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Review Article

A Comparative Study of Over-Current Sensing for Traction Inverters

Table 2

Power supply solutions for the over-current detection methods.

Inverter controller power supplyGate drive power supplyIndependent isolated power supply

Magnetic field-basedSuitableFeasibleFeasible
Shunt resistor-basedFeasibleSuitable
Detection on power semiconductorSuitable
Detection with gate driveSuitable

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