Answer / karthik

copper losses depends on current and core loss depends on
voltage. either of losses dont depends on powerfactor. This
is the reason why transformer rating is always in kva not kw.

Answer / dheeraj dubey

AT THE TIME OF MANUFACTURING WE DONT KNOW THAT WHAT TYPE OF LOAD WE ARE GOING TO APPLY. IT MAY BE INDUCTIVE, RESISTIVE OR CAPACITIVE

How to select a D.G set for calculated load of 110kW..?

7 Answers   Shakthi Power Systems,

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my 10 hp submersible pump is tripping when connected through ELCB.I have checked the megger value of the coil's with body.It was found to be 0.2mega ohm.that is leakage is there.But when connected to mccb it is not tripping.no leakage current in the motor.Is it safe to connect to mccb? what are the problem's will arise if future?also tell me in ELCB no neutral is connected to motor.than how ELCB was working?

1 Answers  

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Why we are using LA Rating 10kA in 66 kv substation

1 Answers   L&T, NMDC,

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what is the harmonics? which harmonics(fundamental and reference) is suitable for calculating capacitor bank and Active filter and passive filter? what is the 1st 2nd 3rd 4th 5th harmonics and effects?

1 Answers  

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why we can choose induction machine in wind mill? why can`t use synchronous machine?

3 Answers  

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Is there any relevant technique to produce power from light and heat energy of the sun simultaneosly from same rays of light?

0 Answers  

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How can we calculate C10 rating of a bttery from c5 or c20 ratings??

1 Answers   Intel,

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Why is remote backup preferred to local backup?

0 Answers  

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AC covered area by ton calculation

2 Answers  

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Why Delta Star Transformers are used for Lighting Loads.

6 Answers  

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what is unbalanced rotating magnetic field?

1 Answers  

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Does dry and oil transformers both require dedicated neutral, because in my project we are using 2500kv dry star delta transformer, where they say neutral not required and even it is not provided in our substation. can u let me know

2 Answers   Voltas,

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