Why should we use the igniter in the sodium vapour lamp.

7 Answers   ABB, Delphi, Mudhra, NTPC, PICT,

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1. what type of winding of slip ring ac induction motor rotor and why. 2. how the heating element use in two phase (415 volt)and what rating of element, you prefered.

1 Answers   Simbhaoli Sugars,

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What is a dominant pole?

0 Answers  

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what is meant by impedance testing of transformer and why it is used

1 Answers   TATA,

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can we amplify dc signals.how can it be done

4 Answers  

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give me the details of anti pumping relay

2 Answers  

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can any one explain me the where is the use of plc and scada

4 Answers  

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when the motor was star position that is running ok but when the motor was delta it was tripped? why?

5 Answers   Nimbus, SEL Manufacturing,

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Assuming that a dedicated neutral earthing transformer is provided for each GT generator, when the two generators are running in parallel, has consideration been given that the earth fault current from one generator stator winding be split between the two neutral earthing transformers? If so, what adverse impact will this have on the operation of the 59N and 27TN devices?

0 Answers   Quest,

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What are different types of control systems?

0 Answers  

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What is a charge.?

4 Answers  

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what happen ehen synchronisation is done at below rated speed

0 Answers  

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