What is the importance of RESONANCE

2 Answers  

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If you know per phase current and phase to phase voltage; what is overall KW of the circuit?

1 Answers   ABC, GAS,

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In a 11kv/433v transformer,at the LT side ie 433 V side why do we need to put 3.5 core Cable upto Panel.The full load rated Amps is 666 at LV side.What value of current will flow through the Nuetral Conductor.Why can't we use 4Core Cable instea of that?

2 Answers  

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any earth foult trip the relay but in welding time not trip by earth foult

0 Answers   Power Grid, Siemens,

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at which voltage level arcing ground is occurs ??????????

0 Answers   TATA,

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I have 2500KVA transformer delta/star,13.8KV/380V provided with LV 4000A breaker. Already I have 2300KW motor feeder with a full load 90%. Is it possible to connect another 1600A from that breaker? If so how the calculation is done?

0 Answers  

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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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which are the criterias needed to select the kind of neutral earthing(solid earthing,resistance earthing,etc.) at various voltage levels in electrical distribution?

0 Answers  

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How to calculate the fuse rating depend upon the DC circuit?

0 Answers  

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what is corona

3 Answers  

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why synchronous motor has zero starting ?

8 Answers   NTPC,

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If we say that an cable of size 3.5X 50 mm sq. can take current upto 140 amps,is it the current of single core of the cable or of all the cores jointly.

3 Answers  

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