Why is the earth fault relay connected to the Yellow Phase?

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how we check vector group dyn7

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In what cases (circumstances)we should apply P controller, PD controller, PI controller & PID controller ?

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IN induction motor pf is increased using capacitors.what will be the effect on motor and system when very large capacitor is accidently installed and pf goes leading.

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how we can explain arc heatng?

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What does ampere turns shows?

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what happens when one of the phases out 0f 3 phases been removed under working condition and no load condition will the machine run if so plz send me why

2 Answers  

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We are using Powerica make 100 KVA DG set. Whenever i connect compressor on DG load (Compressor Make Atlas Copco 5.5 kva) that time we face the lot of fluctuation on Dg output. Can you please suggest me how can prevent this fluctuation?

6 Answers  

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salam,hi, i need to know what the spesification of 300amp msb...

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Block diagram of Power line communication?

0 Answers   CIL, VIP,

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AIR GAP IS TERMED AS USEFUL. WHY?

5 Answers  

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how to calculate earth resistat in earthpit with earth testing kit?

2 Answers  

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