Answer Posted / atif

insulating oil used in transformers.

What are the advantages of hydropower?

1030

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What should be setting for alarm,tripping and cooling fan on for power transformer's oil temp. and winding temp. indicator?

1902

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what is rating boiler

1953

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What happens if i apply 500V to 440V rotary Switch ?

1784

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WHAT IS AIR GAP VALUE IN MM FOR A 11KV BUSHING OF 11KV/440V DISTRIBUTION TRANSFORMER. AND AIR GAP VALUE OF 25 KV BUSHING OF AT TRANSFORMER OF 25 KV TRACTION. WHAT IS THE CALCULATION FOR THE AIR GAP PERMITTED FOR BUSHINGS AT DIFFERENT VOLTAGES.

3431

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What is the function of interposing current transformer?

997

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Mention what are the types of semi-conductors?

1140

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If symmetrical fault occurs at the terminal of a synchronous motor then how the motor will act...explain it..

2081

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what is diff. between earthing grid,earthing mess, earting grid?

2355

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What will be the impact on motor performance if a LT motor is rewound with changed motor winding data as given below:- Original winding data: total 04 wires = 02 wires of 17 SWG + 02 wires of 16.5 SWG. Changed Winding data: total 03 wires of 15.5 SWG wire size Motor rating: 160KW, 740RPM, 415V, ID FAN application. Normal Running Current = 95% of FL Current.

1968

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What type of core material is used for metering C.T and protection C.T???

2009

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Which type of air compressor is used now a days in the market. Keeping in mind of energy efficiency and maintenance points. Relevant documents may also be sent on mentioned email ids.

1621

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How does PLC work for sychronising of Two or more DG sets?

2023

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Why the efficiency of a three-phase induction is the motor is less than that of a three-phase transformer?

1085

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what happen if generator of micro hydro running at only a small percentage of its capacity, as a comparison, if the diesel generator that runs on only a fraction of its capacity there will be a wet stacking

1894

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