用的平行线路感应电压、电流近似理论存在计算方法考虑因素不全、结果不准确等问题,基于叠加原理,提出一种新的精确计算方法,分别计算感应电压、电流,并提出一种便于工程应用的近似计算方法。使用这2种方法对某330 kV同塔双回线路感应电压、电流进行计算,结果表明:线路电阻对感应电流的影响不可忽略;近似计算方法能够满足工程需要。As the approximate theoretical calculation method of the induced voltage and current for parallel lines commonly used as present fails to consider complete factors in its calculation and often leads to inaccurate results,this paper proposes a new accurate calculation method based on the superposition principle to calculate the induced voltage and current respectively.In addition,an approximate calculation method convenient for engineering application is proposed.These two methods are used to calculate the induced voltage and current of a 330 kV double-circuit line on the same tower.The results show that the approximate calculation method can meet the engineering needs.Further research shows that the influence of the line resistance on the induced current can not be ignored.

关 键 词：同塔双回线路 感应电压 感应电流 叠加原理 

分 类 号：TM711[电气工程—电力系统及自动化]