| Rogowski线圈在高压变频器共模电流测量中的应用 |
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| 引用本文： | 朱俊杰,乔鸣忠,张晓锋,沈浙.Rogowski线圈在高压变频器共模电流测量中的应用[J].电力系统及其自动化学报,2010,22(4). |
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| 作者姓名： | 朱俊杰 乔鸣忠 张晓锋 沈浙 |
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| 作者单位： | 海军工程大学电气与信息工程学院,武汉,430033 |
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| 基金项目： | 国家自然科学基金委员会创新研究群体科学基金 |
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| 摘 要： | 针对霍尔电流传感器与传统电流互感器检测共模电流存在缺陷情况,提出一种新型的基于Rogowski线圈测量共模电流的方法。以五相H桥型三电平逆变系统共模通路为例,仿真得到共模电流属于高频脉冲电流。建立Rogowski线圈传感头等效回路模型,理论上验证了测量方法的可行性。对电机端单线圈、滤波器端双线圈、滤波器端单线圈三种共模电流测量方案进行比较分析,仿真和实验结果证明了滤波器端单线圈方案的可行性和正确性。
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| 关 键 词： | 共模电流 Rogowski线圈 五相H桥型三电平逆变系统 可靠性 |
Applications of Rogowski Coil in Common-mode Current Measurement of High Voltage Inverter |
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| ZHU Jun-jie,QIAO Ming-zhong,ZHANG Xiao-feng,SHEN Zhe.Applications of Rogowski Coil in Common-mode Current Measurement of High Voltage Inverter[J].Proceedings of the CSU-EPSA,2010,22(4). |
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| Authors: | ZHU Jun-jie QIAO Ming-zhong ZHANG Xiao-feng SHEN Zhe |
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| Affiliation: | ZHU Jun-jie,QIAO Ming-zhong,ZHANG Xiao-feng,SHEN Zhe(College of Electric and Information Engineering,Naval University ofEngineering,Wuhan 430033,China) |
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| Abstract: | In view of defect condition for Holl current transducer and traditional current transformer in measuring common-mode current,a novel method of measuring common-mode current based on Rogowski coil is proposed in this paper.Take the common-mode circuit of five-phase H-bridge three-level inverter as an example,simulation indicates common-mode current belongs to a typical pulse current with high frequency.The model of its equivalent circuit is built and the feasibility of measurement method is validated in theo... |
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| Keywords: | common-mode current Rogowski coil five-phase H-bridge three-level inverter system feasibility |
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