Answer / k.prakashchandra

Impedance and back emf are reduced

Answer / purushotham polyreddy

when high currents produced temperature of the windings has
been increased when the temperature over the steady state
state temperature the insulation of the winding is melt
finally insulation will break so the windings are shorted

Answer / syed mudaser ahmed

In case of step down transformers secondary winding is more than primary winding , so on the basis of amount of secondary winding burned the voltage transformation gets increased from primary winding to the secondary winding.

which is the most common harmonics 3rd,5th,7th affect the systegm

4 Answers  

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What is advantages of ungrounded neutral?

2 Answers  

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why current flow throgh conductor.

2 Answers  

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What is the Maximum Power generation capacity of a Synchronus Machine ??

1 Answers  

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Hi, I'm going to attend BHEL interview for exexutive trainee (ET ) on 22nd DEC . Till now if anyone attended the interview pls help me out regarding the interview. I'm an electrical engineer

3 Answers   Bhel,

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what is the material use in bus bar & why.

3 Answers  

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During Starter Panel Com missing I Found The Main Incomer 40Amp MCB 10KA Trip When Motor Change Star To Delta Motor Rating 20HP BUT When We Use Same MCB To Other Motor It Does Not trip Or What Is Necessaries for Star Delta Starter MCB SFU MPCB OR MCCB And What are The Breaking Capacity of MCCB in the Motor above 15HP

0 Answers  

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define ac reactor? thier application;

1 Answers  

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what is meant by surge? what we called for high currents?

0 Answers  

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PLEASE INFORM ABOUT THE IDEAL TEST RESULTS OF MAGNETIC BALANCE TEST OF TRANSFORMER 33/11 kv DELTA-STAR T/F

0 Answers  

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What are the layers of protection over armoured cables?

3 Answers   Accenture, IOCL,

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what is a difference b/w earthing & neutral?

5 Answers   ABB, KEC, Sterlite,

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