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Analysis of a zero-flux type current sensor

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3 Author(s)
Suzuki, Y. ; Dept. of Electr. & Electron. Eng., Shinshu Univ., Nagano, Japan ; Hirabayashi, A. ; Yamasawa, K.

The operation of a zero-flux type current sensor that uses negative feedback through the magnetic circuit is analyzed. By focusing on the intrinsic current transformer-like operation of the sensor, the principal mechanism of operation is clarified. It is noted that this type of sensor has high-performance characteristics which are not achieved with conventional sensors. Analytical results agree well with experimental ones

Published in:

Magnetics, IEEE Transactions on  (Volume:29 ,  Issue: 6 )