Answer / muralik.255

Frequency is constant in transformer

Answer / mn krishnamurthy

No

Answer / anket

In Normal transformers we cant change frequency

But if you need to change frequency you need a special purpose transformer i.e (VFT = variable frequency transformer

why rating of motor in HP ?

2 Answers  

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how does WTI work ?

0 Answers  

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Which is remain unchanged in transformer action?

6 Answers   NTPC,

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What happen if we apply square wave or traiangular waveform voltage to the transformer primary winding instead of sinusoidal wave?

0 Answers  

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what will happen if dc machine are supplied by ac source??

2 Answers  

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Name of Hydrocarbon gases.

1 Answers  

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why onlyseries motors are used as universal motors? why not shunt?

4 Answers   TCS,

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In power plants the reading changes abruptly to give value (MW -25) (MVAR -15) What are the reasons for this? What is the solution?

2 Answers   GE,

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how we can find of current direction(supply comming/out going direction) when a transmission line passing through sides.

0 Answers   ONGC,

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I know current,volt,powerfactor of an electrical line. In this line how I will calculate Active power and Reactive power

2 Answers  

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what is load despatching

0 Answers   NTPC,

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hi frnds.....anyone get any reply from HPCL. I HAVN'T.....B,COS written will b on FEB 17 th.

1 Answers   HPCL,

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