What is electrical earthing?

1 Answers  

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How we find the size of cable if we know the current

2 Answers   Gemscab,

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A 7 storey building has a floor area of 35,000sq.ft on each storey. On the ground floor 11KV electrical sub-station is to be erected. A load of 3kw for every 400sq.ft (p.f is 0.8) is proposed for each floor. fire pump 7.5hp, water pump 5hp, lift 2 nos, each 10hp and 20shop load of each shop is 5kw. calculate a. load each floor b. total load of building c. L.T feeders for aech floor and from transformer to main. d. distribution diagram e. capacity of sub-station/capacitor bank f. line diagram

0 Answers  

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what are the protections in 132 kv class electrical systems.....? hw u define that in elctrical terms..? . . .pls answr

2 Answers   ABB,

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On wat basis TSM & PSM are set? Example.TSM=30% n PSM=2.5A....Hw they are set and how we come to know that the particular relay should be set to this value only?

2 Answers  

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how many parameters can integrate with fire alarm basically ?

0 Answers   Schneider,

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what is the use of static frequency converter and static excitation equipment? and where it is employed? for what?

0 Answers   Toshiba,

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In a three-phase full converter, output voltage pulsates at frequency of a. f b. 2f c. 3f d. 6f

2 Answers  

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When neutral is grounded in electrical circuit?

9 Answers   Balco,

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How we connect capacitors in Fixed Series compensation of AC transmission lines. Whether in parallel or in series?

3 Answers  

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In india, according to trade theory above 5 HP motor reqired star delta starter. But we R connect 11 KV motor with 14MW in Direct to line ( With VCB starter combination) Can U Guess, How it is possible ?????

0 Answers   Equate,

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we want low electricity at lower speed of fan.what we have to do?

5 Answers  

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