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what is an rmu?its circuit diagram.functions
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Answer Posted / satish
Ring main unit is to be used in CSS(11kva or 33kva) or PSS. it consists of three circuit breakers either it is vcb or depends upon design.it has a three ways one is for incoming remain two for outgoing.in this the connection of incoming and outgoing based upon the CT ratio.for selecting of CT'S is depends upon knee point voltage.
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