Answer / sheikh

in any type of generators if AVR has become failed
then not possible to generate the voltage, because excitation
is comulsory to megnetized the alternator field winding
in case of AVR faliuer exitation also must be failed becaus
AVR is supplied the exitation volage either no load condition
or on load condition AVR also incrase and decrease the
exitation voltage and current as per demand of load.

which oil used in transformer?

5 Answers  

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what is meant by oil filled power & distrubution transformer ? if anybody know the link of detail about above transformers means plz send it i have interview on this week ? plz help me

3 Answers  

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Sir We have a REF relay connected to 10MVA(Y-Y) Transformer.on External earth fault REF relay trips along with earth fault relay.The REF relay has no complant as we tested relay.Why is it happening?

3 Answers   KSEB,

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How to calculate Earth busbar size & what is the procedure we make for determine that?

1 Answers  

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what is the function of potential transformer in s/s

6 Answers  

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grr resistance & contrator malt continuous

0 Answers   Pioneer Labs,

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how is the connection of a 3 phase ct trivector meter done on a pole mounted transformer

0 Answers  

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i have flexible wire. size of conductors is 0.190 mm & no.of conductors are 48. then size of wire comes 1.37 sqmm instead of 1.5 sqmm . the what is tolerance for this size.

0 Answers  

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how to synchronize 4 nos. of diesel generator sets of different capacity (kva)?

7 Answers   Bhel,

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State the function of control rods used in nuclear reactor

1 Answers  

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the site measured knee point voltage of protection class CTs should be greater than rated knee point voltage? what about meetering class CTs. Should it be below the rated knee point voltage?

0 Answers  

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we use 400/5A ct and 35/roor3KV,/0.1/root3KV,0.1/root3KV pt ratio. What is the multiple factor of this meter.

0 Answers   ABB,

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