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.

what is arc flash and what are the hazards involved

0 Answers   Reliance,

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Spacing of Transformers ratings are 10kva,15kva,25kva,63kva,110kva,150kva .........so on Q) Why transformer are not manufactured having ratings in between or other than these standard ratings ?

3 Answers  

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capacitor is load free component but why ampare meter shows the current when the capacitor bank breaker close?

4 Answers   OPS,

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why we are using starter

5 Answers  

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what is the different bitween ETP & WTP

1 Answers   Square Pharma,

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What is the efficiency during maximum power transfer?

0 Answers  

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Ferranti Effect says that voltage at the receiving end is higher than that at the sending end. How is it possible?

4 Answers  

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witch pump used in wtp

0 Answers   Dalkia,

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What is the height of DA, DAL, DB, DC & DDE tower?

0 Answers  

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what is use of capacitor in fan

8 Answers   ABB,

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When batteries are connected in series the voltage increases but the current remains unchanged, how can this be? When you consider ohm's law. i.e. If voltage increases, current increases, providing resistance remains the same.

10 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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