CURRENT MEASUREMENT BY 2 SHUNT RESISTORS
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2019-02-04 11:14 PM
Hi All,
Having some doubts regarding the current sense.
When using dual shunt current sensing technique, we have 2 current sense resistor at the Phase A and Phase B inverter legs.The 3rd phase current can be calculated in code.
But ,my concern is regarding over current protection.Do we need additional current sense resistor for measuring IDC?
Or is it enough 2 phase currents for external overcurrent detection circuit .
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Motor Control Hardware
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