what is an rmu?its circuit diagram.functions
Answer Posted / khalid mahmood janjua
RING MAIN UNIT IS TO BE USED TWO INCOMMING AND ONE OUT GOING GENERALLY BUT SOME TIMES ONE INCOMMING AND TWO OUT GOINGS MEDIUM VOLTAGE SUPPLIES.IN ENGINEERING DISTRIBUTION THIS IS CALLED FLEXIBLE POWER SUPPLY.NO A DAY SF6 CIRCUIT BREAKERS GOING TO BE USED.THESE ARE MAINTENANCE FREE BREAKERS.REMEMBER THAT SOLID WITH EPOXY RESIN CAST ALSO USED THOSE ARE NOT LATEST BUT ARE COMPATIBLE TO INTERNAL STANDARDS.
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