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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 / kj
Usually a RMU is used to allow a feed of supply from 2
directions and tapping of to a transformer, etc.
Each of these supplies may have a number of RMU's in series
forming a ring. If a section of the feeder needs to be
isolated due to work or failure an RMU on each end of this
section can be opened without stopping any supply.
| Is This Answer Correct ? | 28 Yes | 4 No |
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