what are the reasons for overheating in electrical machines?




Answers were Sorted based on User's Feedback



Answer / viraj

1.higher load
2.could be some jamming problem in shaft
3.it could be single phasing
4.motor winding i2r loss
5.it may be insulation damage

Is This Answer Correct ?    3 Yes 0 No

Answer / jagmohan singh

1. Loose connection.
2.cooling fan not available.
3. Bearing life over.
4.one phase missing.

Is This Answer Correct ?    0 Yes 0 No

Answer / k.prakashchandra

Cooling vs heat generated

Is This Answer Correct ?    0 Yes 6 No



Post New Answer



More Electrical Engineering Interview Questions

why transmission voltages are in multiple of 11kv?

10 Answers  


why are transformer rating in MVA

2 Answers   Suzlon,


what happens if power factor is maintained at 0.9?give me the answer in technicall way rather than telling the penality n all

5 Answers   NCC,


Which fault is caused by lightening and thuderstorm a. Line to line fault b. Single line to ground fault c. Double line to ground fault

1 Answers  


what is slip?

3 Answers  


How shall i design a liquid rotor starter

0 Answers  


what are the affects of loose connection in electrical circuit.

13 Answers   HP,


if the syncronous machine run at leading pf and as its field curret increased its armature current decreased is machine operate as generator or motor?

1 Answers  


What is EOL?

1 Answers  


how can i select the cable ratings

4 Answers  


difference between main metering kiosk and check metering kiosk

0 Answers  


A 40 kva transformer has a core loss of 400W and a full load copper loss of 800W. What is The proportion of full load at maxmimum efficiency?

1 Answers  




Categories
  • Civil Engineering (4551)
  • Mechanical Engineering (3668)
  • Electrical Engineering (15585)
  • Electronics Communications (2623)
  • Chemical Engineering (714)
  • Aeronautical Engineering (78)
  • Bio Engineering (30)
  • Metallurgy (95)
  • Industrial Engineering (197)
  • Instrumentation (2846)
  • Automobile Engineering (135)
  • Mechatronics Engineering (41)
  • Marine Engineering (60)
  • Power Plant Engineering (162)
  • Engineering AllOther (1321)