Answer / pratap

Rmu is nothing but ---Ring Main Unit

Answer / vishnu g pillai

A ring main can be defined as an electrical supply serving a series of consumers that returns to the original source, so that each consumer has an alternative path in the event of a failure. It's also an arrangement of pipes forming a closed loop into which water, steam or sewage may be fed and whose points of draw-off are supplied by flow from two directions.

Answer / 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.

Answer / wana

Ring Main Unit is a SF6 insulated compact switchgear.Rated voltage 12/24 KV to 33 KV ( SafeRing/SafePlus). Can supplied with an integral remote control and monitoring unit.

How can claculate to attain the desired PF in the line ( HOW Much KVAR is required ) Pls Give the formula?

2 Answers  

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Why voltages are 11kv 33kv why not others?

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If o/p power is doubled by how much does the sound increase

0 Answers   Flipkart,

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factor to be considered for bus bar design

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what happens when back charging of transformer is done for longer period

1 Answers  

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can we transmit power with out cable if it is possible how it is possible.

2 Answers  

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what is mean by marshalling box in transformer?

8 Answers   Reliance,

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what is real , reactive and apparani power

1 Answers  

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How can we checked Killo Watts of Motor & Alternator?

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what is the acceptable earth resistance value ?

4 Answers  

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why restricted earth fault protection can not operate for phase faults??as there will be a current in secondary of ct,when a phase fault occurs!

1 Answers   GMR,

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earth also having a gravitational force (magnetic field of north and south)but it attracts any object compare to this theartifical magnetic cant perform same as earth why?

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