WHAT IS THE COMPLETE DEFINATION OF POWER FACTOR?HOW IT CAN BE IMPROVED?AND WHAT IS CAPACITIVE LOD AND INDUCTIVE LOADS

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As per the theory current doesn’t flows in Neutral, but practically it is not applicable, explain why?

2 Answers  

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why field winding is placed on rotor winding not on stator winding in case of synchronous machine?

13 Answers   HAL, TATA,

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why the starting current of a motor is high?

3 Answers   ITC Infotech,

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Showing results for capital, machinery, stock,wages, carriage in words, salaries, factory rent, repairs, fuel and power, buildings, debtors, sales, purchases, creditors, return outwords, return inwords, drawings, discount allowed, discount receivable, office expenses, bills payable, bills receivable, cash in hand, cash at bank, office rent comes under debit or credit

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Difference between MCC and PDB

3 Answers   BARC, CDS, NINL,

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HELLO EVERYONE, I RECENTLY HAVE FOUND ONE PROBLEM, I WAS TAKING NO LOAD TRIAL OF AN HT MOTOR 920 MOTOR , 1440 RPM , 6.6 KV, WITH AUTO TRANSFORMER. AT 450 V, LOAD WAS 40 AMP AND SPEED WAS 250 RPM. BUT AS WE INCREASE VOLTAGE FROM 450 TO 480V, LOAD BECOME 41 AND SPEED REDUCED TO SOME RPM . SO WHICH PHENOMENON ACTED HERE FOR REDUCING SPEED.?? AND IS IT HAPPENING ALWAYS OR IT IS RARE? I ALSO HAVE FACED SUCH PROBLEM WITH FEW LT MOTOR ALSO.

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Explain what is electric traction? Explain few advantages of electric traction system?

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Which system is best for industries 3ph 3w or 3ph 4w?

3 Answers  

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Which type of alternator used in power station?

2 Answers  

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6 MVA transformer secondary is rated for 725V at no load. The incommer ACB is rated at 690 V, 3200 Amp. Would there be any effect on performance of ACB due to lower voltage rating?

5 Answers  

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1. what is the meaning of bus? 2. what is the dc transformer? How it work 3.what is the function of the serge absorber? 4.How the CT and PT rating calculate/

1 Answers  

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