Answer / subra

first my qualifications & experiance
second my knowledge & attitude

WAT IS MEANT BY COLD AND HOT START OF A MOTOR?? HOW DOES IT AFFECT A MOTOR'S PERFORMANCE??

4 Answers  

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why can we use cosine wave instead of sine in ac supply as both have same rms vale and ripple factor

0 Answers   Indcoil Transformers, Power Grid,

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what is PDU in transformer?? which company manufacture??

0 Answers  

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What is the percentage loss for aluminium wire for HT line more than 11KVa

0 Answers  

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in a three pin socket y the pin of earthng is longer n bigger...?

3 Answers  

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how much mininmum length required to conduct a DC Hipot Test on 33kV AC Cable with 45kV DC? Is it 20meter or Less then 20?

0 Answers   ABB,

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URGENT PLEASE//////////A WORK SHOP IS HAVING A 100 KVA TRANSFORMER 11KV/415 VOLTS, AND THE CONNECTED LOAD OF THE WORK SHOP IS 80 KW WITH INDUCTIVE LOADS, LIGHTING LOADS,ETC., HOW MANY EARTH ELECTRODES ARE NEEDED AND WHAT IS THE EARTH RESISTANCE OF EACH EARTH ELECTRODE AND COMBINED EARTH RESISTANCE in normal soil. AT 11 KV SIDE AND AT LT SIDE. HOW TO CALCULATE.

1 Answers  

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What is NDR in HT capacitor panels.

2 Answers  

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Our Company's Contract Demand is 110 kVA. We use 12 Capacitors each of 12.5 kVAr Capacity to maintain Power Factor of 0.99. So, what steps should we take so that our Contract demand does not exceed 110 kVA?

1 Answers   Jindal,

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When the DG is running at the time we can connect to capacitor banK? why it is required or not

1 Answers  

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is the value of inductance depends upon the value of thitha in doubly excited machine??

0 Answers  

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How to covert the ac to dc and how to control the dc output?

3 Answers   ABB,

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