what is Distance protection & how did it work

2 Answers  

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Upto what extent, the lagging power factor can be improved with the help of capacitors?

6 Answers  

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we have provided 30 nos. relay contacts in panel.I want to know how do we do the numbering for the relay contacts as per any applicable standards

0 Answers  

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What will happen if the d.c. Machine is operated below rated speed?

0 Answers  

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What is the meaning of HT Trivector Meter ?

0 Answers   NIIT, Sodexo,

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Is it true online ups having bypass mode if it is true then why we called ups because it is interrupting power when goes in bypass mode

0 Answers  

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A 200 KVA UPS's load current is 70 A. We want to provide a Generator back up. What capacity of DG required for this ?

1 Answers   Reliance,

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if transmission voltage expressed as the multipple of form factor(1.11)........11,33,66,220 etc......then why madakkathara substation(kerala) voltage is 400kv..not 440.....?

2 Answers   KSEB,

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Why we use RYB phase sequence?

3 Answers  

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Why we are putting off the APFC(automatic power factor control) panel while the generator is running?

4 Answers   National Steel,

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A power transformer 4MVA/11KV/0.415Kv has been out of use in 12years. what maintenance actions/test need to be carried out before energizing.

0 Answers  

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how DC is differ from AC ? what are the difference between them ?exept (P-N)&(+__-)

2 Answers  

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