oltc of a transformer, how it works? and what are the equipment consist of describe briefly?

0 Answers  

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where was current transformer protection units used and why??

0 Answers  

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WHY EARTHING NOT NEEDED IN BATTERY IN SUBSTATION

0 Answers  

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why the auxilary(starting)winding is provided in single phase inductoin motor?

5 Answers  

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when generator short circuit condition, the current how dissipates. or at short circuit voltage not available then current how can flow?

0 Answers   Power Grid,

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Why AC & DC capacitor are use in UPS ??????????????????

0 Answers   Sanghi,

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1. Why a DC motor starter is called 3 point starter

21 Answers   ABB, CG, College School Exams Tests, Crompton Greaves, Infosys, Siva,

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HOW TO CALCULATE THE CABLE SIZE FOR POWER CABLE, CONTROL CABLE AND INSTRUMENT CABLE

1 Answers   TurboTech,

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Why generally the Rating of Transformers are in additions of 11 i.e. 11 kVA, 22 kVa, 33 kVA, etc........

8 Answers  

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We store the d.c supply...then why can't we store A.c supply???

4 Answers  

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How is efficiency of DG set calculated? At many places I found the efficiency to be mentioned in percentage. But at some other places I found kWH/ litres. I want to know how dimensionless percentage value is arrived at?

0 Answers   ADS Spirits,

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what are the differenc between vcb and sf6 breakers

7 Answers   Google,

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