High-Performance Planar Isolated Current Sensor for Power Electronics Applications

  title={High-Performance Planar Isolated Current Sensor for Power Electronics Applications},
  author={Luca Dalessandro and Nicolas Karrer and J. W. Kolar},
  journal={IEEE Transactions on Power Electronics},
A planar current sensor, comprised of a magnetic current transformer and a hall-effect element, is presented. The sensor has a broad frequency bandwidth from dc up to 30 MHz, a high current rating (40-A dc), superior linearity, high EMI immunity, small size, robustness, and low realization cost. The main design formulations are given analytically; simulations and finite-element results are presented for verification. Experimental results of current step response and dv/dt immunity are included. 
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