Answer / k.prakashchandra

The relay measures rate of drop in frequency ,which is due sudden increase in load or decrease in generating capacity . When df/dt exceeds the set value ,the relay closes the trip circuit.

if neutral earthing is weak of a system then how can we improve it ? Technically explanation ??

1 Answers   CS, L&T,

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List the disadvantages of constant k filters?

0 Answers  

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how many maximum nos of add on contact we shd provide on 4 no contactor

1 Answers   Accenture,

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What is the fuction of UV & how it works in circut breakers? is it one type of relay?

4 Answers  

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why nearly all the voltage levels are in the multiples of 11 like 3.3 ,6.6 ,33 ,11 kv.....

8 Answers   Suzlon,

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can i connect the two phases of scott connected transformer,if not why?

0 Answers  

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What should be value of Circuit breaker operating time and tripping time?

5 Answers  

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can we start a 6.6kv ht motor with 415 lt supply

1 Answers  

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why do we need a 4th wire in 3phase 3wire transmission line

6 Answers  

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Explain the function and difference of Restricted earth fault, simple earth fault and sensitive earth fault with connection diagram.

0 Answers   ABB,

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Why are you like to join it job as a electrical engineering student?

4 Answers   Bhushan Power Steel,

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what is the diffrence between resistive , inductive and capactive load please explain with exmpels?

2 Answers  

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