No load efficiency of transformer is ___________ than full load efficiency

2 Answers   PGCET,

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how df/dt relay operates & how it works?

1 Answers  

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Can a generator rated 400 V, 60 Hz be used in a 50 Hz System? Yes or No ? Why ?

1 Answers   VECL,

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what is polarity in ac system? and how do identified?

1 Answers  

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How do you change an AC motor to DC? why there is only 50 Hz frequency in india & not other?

4 Answers   BSF, TATA,

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How we calculat the NGR of 3phase Generator, Our generation voltage 11KV

0 Answers   MSP, Toyo Denki,

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15hp,380v,31amp,3-ph submersible motor run at 250v what is The temperature rise of submersible motor

1 Answers  

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Why frequency fix in 50 Hz?

6 Answers  

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Why in celling fan stator are rotatig while rotor are steday

6 Answers  

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Is it possible to measure correct value of earth resistance & cable insulation ristance with out disconncting earth lead & both sides of cable ends? If not, any other method to measure ER & CIR with out disconneting from the system.

0 Answers   HAL,

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Sir, Please tell me that how I will calculate the efficiency of rectifier. Because input is ac and output is dc. Is it right to put two unlike signal together.

2 Answers  

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In my project i am layout cables under the Maintainance bay /Maintainance yard in the TG Building. Whether in this route i can lay the H.T.Cables??? i am taking all H.T cables from the H.T Transformer to the TG Building..

1 Answers  

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