Answer / santhosh (sggi)

Insulation failure of machine coil due to over load,
It can be prevented by using better cooling arrangements
and overloads.

Answer / chand

most common reason is failure of coil insulation due to heat and ageing factor.

What does CDG,CDAG,CAG,VAJ,VAJH,VTT,VAZ,VAA etc. stands for in case of relays and can anyone answer to decode this codes C,V,D,G,A,X,TT,J,JH etc

4 Answers   HNL,

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what r the types of transmission line?

28 Answers   DIET, RRB, WAPDA Water and Power Development Authority,

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differtiate between energy consevation and energy efficiency..

1 Answers   L&T,

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While testing the value of the resistance for the earthing rod, two auxillary rods are connected to the earthing tester.What is the working function of a earth tester?

0 Answers  

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suppose we using 3 phase motor of 440 v means what range of C.T. is require for measuring current , the rating of motor is 1HP ?

5 Answers  

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what will happen if transformer given dc input

5 Answers  

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what is the difference between the megger and multimeter operation ?

3 Answers  

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what is 400kv doble circuit quadpole tower?

0 Answers  

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What is Specific Gravity of the Electrolyte used in Lead Acid Battery????What is Unit????

7 Answers   Emerson,

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What are the different types of transformers present in the Transmission and Distribution system?

2 Answers  

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For a CT the number of turns in the primary winding is.........

5 Answers  

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What range of speed can you get with the field control method of speed control of d.c. Shunt motor?

0 Answers  

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