Answer / tharan

power frequency incresing voltage r step up.. power frequency
decreasing voltage r step down..

Answer / omwikha

Voltage=4.44fN(phi). Where f= frequency
Thus increasing frequency automatically will increase the voltage and vice versa.

Why the transformers are rated in kva?

11 Answers   Birla, NTPC, Reddy Labs, Vijai Electricals,

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two TG running in parallel at equal load.one TG CB tripped in reverse power relay.after tripping found its excitation was on & turbine running at rated speed.Please clearify why that TG tripped in reverse power ?

1 Answers   Bhel, Birla,

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how to calculate relay rating for 50kw load

1 Answers   JNU,

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Can anybody just suggest about the scope of Electrical design with ETAP software?Just guide me?

0 Answers  

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its Kva and Kv are same?

3 Answers  

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Auto transformer starter gives the same effect as star/delta strater if its turn ratio = A 0.5 B 0.67 C o.66 D 0.577

1 Answers  

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what are the problems faiced at dg comissiong

0 Answers   Aster Teleservices,

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can you show me the components inside a air circuit breaker with connection diagram?

1 Answers  

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How to calculate the sag of OPGW during stringing???

0 Answers  

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how to test a motor from megger

5 Answers   JSW,

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what is Different between Bilinear and Unilenier?

0 Answers   ABB,

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What is effect of power factor on change in voltage

13 Answers   APNPDCL, apspdcl, My Home Industries,

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