Answer / chintu

RING MAIN UNIT.

Used on HT side, when two or more incoming feeders and one out going feeder.
OR
one incoming feeder and two or more out going feeders.

Answer / thran

RMU- Ring main unit... this one is switching devices...

Definition of grid?

7 Answers   L&T, Pace Power Systems, Vijai Electricals,

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Is there any design in the world a 220 KV transformer without breather …??????

2 Answers  

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What is cogging and crawling phenomenon in motor.

2 Answers   DAE,

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how can we choose the size of road crossing pipe for power cables

2 Answers   DLF,

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In a 3 phase,400v,4 wire system, 2 incandescent lamps, one having 230v,100w and the other 230v,200w are connected between r phase- neutral and y phase-neutral respectively. If neutral wire breaks which lamp will fuse first and why?

3 Answers   Eskom, SSC,

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At what speed 1 HP motor can run an electric car of weighing 400 kg?

0 Answers  

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explain with diagram how to protect transformers and substations from over current with help of CT's?

0 Answers   BARC,

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draw singleline diagram of star to delta and dol starters

0 Answers   JCP,

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hi,every one, i have to write the search paper on "performance policy optimization" of NGN (next generation networks). i need the material on this topic. can any body help me. please tell me any useful site where the good material is available and name of any reference book. it should be a great help for me.

0 Answers  

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why firewall is build up between two transformer (220/11kv,50MVA)?what should be the firewall height?what is the clearance between firewall and transformer?

2 Answers   Siemens, Tous Stadt,

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May I know how much values to be set for earth fault, over current and short circuit values at 11kv side? I have 11kv van 1250amps rating. Present it's taking load 80amps?

0 Answers  

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what types of load we get from the national grid? is this capacitive or inductive?

1 Answers  

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