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Motor Protection Numerical Relay


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  • 1 month later...



I dont see any difference b/w LT and HT motor protection. I think same relay can be used


following to be considered



a) If u use the low imp. scheme for earth fault then u may have to recalculate the stabilizing resistor value


B) Revision of the protection settings as per HT motor char. , fault currents at the bus


c) CT PT ration as per the new set up



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