The temperature variation has certain influence on the measurement accuracy of the coil type electronic current transformer and the traditional current transformer.In this paper,the corresponding relationship between the ambient temperature change and the output measurement accuracy of the current transformer is given by theoretical research.The metering characteristics of quantitative comparison test system of electronic transformer and traditional current transformer is utilized to test the real-time measurement accuracy between the electronic current transformer temperature compensation before and after and the traditional current transformer at different temperatures through the full temperature cycle test.The correctness and effectiveness of the analysis result are verified through the test results.%温度变化对线圈类电子式电流互感器及传统电流互感器的计量准确度均有一定的影响,本文通过理论研究给出环境温度变化对电流互感器输出计量准确度的对应关系,并利用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系统,通过全温度循环试验,实时测量电子式电流互感器温度补偿前后与传统电流互感器在不同温度下的计量准确度,并通过试验测试,验证了本文分析结果的正确性和有效性.
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