Answer Posted / vinaysuper2000

UPS Incoming supply Delta connection & Out put supply star
connection.

1.why should we connect the measuring instruments in l.v side in short circuit test of a transformer? 2.why the power factor is less in open circuit test of a transformer?

2070

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What is the comparison of PILC and XLPE cable

2144

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what is arc flash and what are the hazards involved

2158

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I have one ct of ratio 3000-2000/1 Amp its knee point voltage mentioned on name plate is 500-333/30mA-50mA at Vk/2. in secondary box there is three terminal named 1S1, 1S2, 1S3 then on which terminal obtained the knee point voltage ie 1S1-1S2 OR 1S1-1S3 & also specify the knee point voltage for the ratio 3000 from name plate.

2452

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How will you utilise electrical power? You can start from the generating station.

1914

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electrical knowelge

1171

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what is efficient motors and how it is different from normal induction motors

1914

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can you plz send l&t aptitude questions if available its urgent plz plz plz

2117

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how does a liquid starter reduce the starting currents?

2136

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If the rated speed of a d.c. Shunt motor is1440 r.p.m, which method of speed control would you suggested to obtain a speed of 1500 r.p.m?

1153

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A 100W electric lamp is supplied from a 115V, 60HZ source. The peak instantaneous power dissipated in the lamp filament is

2381

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What are linear and non-linear systems?

1095

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Explain in details how you would react to an unexpected incident when your supervisor or manager is not around to give instructions?

8085

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Dear All, I am new in construction company , my boss ask a question at time of interview , If we have 60MW generation and Single Power Transformer step-up we have. if CMR 50/60MVA , ONAN, ONAF respectively , is it sufficient or not ? for that much power to transfer,

1647

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Details about Flux Compensated magnetic Amplifer starter for motors

2019

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