Answer / vishwa theja c

Mainly mho relay helps to aviod synchronism problem for alternators .also damper windings,other protection relays like under voltage relay, over current, voltage relay also provides protection scheme

Answer / guest

when the fault is detected by the relay, the circuit breaker
will open

We've 2 diffrent DG's with same capacity (500 KVA). Can we sync them ?

1 Answers  

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How much allowable difference current between on three phases Dear sir, We have a 1870 KW HT motor, 11 Kv supply,FLA-120A,2870 rpm,2-pole squirrel cage induction Motor.And stator is connected in star connection with Liquid resistance stater to limit the starting current.It has coupled with Centrifugal air compressor.My question is it is loading 73% of FLA taking R-phase 86.7 A, Y-phase-85.4A,B-phase- 78.3A.why the B phase current is that much of difference.Is it allowable, or any one tell me how much allowable current.If any method to calculate.

1 Answers  

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In the Variable Voltage Variable Frequency Drive, how the Voltage and Frequency varied ? Is it varied in the Inverter part of the Drive ? Please give us supporting document if any.

0 Answers  

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Why C.T secondary s2 done earthing?

4 Answers  

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why not phase to phase fault occure in raining day in hv sub-station?

1 Answers   Getco,

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How to protect the water pump by no load running.

9 Answers   Cushman Wakefield,

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What is an Antipumping relay ?

4 Answers  

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what is meant by armature reaction?

13 Answers  

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n1 =1000 n2 =?;v1 =200:v2 =400

1 Answers   APGenco,

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what is the pressure of vacuum circuit breaker

2 Answers  

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what is the formulae for selcting capacitor bank to increas pf

3 Answers  

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how does oil cools the transformer

3 Answers   HBL Power Systems,

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