Answer Posted / karthi

Due to the ferrantic effect the receiving end voltage is
greater than sending end voltage to avoid this problem we
useing the reactors........

I Need standard operation procedure(SOP)for 500kva Oil type transformer oil filtration & Procedure for IR value checking.

2893

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What is the rating factor for copper cable ( Specific value according to the type of laying ) & the voltage drop?

1846

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Capacitor is load free component but why ampere meter shows current when capacitor bank breaker close?

1193

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Trafo ratio is 11kV/6.6kv,Vector group is YND11. What will be the effect if secondary is used for earthed system.

3798

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why current is constant on d.c?

2087

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Is it a better option to procure screw type air compressor rather than reciprocating air compressor?If so, what is the reason?How should we select an air compressor(100 CFM)? Please mention the important parameters of air compressor.

1968

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we have require a Motor (1500kW, 6.6kV, 50Hz) which shall operate at 1500rpm during 30min and after it shall run on 500rpm during 15min. The same cycle shall be repetitive during the whole working days. Which method is best and economic to achieve such type of task. VFD, VVFD, Pole changing motor etc.

1918

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What is time response of the control system?

1090

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what happen when we add mentos in cold drink?& why?

2058

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What is different between Difnit time and instatous over current relay

2547

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What is principle of Floroscent tube 36watt.

2045

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What does the letter CTNM in negative phase sequence relay means?

1812

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we use 400/5A ct and 35/roor3KV,/0.1/root3KV,0.1/root3KV pt ratio. What is the multiple factor of this meter.

2007

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What are the advantages of stationary armature and rotating field system?

1221

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What is the physical significance of phase.. i.e. what is exactly the meaning in layman's language.. 1 phase, 3 phase etc ???

2169

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