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唐志涛,卓浩泽,李金瑾,韦杏秋,龙东.强磁场对电子式互感器与传统式互感器计量性能的影响[J].电源学报,2019,17(5):146-152
强磁场对电子式互感器与传统式互感器计量性能的影响
Effect of Strong Magnetic Field on Metering Performance of Electronic and Traditional Transformers
投稿时间:2017-06-05  修订日期:2019-02-01
DOI:10.13234/j.issn.2095-2805.2019.5.146
中文关键词:  强磁场  电子式互感器  传统式互感器  计量性能
英文关键词:strong magnetic field  electronic transformer  traditional transformer  metering performance
基金项目:广西电网有限责任公司科技资助项目(GXKJXM20151015)
作者单位E-mail
唐志涛 广西电网有限责任公司电力科学研究院, 南宁 530023 tang_zt.sy@gx.csg.cn 
卓浩泽 广西电网有限责任公司电力科学研究院, 南宁 530023  
李金瑾 广西电网有限责任公司电力科学研究院, 南宁 530023  
韦杏秋 广西电网有限责任公司电力科学研究院, 南宁 530023  
龙东 广西电网有限责任公司电力科学研究院, 南宁 530023  
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中文摘要:
      磁场环境变化对线圈类电子式互感器及传统互感器的计量准确度均有一定的影响。通过理论分析研究不同电磁干扰下,磁场的平行分量、垂直分量对互感器输出计量准确度的影响,利用所研制的电子式互感器与传统互感器计量特性定量对比测试平台,分析其在电量累计过程中的差异,并在50 A/m、1 000 A/m电磁干扰下实时测量电子式电流、电压互感器比值差、角度差。试验结果表明,电子式互感器和传统式互感器计量性能基本不受强磁场的干扰。
英文摘要:
      The variation of magnetic field has certain influence on the metering accuracy of both the coil-type electronic transformer and the traditional transformer. In this paper, through theoretical analysis, the influences of parallel and vertical components on the metering accuracy of transformer output were studied under different electromagnetic interferences. Based on the developed quantitative contrast test platform, which was used to measure the metering characteristics of the electronic and traditional transformers, the difference in the accumulated electrical energy was analyzed. In addition, under the electromagnetic interferences of 50 and 1 000 A/m, the ratio and angle differences of the electronic current and electronic voltage transformers were measured in real time. Experimental results show that the metering performances of the electronic and traditional transformers were basically not affected by the strong magnetic field.
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