Answer / maruth sk

Electrical earthing is a low resistance path that directs fault current into Earth

what is the difference between earthing and grounding?

6 Answers   Bhel, Wipro,

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WHAT IS THE USE OF PIG TAIL IN WINDOW CT ?

0 Answers  

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What is SF6 Circuit Breaker?

2 Answers   Amdocs,

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Explain dc generator with its types?

0 Answers  

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

2 Answers   CA,

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what does vector group Dyn11 tell us? also tell me how will u differentiate between phase lead and phase lag thru this vector group

0 Answers   Bosch,

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How does one convert an AC motor into a generator?

6 Answers   Bhel, ZK,

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what is the difference between 3 phase 3wire &3phase 4 wire meter?what is the advantage of 3p3w over 3p4w?

1 Answers   L&T, MahaDiscom,

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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 is the method for testing the differential protection stabilty in generator? When the time of starting What will happen if differentail protection connection wrong means?

0 Answers   JSW,

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Why the resistance grounding (NGR) is better than Solid grounding?

5 Answers  

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how to calculate power factor of capacitor? what is transformer rating?

2 Answers  

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