what is the use of tertiary winding?

2 Answers  

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can any one help me out by posting something related to rvnl interview for site engineer electrical.? what is the procedure? what kinda question they ask us? how long the interview goes? and any tips? and any thing you want to share?

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Why does the power consumed is always constant even if a fan speed is altered?

4 Answers  

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Why is a synchronous motor always star connected??

0 Answers   Bhushan Power Steel,

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What is the need for checking knee point voltage for CT's?

1 Answers  

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750kva 11/415kv transformer having percentage impedence is5.64%. 11KV HV whose current 39.37A and 415V LV whose current 1043.43A.resistance is 2.5ohm. find no load loss and full load loss?

2 Answers  

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what are factors to be consider in electrical installation like load factor,diversity factor .....

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Why is it not possible to operate a star-delta transformer in parallel with delta-delta transformer?

1 Answers  

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Logic using 1 kV or 1,1 kV grade in house wiring Low voltage cable. Explain/suggest? some use 1kV and some prefer 1.1kV grade insulation low voltage cable why??

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What is the following which is printed on electrical appratuses like AC21 ,AC 23 , etc ?

1 Answers  

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What is CRT (Contact Resistance Test) for Isolators or Dis- connector Switches? Why we performed it & whats the Testing procedure.

1 Answers   Siemens,

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WHAT IS MEANT BY OVER EXCITATION IN GENERATOR TRANSFORMERS? DESCRIBE IT.

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