A Comparative Study of Over-Current Sensing for Traction Inverters

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left"> </td><td class="align_center">Direct detection</td><td class="align_center">Simple circuitry processing</td><td class="align_center">Complex signal processing</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">Magnetic field-based</td><td class="align_center">Yes</td><td class="align_center"> </td><td class="align_center"> </td></tr><tr><td class="align_left">Shunt resistor-based</td><td class="align_center">Yes</td><td class="align_center"> </td><td class="align_center"> </td></tr><tr><td class="align_left">Detection on power semiconductor</td><td class="align_center">Yes</td><td class="align_center"> </td><td class="align_center"> </td></tr><tr><td class="align_left">Detection with gate drive</td><td class="align_center"> </td><td class="align_center">Sometimes feasible</td><td class="align_center">Yes</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Signal processing requirements for the over-current detection methods.</div>

Active and Passive Electronic Components

A Comparative Study of Over-Current Sensing for Traction Inverters

Table 3