Answer / mahesh doke

Spacing btwn 11kv=45-60cm and 33kv=90-120cm.

Answer / k.prakashchandra

40 cm minimum as per IE rules

Answer / aamir

its depend on rating

What is the differance between negative dc voltage and positive dc voltage because some circuit uses -24,-5,-12,- 15,volt dc supply

10 Answers   eLab, Hero Honda, NTPC, Suzlon, Teradyne,

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salam,hi, i need to know what the spesification of 300amp msb...

0 Answers  

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234 MVA Generator 3 phase Short circuit current Values required? Gen set Rating-234 MVA, Gen Voltage-18kv, PF;0.8, Xdv:23.5 %, Transformer Rating-18/380KV, 680MVA,Yndd1 two winding, Step up TR, ZT:35.50 %,X/R 4.33 Gen CB Position, CB open ,Disconnected open, Generator Running Voltage 18 Kv, Bi mistakes generator side earth switch Closed during that time short circuit current level in 3 Phase required, and how to test on site 234MVA Generator Short circuit current,

0 Answers   Jubail O&M,

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what is potentiometer & rheostat

3 Answers  

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What is the calculating formula for HT and LT amps in a transformer.

22 Answers   Cipla, K-Electric,

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How are load losses and no-load losses measured at site in a DG set?

0 Answers  

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what is the difference between earthed and unearthed cable?

24 Answers   Cords Cable, Essar, Torrent Power,

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why so voltage is same in parallel circuits and current is same in series ckt?

3 Answers  

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wchich motor we are using in mixer?

4 Answers  

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Which motor has more efficiency ;Synchoronous or Induction motor ?

4 Answers   TATA,

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generally in LT and MV motors we are using 3.5Coresx16,25,35,50 etc cable for supply.although motors is earthed at two point and having all protection.then why we are using that 1/2 core for earthing the motors.while in HT cable we are using only 3core cable for motor supply.generally lt and mv motors are delta connected and ht motors having star connection.whethere it is having any relation with winding connection( star or delta).all motors i am talking about are dol only.can anybody solve my confusion.thanks...

0 Answers  

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1.what is surge 2.what is lightning 3.what is switching 4.difference between surge,lightning,switching used in power system 4.definition of surgearrestor,lightningarrestor 5.adv and disadv of surgearrestor,lightningarrestor 6.uses and purpose of surgearrestorand lightning arrestor 7.block dia of surge arrestor 8.blockdiagram of lightning arrestor 9.operation and working of surge arrestor and lightning arrestor 10.basic formula of surgearrestor and lightning arrestor 11.basic diagram of surge arrestor and lightning arrestor

1 Answers   Crompton Greaves, Framo, L&T,

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