we know that dc motors are more superior then three phase induction motors in torque generation though they are not much used in industries why?

5 Answers   Essar, L&T,

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what is wore of PLC ?

1 Answers  

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why ht motors are connected in star?

1 Answers  

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how winding temperature detects in power transformer...?

5 Answers   Roverco,

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Why DC excitation is used for alternators? Why cant it be AC?

35 Answers   ABB, Ace Info, Alstom, Shalivahana Power,

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What are the methods used to improve powerfactor ?

6 Answers  

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Why there is a current in neutral line

3 Answers   Honeywell,

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AVR is used for the Voltage regulation of the Generator using the feedback signal by exciting the field winding of the generator.But how the field winding will be excited & using what?

2 Answers   Alstom,

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Sir, why generating power plant operating at above 0.9 lag? detail explaination?

1 Answers   Kirloskar, L&T,

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How can we findout the maximum efficiancy of Transformer? At which load?

0 Answers   HAL, Tanfac,

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what is the earth to neutral voltage(maximum and minimum) according to ieee standards

4 Answers  

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We have 2 11kv/433v transformers for 2saperate acb for mv panels and 1 bus coupler acb. Suppose I’ll close bus coupler what will happen or it will be share the load. Please suggestion and any modification required.

1 Answers  

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