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Why do we need ring main unit (RMU). what is its purpose and its advantages . what is the operating function of rmu
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Answer Posted / sanjeev kumat
need of RMU is to provide the uninteruptted power supply .
purpose of rmu is to make a ring of power supply network so that supply can be feed from 2nd source on failure of 1st source of power supply .
operating function of RMU (RING MAIN UNIT ) switchgear are closing , opening and to do earth to the ckt. .the funtion of rmu are very easily to operate . it consist mechanically interlocking and sealed tank containing sf6 gas . and provide very good factor of safety .
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