Answer / prem

Earthed.because core leakage current is tan delta point so earthed

What is negative sequence over voltage element?

0 Answers   Green T&D,

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will a bulb glow connected to two phases of a delta connection?

6 Answers  

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what is the significance of terminal voltage and phase sequence in the operation of paralleling of two generators?

0 Answers  

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what is the k var ratting of 1250kva

0 Answers  

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what is neutral ground resistance relay? how it is helpful in protecting system?

5 Answers  

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what diferent amoung three phase supply?

1 Answers  

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what are the advantages and disadvantages of speed control of 3 phase induction motor by varying frequency explain with drawing

0 Answers   ABB, Genpect,

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why star point of motor shall not be grounded?

8 Answers  

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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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why 120 devided with pole and speed multiplication to determine frequency

1 Answers  

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How to Calculate the current drain in the battery (1.4V) for the 2mins time period?

7 Answers  

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I want to give Power supply to a house from the Feeder, Total Load of the House is 128 KW, how to calculate cable size for this load ?

5 Answers  

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