Answer / anil

star delta is used at the transmission side
star star is used for low voltage supplies
delta delta is used for higher voltages
delta star is used at the recieving end of the transmission

briefly explain principle of resistance welding

0 Answers  

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what is current

53 Answers   Bio Enterprises, CLG, TCS,

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we done magnetic balance test for 33KV /440V transformer in our company , but the ratio out is confusing us Voltage applied in RY = 440 , at RB = 320 and YB = 60 RY 440 = ( RB + YB ) 380 only Please let me know what type of problem is it.

2 Answers  

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what are the protection relays for trasformer

3 Answers  

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what is 33 /11kv transformer bdv

8 Answers   NMDC, TPPL,

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what do you call the last pole on a overhead line near a substation

2 Answers  

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What are merits & De-merits of State-Space Method? What is series programming, parallel programming, general programming & direct programming ? And, difference between these programmings Techniques ?

0 Answers  

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we have two generators different capacity on 15 MW and other 6MW at 11 KV , 15 MW gen. bus short level current 40KA,and 6MW short level current 25KA,, length of cable 100MTR between 6 MW from 15MW gen. for bus coupling . kindly tell any one can we use both NGR OR one NGR from any GEN. BOTH NGR has diff. rating. Tariq pakistan

0 Answers   RYK Mills,

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how to calculate current carring capacity of cable and cable selection? 1) copper flexible cable 2) copper armoured cable 3) Aluminium cable

0 Answers  

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At full load wat is the motor p.f And at no load will is the motor p.f?

0 Answers   GEPL,

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1.what is the basic difference between surge arrestor and lightning arrestor and where we use it. 1.what is the difference between metal oxide without gapped lightning arrestor and with gapped lightning arrestor

2 Answers  

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How you give clearance to a spare feeder.

0 Answers   KSEB, L&T, Siemens,

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