Answer / rajesh k

in d case of generator, if we remove dc exciter (internal
exciter), the out put vl fail 2 produce electricity.
Consequently AVR will trip off the generator.

Answer / ketan

if the generator running in parallel opearation,generator
will draw power from busbars and act like motor to prevent
this we use reverse power relay

Answer / manan bhatt

if we remove dc exciter from running machine then due to
absence of rotational energy, machine will stop but will
take some time for remaining kinetic energy of rotor.

Answer / k.prakashchandra

In case of DC shunt motor the speed goes on increasing .In
case of grid connected gen, the machine will run as
induction motor when prime mover is shut down and as
induction gen if the prime mover is running.IN case of
series motor ,it will come to rest.

what is the earthing condition between earth & neutral.

6 Answers   ABB,

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what ever the ups kva it may 500 kva or 500 va always out put is AC 240 volts its right?

3 Answers  

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what is a lightning arrester???

12 Answers   ABB, NTPC,

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FACP Means

1 Answers   RR,

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why in an electrical lab a bulb connected to supply goes off slowly when the main supply is switched off?

2 Answers  

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what is meant by Hrc fuses.?In the distribution system different rating hrc fuses are used for tranformer(which is 3k,6k,10k,15k etc).what is k?.plz any brother tell me about k?

1 Answers  

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what is the working principle of dc motor & its application ?

3 Answers  

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In our factory there is one no. of Series trip HT 6KV OCB. 1. Is it possible to measure CT out put current by 440V Clamp meter? The measurement is required for knowing the exact value of current in CT secondary to set up protection for transformers. 2. plase forward the single line diagram of AMF panel?

1 Answers   HAL,

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What is the full form of CNC in electrical mechines.......?

1 Answers   Alstom,

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how to calculate cable size by amp

19 Answers   CDS,

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what is the function of anti-pumping in circuit breaker?

20 Answers   Aditya Birla, INEL, NCC,

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how to calculate capacitor rating for an induction transformer ex.for 12 mva furnace calculate capacitor rating

2 Answers  

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