A Comparative Study of Over-Current Sensing for Traction Inverters

<table class="table-group" id="tab2"><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">Inverter controller power supply</td><td class="align_center">Gate drive power supply</td><td class="align_center">Independent isolated power supply</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">Suitable</td><td class="align_center">Feasible</td><td class="align_center">Feasible</td></tr><tr><td class="align_left">Shunt resistor-based</td><td class="align_center"> </td><td class="align_center">Feasible</td><td class="align_center">Suitable</td></tr><tr><td class="align_left">Detection on power semiconductor</td><td class="align_center"> </td><td class="align_center">Suitable</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">Suitable</td><td class="align_center"> </td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Power supply solutions for the over-current detection methods.</div>

Active and Passive Electronic Components

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Table 2

Table 2: A Comparative Study of Over-Current Sensing for Traction Inverters 