Answer / doli tomar

if alternator is designed greater than 0.8 pf lag,
alternator will be over-excited & damage

Answer / k.prakashchandra

That is the limit at full load

Answer / k.prakashchandra

To choose the conductor size ,The pf is also to be
considered as it can not designed for unity pf .At present,
the generators are designed for 0.85 pf

ac and dc motor advandtage,disadvantage,aplication

2 Answers   Apollo,

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When induction motor is started,we see all other electrial appliances connected on the same supply are dimmed out for some moment why?

4 Answers  

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How many earthings are required for commissioning the Transformer?

14 Answers   Dalmia Group, HSL,

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the input mechanical power of a single alternator is increased,its RPM increased but in case of an alternator synchronised with grid its RPM does not increased with increase of input mechanical power. why?

3 Answers   Bhel,

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Can Induction motor run at over rated speed? ( 15oo rpm is rated speed for 50HZ. is it possible to ride 3000 RPM with same motor with the help of VVVFD for continues ride of 100HZ)

3 Answers   Equate,

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what will happen if there is a voltage leakage or current leakage in an electrical train

0 Answers  

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what is sinwave ups

1 Answers   Exide,

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How can two 3 phase transformers of same KVA and Voltage be connected in parallel?

0 Answers   Bernhard Schulte Shipmanagement,

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In HT overhead line why should provide top conducter which is not connected whith insulater..?

3 Answers   Essar,

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wat s reactive power.... how could it be compensated.....

4 Answers   TCS,

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what are the types of sus station ?

13 Answers   NTPC,

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What is the difference between RCD & RCCB, Where it can be used

3 Answers  

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