Answer / k.prakashchandra

Outgoing side? The pf is low on low load

We normally make oil soak pits under Transformers. Oil from soak pit goes to collection pit. We provide granules/pebbles under transformers. My question is weather granules/ pebbles to be filled in soak pit or not? if yes upto what level?

0 Answers   Bhel,

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in Contactor opearation Why there is a difference in the values of the operate and release voltage in case AC supply

0 Answers  

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What range of speed can you get with the armature control method of speed control of d.c. Shunt motor?

0 Answers  

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what are different types of alternator and discuss about the methods of cooling

16 Answers   Bhel, Jindal, L&T, Nalco, Vedanta,

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In our generating power station we get electric shock in the battery bank, what will be the reason?

3 Answers  

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11 kV line deraction check by an Engineer.

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current transformer balance the power level on both sides. e.g in case of step up, at secondary side voltage rise but current decrease and vice versa in case of step down transformer. but how this power level remains same in case of current transformer and voltage transformer

0 Answers  

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Can anyone explain the power flow in flouresent lamps (tube lights) .What are the functions of Starter & choke used there?

1 Answers  

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IN star -delta motors normally first operated in star mode {absulated given (r-y-b) phases after one miute change in delta mode in this case i am change phase sequience for example R -PHASE TO CHANGE Y-PHASE ;Y-PHASE TO CHANGE R-PHASE SO THIS TIME MOTOR WILL HAPPEN RUNNIG MODE EIGHTER(OR) STOP MODE(TRIP MODE)

6 Answers   MacLellan,

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what is photo voltic cell,& what are the materials associated with that?and any spcifications like volts/cm etc?

0 Answers  

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difference between temperature sensor and temperature switch

3 Answers   ABB,

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Which capacitor is used in ceiling fans ?

1 Answers  

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