Mention the value of earth resistance and factors on which it depends on.

1 Answers  

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How to test and satisfy the conditions of the vector group YNd1 for power transformer?

1 Answers   Areva,

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. The string effcy in AC sys is 80% Then for same power, the string effcy in dc sys is a) less than 80% b) 80% c) more than 80% d) zero

1 Answers   Engineers India Limited,

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What is the average hieght of a electrical tower? what are the factors that are taken into consideration for deciding its hieght other than voltage level?

1 Answers  

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to calculate voltage drop of cable which current we consider that means full load current or panel size?

2 Answers  

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Why the transformers are rating in KVA.?

5 Answers   ISMT,

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how to calculate no load losses units comsumed by transformer

2 Answers   MRF,

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explain about the electrification in the Indian Railways? ie., how the power is taken and used to drive the train? explain with the block diagram??

1 Answers  

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

0 Answers  

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What the capacitor Current formula?, For 1 KVAr how amps its required? for using the KVAr for boosting the PF Design Calculation.( Eg: for 30 KVAr required how many KW?)

17 Answers   Alstom, Call Centre, EDC, HCL, Procon Engineers,

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What do you mean by the zone of protection?

0 Answers  

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What is working of Trip Ckt.Supervision Relay?

1 Answers  

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