Answer / rakesh kumar

believe me though extensive but u cant get a better book
for any topic of power system than jb gupta

Answer / hm

" SWITCHGEAR PROTECTION AND POWER SYSTEM " by SUNIL S. RAO

what is ohms law?

7 Answers  

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What is principal to reduce earth leakage current with isolation transformer? When isolation transformer is installed in input stage of system, earth leakage current is reduced. the reason is why the leakage current of 2nd stage of isolation transformer does not affect the 1st stage's leakage current. I would like to know the reason. As you know, earth leakage current is a kind of AC. So, How to reduce earth leakage current in case that isolation transformer is used?

2 Answers  

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What happens if the capacitive reactance of a transmission line is very high?

5 Answers   ABB, Power Grid,

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when we switch on the switch and load is not connected at home,is electricity wasted?

1 Answers  

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What is the min.& max distance between two earth spikes is required for measuring earth resistance of an earth pit? Is the manufacturer of Earth tester decides this? Pls explain.

3 Answers   ABB, HAL,

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hi sir i have load of 17.5kw in 3 phase lighting circuit which mcb i can use

3 Answers  

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can i used 400A SFU (for the use of PA fan motor),if my BUSBAR rating is only 315A?????answer me quickly as possible.......thanks

1 Answers  

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. What should be the minimum and maximum ohmic value for earthing?

1 Answers  

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What are the different sign conventions used in electric circuits?

0 Answers  

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what happens when one of the phases out 0f 3 phases been removed under working condition and no load condition will the machine run if so plz send me why

2 Answers  

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HOW MUCH CURRENT CAN A 3 -1/2 CORE 100 MM WIRE CARRY

2 Answers   Focus Energy, San,

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Can earth resistance be measured without connecting the earth electrode? and should earthing connections be disconnected What is the effect of connecting two cables of different sizes in parallel with supply? Thanks in Advance. I am intrested to get in touch with some tecnocrats/engineers,my mail i.d is : hiremathvijay@rediffmail.com

1 Answers  

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