what is the VVVFD and?

4 Answers  

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why substation are rated like 11KV or 33KV?

3 Answers   TNEB Tamil Nadu Electricity Board,

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how can we charged the battery in DG

2 Answers   MTS,

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Why restricted earth fault protection is needed? Why can’t differential Protection is sufficient?

1 Answers  

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what is the right cable size for 100 hp mpter.

3 Answers  

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what are the factors to be considered while design the breaker either HT or LT??

0 Answers  

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3-PHASE 15KVA dg IS EQUIVALENT TO 12 KW,hOW?

2 Answers   TATA,

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6 MVA transformer secondary is rated for 725V at no load. The incommer ACB is rated at 690 V, 3200 Amp. Would there be any effect on performance of ACB due to lower voltage rating?

5 Answers  

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what phase and neutral.

3 Answers   HP,

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suppose if oil in transformer is not used than what constructional change you will do,for insulation and cooling?

2 Answers   ABB,

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in breather of transformer how sillicon gel absorb the moisture?wat happen when the moisture in that oil?

1 Answers  

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6. A DC AMMETER HAS R=0.1 OHM & CURRENT RANGE IS 0-100 A IF THE RANGE IS TO BE EXTENDED TO 0-500 A THEN METER REQUIRES SHUNT RESISTANCE OF ..........

2 Answers   SSC,

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