what is first ground fault & second ground fault. This is used in rotor protection of alternator.

1 Answers  

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How can I calculate ISF of current transformer?

0 Answers   Cigniti Technologies,

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what is relation between voltage and current and don't take resistance here. if we supose say when there is increase in voltage whwt happens to current?is it decrease or increase?

4 Answers  

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Is it alright to connect more than one RCCB of same rating in series for a three phase equipment?

3 Answers  

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how we can know the rating of transmission line by no. of insulators disk ??????????

3 Answers   NTPC,

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what will be d.g. capacity to cater together for 14hp A.C. load & 3kw lighting load

0 Answers  

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what is neutral grounding? why is it required? what is neutral grounding resistor and how is its value calculated??

11 Answers   NTPC, ONGC,

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what is the relation between the size of the machine and the frequency? (when the frequency increases the size of machine will increase,why?)

2 Answers  

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Dsitrubution transformer minimum IR value

1 Answers  

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What is the permissable nutral current of three phase system as per IS standards?

0 Answers  

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Wat is power factor exact meaning in terms of technical terms plz explain ?

4 Answers  

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A 230 v dc series motor is connected to 230 V ac supply, then

1 Answers  

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