1.what is the difference between ct and cvt? 2.what is the difference between pt and cvt? 3.what is the difference between relays and circuit breakers?

0 Answers  

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What is the difference between PS & metering CT (5p20,0.5 etc.)? Why in PS class CT only Vk is given ? Is PS class CT is more accurate than metering CT?

0 Answers  

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What is clean Earth System ?

3 Answers  

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Please clarify, 1. Is it required to lay two runs of GI wire along with Armoured LT cable if it is laid between one big mains (63Amps TPN SDF) to small main (32A TPN SDF) with proper glanding termination? 2. If the armoured cable with proper glanding is laid from DB to CNC machine, is it required to run two runs of body earthing to the Machine from DB? 3.If the armoured cable with proper glanding is laid from Substation to Hangar, distance is approx. 100 mtrs, is it required to do earthing at shop area though the primary termination at substation is earthed through gland.

0 Answers   HAL,

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if the voltage across the lamp drops by 1%, the power drawn will be reduced by how many %?

5 Answers   PSPCL,

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Why USe In -48 DC Volt !

3 Answers  

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What device is use for metering current at lt consumer end..??

2 Answers   Power Grid,

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what is tertiary winding in transformer?What is its purpose?

18 Answers   Bhel,

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What happens when the polarity changes in CT? Explain briefly?

8 Answers  

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What is the effect of solar radiation on the design of an Isolated Phase Busduct?

0 Answers   Exide, Punj Lloyd Ltd,

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sir my exam is on 19/6/2013 under electrical branch pls send me sample aptitude questions as well as sample technical questions for jindal steel and power company

0 Answers   Jindal,

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i(1)= j0.5 p.u., i(2)= -j0.5 p.u., i(0) =j1 p.u. What kind of fault it is-- a)l-l ,b)l-l-g, c)l-l-l-g, d)l-g.

2 Answers   Areva,

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