TY - GEN
T1 - Research on a novel current transducer based on discrete Rogowski coils
AU - Sun, Chao
AU - Yan, Jing
AU - Geng, Yingsan
AU - Zhang, Kun
AU - Xu, Mengyuan
AU - Liu, Jianfeng
N1 - Publisher Copyright:
© 2016 IEEE.
PY - 2016/11/28
Y1 - 2016/11/28
N2 - Current sensing technology is regarded as the foundation of condition monitoring and diagnosis for power equipment. In this paper, a novel current transducer based on discrete Rogowski coils with the advantages of high precision, miniature and mass production has been researched in detail. For structural features of discrete Rogowski coils, the mutual inductance between the measured conductor and the coils has been deduced by magnetic vector potential method, and the correctness of this method has been verified by finite element method. Then, the influences of section parameters, incline and eccentricity to measurement accuracy of discrete Rogowski coil have been analyzed by Matlab software, which provides a reference for engineering application. Finally, the tests of discrete Rogowski coil have been carried out. According to the test results, the current transducer based on discrete Rogowski coils has a linear sensitivity and can be consistent with the result of magnetic vector potential method. Through interference test, the influence to measurement produced by the external current-carrying conductor has been investigated and compared with the analytical results.
AB - Current sensing technology is regarded as the foundation of condition monitoring and diagnosis for power equipment. In this paper, a novel current transducer based on discrete Rogowski coils with the advantages of high precision, miniature and mass production has been researched in detail. For structural features of discrete Rogowski coils, the mutual inductance between the measured conductor and the coils has been deduced by magnetic vector potential method, and the correctness of this method has been verified by finite element method. Then, the influences of section parameters, incline and eccentricity to measurement accuracy of discrete Rogowski coil have been analyzed by Matlab software, which provides a reference for engineering application. Finally, the tests of discrete Rogowski coil have been carried out. According to the test results, the current transducer based on discrete Rogowski coils has a linear sensitivity and can be consistent with the result of magnetic vector potential method. Through interference test, the influence to measurement produced by the external current-carrying conductor has been investigated and compared with the analytical results.
KW - Current transducer
KW - Discrete Rogowski Coils
KW - Magnetic vector potential
KW - Mutual inductance
UR - https://www.scopus.com/pages/publications/85007188894
U2 - 10.1109/CMD.2016.7757947
DO - 10.1109/CMD.2016.7757947
M3 - 会议稿件
AN - SCOPUS:85007188894
T3 - CMD 2016 - International Conference on Condition Monitoring and Diagnosis
SP - 798
EP - 801
BT - CMD 2016 - International Conference on Condition Monitoring and Diagnosis
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 2016 International Conference on Condition Monitoring and Diagnosis, CMD 2016
Y2 - 25 September 2016 through 28 September 2016
ER -