how we can improve power factor from 0.8 to 0.85 or 0.9 & how we identify its either lag or lead ? thank you

7 Answers  

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Does the ferranti effect has some impact on the electricity billing system on high voltage installations?

1 Answers   IISc,

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We have isolation transformer 25kvA & ONLINE UPS 15KvA (3PHASE I/P,3PHASE O/P)where isolation should have connect,before UPS or after please brief.

1 Answers   DRJ ARDE,

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how to calculate the cable current ratingand and how much of distance the rating will be ok will the distance is incresed what the action we take

0 Answers  

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which motor is used in high mast ( street light) & give the hight of tower .

2 Answers   Construction, Honda,

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What is the cause for a blown fuse in one phase of primery side(HV) of a three phase transformer( 4169v-460v) in the time of closing its supply breaker. There is no load on the secondery side of the transformer in this moment.

3 Answers   Novachem,

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Why current flows in nutral? As per theory there should be no current in 3 ph explain.

11 Answers   Bhel,

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how to generator maintenance (A Check, B check,Etc)

0 Answers   Cummins, HCL,

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What is the rating of HT SUBSTATION and LT SUBSTATION?

11 Answers   NTPC, Sail,

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How do we calculate over and under frequency tolerance from generator data?

0 Answers   DPS,

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why we are connecting the alternator to a steam turbine of higher RPM then the rated RPM of alternator? For example:( connecting 1500 rpm alternator to 7600 rpm steam turbine). we can directly connect the same rpm turbine to alternator know??? is there any special reason ???

2 Answers  

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why DC motor body is plain cover but AC motor is different like finse?

2 Answers  

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