show the single line diagram of star delta starter with single phase preventer

0 Answers  

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How many battery required for an 3kva online ups with 3 hrs back up with usage of 3 fans,3tube lights

1 Answers  

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what type circuit breaker is suitable for connecting 1000A load VCb,Mccb?

5 Answers   Gridco,

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can you explain the rms value in simple words....

5 Answers  

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why power generated only 11KV not more than???????? and why power up/down is multification of 11*?=??.??? foe Example 11/33,11/66,66/11KV etc,

8 Answers   Essar,

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What are the components connected in between the power supply coming from an electric pole to HT & LT Panels in a large commercial building or how the power supply connected from Electric pole to Transformer & then to the HT & LT panels of a building? Please send me answers via mail, my id is yogiagarwal@gmail.com. If possible, please give a line diagram.

0 Answers   Ranbaxy,

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What is ignition module of a CAT Gas Genset G-3508 Engine, Alternator SR4B Series. HOw its checked for correct functioning.Is it repiarable or replacable?

0 Answers  

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What is the operating range(tolerance) of voltage and frequency of grid supply in india?

10 Answers   BARC,

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A.V.R maintains the voltage of a generator when it is in island mode but when the generator is synchronised with grid it maintenance the P.F,how it happens please any body explain it in detail.

2 Answers   TATA,

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sir please send me previous year questions of jspl through which i could prepare myself fpr the test.

64 Answers   FGH, HFT, Jindal, Jindal Steel and Power, JSP, JSW, Lin Engineering,

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we have require a Motor (1500kW, 6.6kV, 50Hz) which shall operate at 1500rpm during 30min and after it shall run on 500rpm during 15min. The same cycle shall be repetitive during the whole working days. Which method is best and economic to achieve such type of task. VFD, VVFD, Pole changing motor etc.

0 Answers   MTN,

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Why the rating of the HT breakers are in 1250 Amp, while the load on the breaker is around 50 Amp. ?

9 Answers   Wipro,

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