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.

Does the hysteresis loss is due to retentivity property of the material? or it is due to reluctance property?

2 Answers  

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what is the difference between direct loading and indirect loading?

1 Answers  

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i want to apper for apgenco or aptransco or related can any one sugest me where can i get previous papers of thouse exams

0 Answers  

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Dyn1 transformer vector group testing how to do

0 Answers  

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how can we run the induction motor at 9000 rpm ,by keeping frequency constant??

2 Answers  

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we are operationing 3NOs 800 Kva generators by singronyus.specialey evening time our panel trip. the panel showing generator earth fault

4 Answers   RRB,

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When generator connected, the circuit ELCB exploded. What is the reson?

3 Answers  

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what is H.T?specify the range?

6 Answers  

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Is any AC drive(VFD) had a feature of DC injection braking? if available please mention the detail. i.e drive can supply braking torque when the motor in idle state.

0 Answers  

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where any change in supply line due to the incipient faults in three phase induction motor

2 Answers   ABB,

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what is KSR type transmission tower? What is LSR type transmission tower?

0 Answers   Ford,

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Will sag depends on the Specific Resistance of the conductor?if not Why??????????

2 Answers   BARC,

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