Answer Posted / arjun prajapati

Isolator is mannualy
operated switch used
for maintainanc
purpose to disconnect
one ckt from faulty
parts...ckt breaker is
automatic switch used
for protection purpose
in faulty condition...

A double circuit with dog conductor 66KV Transmission line from wind farm evacuation to feeding substation having capacity of 25MW for transmission. Can same transmission network be considered for further expansion of Power & how much in MW. If we need to expand next 10-15 MW more will there any augmentation is required in transmission network? Kindly reply asap.

2143

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Why in power plant projects we see DOL starting method used for motors upto 160 kW instead of star delta method

1775

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1.how many types of relays? 2.difference between ATS& STS?

2100

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can we do the star delta connection of capacitor for 3- phase motor starter.

1978

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how technical is calculated in 11kv line and lt line

1974

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lorteny method

1944

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3 phase induction motor connection star or delta while using ac drive motor is .75 to 5.5 kw

1912

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What is the effect of pi controller on the system performance?

1061

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what is the requirement regarding earthing of Single conductor with AWA

2168

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What is advantages of VSCF wind electrical system?

2278

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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.

1860

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What si the d/f b/w KVA & KWH, kvarh & kvar, kwh & kvar phase voltage & line voltage

6083

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what shoud be strength and weakness to impress interviewer????????

2023

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how u select control transformer for a mccb panels or any panels?for expample we hav 440 volts maim supply and control volts is 230v?

2115

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what is is the potential diffrence between two phase ?

6253

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