1)Explain why the cradle guard is used on railway crossing in overhead line construction?

0 Answers  

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which is better to use svc or synchronous condenser why ?

0 Answers  

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The MCB circuit breaker have a voltage rating of 440VAC it's possible to supply a voltage of 480Vac

1 Answers  

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Is phenomenon of resonance is harmfull fr the machine? if not or if yes please explain it?

0 Answers   Bhel,

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what is the use of commutator in dc motor if we supply ac ? commutator is used to convert ac to dc.and it is used to arrange the flux in unidirectional in case of dc supply. if we give ac as supply to dc motor what is the use of commutator?

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what you have to see after one week or month from the day of installation of transformer ?

0 Answers  

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explain why the armature voltage changes when the field rheostat is varied in self excited DC generator

2 Answers  

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What is mean by Sensitive Earth fault & what are the effects

1 Answers   Enteg Technologies,

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what is IDMT relay.

4 Answers   Birla,

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What is the difference between AC Drives and DC Drives?

14 Answers   College School Exams Tests, La-Gajjar Machineries, LG, Schneider, SMEL,

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I would like to know that the fault curretn at base load and at 10% generation will be same? Fault level of BUS remain same with different generation?

0 Answers  

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why transformer impedance measure in % (percentage)

4 Answers   Hindalco,

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