直流互感器高频特性测试方案设计及验证  

Design and verification of high frequency characteristics of DC transformer

作　　者：陈更 许才 张志艳 高燕宁 金艳楠 CHEN Geng;XU Cai;ZHANG Zhiyan;GAO Yanning;JIN Yannan(Electric Power Research Institute,State Grid Inner Mongolia East Electric Power Co.,Ltd.,Hohhot 010010,China;Inner Mongolia Open University,Hohhot 010010,China)

机构地区：[1]国网内蒙古东部电力有限公司电力科学研究院,内蒙古呼和浩特010010 [2]内蒙古开放大学,内蒙古呼和浩特010010

出　　处：《中国高新科技》2025年第3期66-67,76,共3页

摘　　要：ECT的高频特性直接影响电力系统在快速变化的电流条件下的稳定性和响应能力。文章旨在设计并验证一套针对直流电子式电流互感器的高频特性测试方案。实验部分涵盖了从低频到高频范围内的广泛频率响应测试,使用精确控制的测试信号来评估互感器在不同频率下的性能表现。测试结果显示,所设计的测试方案能够有效评估互感器在指定频率范围内的性能,互感器显示出优秀的响应稳定性和精度。同时,数据分析揭示了互感器在超出常规测试频率时的性能限制,为未来的设计改进提供了宝贵的数据支持。The high frequency characteristics of ECT directly affect the stability and responsiveness of the power system under rapidly changing current conditions.This paper aims to design and verify a high frequency characteristic test scheme for DC sub-current transformers.The experimental section covers a wide range of frequency response tests from low frequency to high frequency,using accurately controlled test signals to evaluate the performance of transformers at different frequencies.The test results showed that the designed test scheme could effectively evaluate the performance of the transformer within the specified frequency range,and the transformer showed excellent response stability and accuracy.Meanwhile,the data analysis reveals the performance limit of the transformer beyond the conventional test frequency,providing valuable data support for future design improvements.

关 键 词：直流互感器 高频特性 测试 

分 类 号：TM452[电气工程—电器]