What are the two types of compensation?

0 Answers  

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WHY THE FREQUENCY IS 50 HZ IN INDIA.CAN WE USE SOME OTHER FREQUENCY.IF SO WHAT IS THE RANGE AND WHAT WILL BE THE EFFECT IN PRESENT POWER SYSTEM IF WE CHANGE THE FREQUENCY AS YOU SUGGEST ?

32 Answers   L&T, MCL,

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formula for calculation of switchgears(i.e. contactor, fuse, cb, relay etc.), if load current is given?

0 Answers  

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why use -48 volt DC power in telecom?

3 Answers  

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Why are the laminations insulated from each other?

0 Answers  

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why DG sets power factor is 0.8 lagging.

1 Answers   Cummins,

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What is the need of earthing transformer for delta side of a transformer. (Think of a line section between a star/delta transformer at a grid substation and delta/star transformer at a village. An earthing transformer is there at the delta side of the star/delta transformer at grid substation). As there are no ground reference there will not be fault current if a one phase is grounded. Further L-L phase will be sensed by the primary side of star/delta transformer as a L-G fault. So why an earthing transformer is required at delta side

0 Answers   CEB,

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How to do the REF Stability test for power transformers in Site?

1 Answers   Escorts, Siemens,

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what is green house effect?

4 Answers  

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what happen if field of dc shunt motor opens? what is function of putting res. in parallel to one phase of 3 phase IM? the power supplied by 5A source in circuit is given by------Watt.

0 Answers  

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Electromotive force is provided by:(a) Resistance’s(b) A conducting path(c) An electric current(d) An electrical supply source

2 Answers  

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What is the function of the exiter in DG.

3 Answers  

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