How many types of AC current?

8 Answers  

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1. what is exciting winding, rotor winding, startor winding. and how it works? in ac generator

3 Answers  

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what is corona ?

3 Answers  

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Why should The rating of 11 kV DO Fuse is in mulyiple of hundred(200 Amp. 40 Amp, etc) Ampere wheareses the its fuse elemnt has rating in just few Amp (< 12 Amp)? ( Is it jusy beacuse of factor of safty).

1 Answers  

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What is meant by Active and reactive power?

5 Answers   Siemens,

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Need help. 3 phase system. Neutral line arced and melted upon connection of connector with 3 phase power. Why would that happen?

4 Answers  

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List the materials required for Pipe Earthing.

2 Answers  

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Just a silly question but just to make my curious mind bac to normal - Why was not 67 and 67N relays built into a single relay as i have noticed that the R,Y,B CT wiring end up into the 67 relay while the common of the R,Y,B CT wiring end up into the 67N relay. Then it was better if a single relay was manufactured just like the distance relay (21). Another question i would like to ask is - how do we know where the 67 and 67 N relay has to be placed.why is it not placed at the transformer bay? In the substaion that i am working -i have noticed that it is placed between a breaker and a common double bus bar and this line bay is connected to another substation at a remote place which is furthur connected to a load. B U S______CT for 67 & 67N ______Breaker _____ remot s/s. B A R

1 Answers  

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What is the gain of 1-s/1=s at 1 rad/sec?

3 Answers   NPCIL,

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what is V0/V rating of cable

1 Answers  

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why voltage will come different in phase?

3 Answers   HP, Vissa,

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Why are cables rated for 40 KA for 0.25 Sec fault current rating?

0 Answers  

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