电气技术  2022, Vol. 23 Issue (4): 55-62    DOI:
研究与开发 |
剩余电流互感器传变特性研究与优化设计
曾晔1, 李春来2, 兰雄3
1.广东白云学院电气与信息工程学院,广州 510000;
2.河源职业技术学院电子与信息工程学院,广东 河源 517000;
3.广东雅达电子股份有限公司,广东 河源 517000
Analysis and optimization design of transmission characteristics of residual current transformer
ZENG Ye1, LI Chunlai2, LAN Xiong3
1. Faculty of Electronic Information Engineering, Guangdong Baiyun University, Guangzhou 510000;
2. College of Electronic and Information Engineering, Heyuan Polytechnic, Heyuan, Guangdong 517000;
3. Guangdong Yada Electronics Co., Ltd, Heyuan, Guangdong 517000
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摘要 通过分析剩余电流互感器的工作原理可知,比值差与相位差是产生误差的主要因素。通过公式解析,得出误差对灵敏度和平衡性的传变特性产生影响。考虑产品设计中器件参数值的影响,进一步通过实验对剩余电流互感器的物理特性进行优化,验证原理分析的结论,确定在不同条件下剩余电流互感器灵敏度和平衡性的传变特性。实验结果表明优化设计的合理性并据此设计了一个精度高达0.5级的剩余电流互感器。
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曾晔
李春来
兰雄
关键词 ： 剩余电流互感器,  传变特性,  灵敏度,  超微晶铁心,  平衡性    
Abstract：According to the working principle of residual current transformer, phase displacement and ratio error are the main factors causing error. The influence of error on the transmission characteristics of sensitivity and balance is obtained through formula analysis. Considering the influence of device parameter values in product design, the physical characteristics of residual current transformer is further optimized through experiments to verify the conclusion of principle analysis and determine the transmission characteristics of sensitivity and balance of residual current transformer under different conditions. The experimental results show that the optimization is reasonable, and a residual current transformer with high precision up to 0.5 level is designed.
Key words： residual current transformer    transmission characteristics    sensitivity    nanocrystalline iron core    balance characteristic   
收稿日期: 2021-12-03     
作者简介: 曾 晔（1995—）,男,广东省河源市人,硕士,主要从事与电气工程及其自动化专业相关的教学工作。
引用本文:   
曾晔, 李春来, 兰雄. 剩余电流互感器传变特性研究与优化设计[J]. 电气技术, 2022, 23(4): 55-62. ZENG Ye, LI Chunlai, LAN Xiong. Analysis and optimization design of transmission characteristics of residual current transformer. Electrical Engineering, 2022, 23(4): 55-62.
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