Why is better to have a minimum ceiling voltage of 250% than 160%?

0 Answers  

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what is diffrence b/w -48vdc and +48vdc ?

1 Answers  

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campared to ac, in dc corona loss is

4 Answers   DRDO,

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working method of railway electricl loco in single wire 25000 volt

1 Answers  

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can we start a 6.6kv ht motor with 415 lt supply

1 Answers  

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what is difference b/w HT & LT and the range of HT & LT ?

22 Answers   AF, Schneider,

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In case of legging current of 20°, pf is .94 and leading of 20°,pf is .94 , in mathematicaly both are same but in realy how it is differ ?

3 Answers  

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what is differnce between oil transformer & dry type transformer ???????????

2 Answers  

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How check proper electrical earthing of machine.

5 Answers   DRJ ARDE,

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i am in need of AC SYNCHRONUS MOTOR 30KW. ANY ONE KNOWS THE MANUFACTURER OF SAME. ALSO MOSFET AC CONVERTER 20KVA CONT.OUTPUT.

0 Answers  

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hi, i have 3x200KVA and 2 x 80KVA UPS with battery bank of 150AH 68Nos. and 100AH 204Nos., i need to install AC either ductable or PAC type, so can you help me to calculate heat load and capacity of the AC to install.

0 Answers   Hyundai,

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What is the differentional relay...what is the work of this in power Tx. how it is works..

0 Answers   ABB,

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