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

i have one ground earth for my shop but now he showing 11v how ever my machine engineer said that he require less than 3v how can we reduce it, i have put 8 bucket salty water in it

1 Answers  

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Can be ammeter and voltmeter used without CT? if not, what is the reason for that?

3 Answers   Elektrotek, Toyo Engineering,

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Which Machine u will prefer to use at a place where flammable gases are coming out & why ?

4 Answers   NTPC,

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What is the principle of residual protection?

0 Answers  

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can we use relay in fan?

0 Answers   NTPC,

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when meggering a 3ph,480v oil reservoir heater on a regen gas compressor, why do I get a reading to ground when meggering phase to ground? shouldn't it read opened or is there something that makes it read closed? on the same heater, when ohming, it reads open. thanx

1 Answers  

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why transmission line towers are longer than communication line towers?

3 Answers  

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what is gridrotor resistance starter

0 Answers  

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how to choose cable size with respect to load? how to convert cable size in mm2 to sq.mm?

2 Answers   MSL,

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how do you find making current and breaking current of the circuit breaker

1 Answers  

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why tan delta test conducted in electrical equipmenr

4 Answers  

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What is vector group? What is meant by DYN11?Why is it needed?

13 Answers   Areva, Bhel, BRG, Escorts, Fortis,

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