We have .ht motor which is 60Hz.we run on 50Hz.so that it's speed reduce

We have .ht motor which is 60Hz.we run on 50Hz.so that it's speed reduce
but we had one prob.that motor winding temp increase up to 135 deg.we
want reduce this temp.what to do?we arrange ext.cooling fan but not much
effect.we want reduce this temp. Inhouse without affecting much.cost. also
don't want reWINDING OF MOTOR?

Question Posted / tushar shah

3 Answers
4841 Views
I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

We have .ht motor which is 60Hz.we run on 50Hz.so that it's speed reduce but we had one prob...

Answer / k.prakashchandra

You may have to reduce the load more till you get the
desired temp rise

Is This Answer Correct ?

1 Yes

0 No

We have .ht motor which is 60Hz.we run on 50Hz.so that it's speed reduce but we had one prob...

Answer / k.prakashchandra

As you have reduced the speed ,the cooling effect of the
shaft mounted cooling fan is also reduced .Either you have
to reduce the load by about 10% or replace cooling fan .

Is This Answer Correct ?

0 Yes

0 No

We have .ht motor which is 60Hz.we run on 50Hz.so that it's speed reduce but we had one prob...

Answer / r c thakur

You have to increase the surface area of the motor,the
radiator fins can be introduced,

Is This Answer Correct ?

0 Yes

0 No

Post New Answer

More Electrical Engineering Interview Questions

What is correction factor in Tan delta test?

1 Answers

what is the difference between indoor package substation and outdoor

3 Answers

what is creepage distance

2 Answers

What is A.C Resistance for Earthing ?

2 Answers

What is Phase margin?

0 Answers

HOW TO SIZE THE TRANSFORMER OR WHAT ARE THE STEPS INVOLVED IN FINDING THE SIZE OF THE TRANSFORMER FOR GIVEN LOAD SAY 2000KW ?

1 Answers

What is process of anneling transformer core

0 Answers

what is the difference in MCB, MCCB, RCCB, ELCB, & MPCB (motor protection circuit bracker)

12 Answers Afcons, Bhel, CIHSR, DCS, IOCL, L&T, Lupin, Siemens,

In all analog voltmeters or ammeter showing some small size symbols. as well as a star and in star 2no. digit, resister symbol,and other. what is that's meaning ?

0 Answers

what is stay bow?

2 Answers

Does magnetomonopoles exists? one maxwell equation strongly suggests no, but how about their existance in plasma?

0 Answers

why we do 2 types of earthing on tranformer ie:body earthing & nutral earthing , what is function. i am going to instal a 5oo kva tranformer & 380 kva DG set what should the earthing value

8 Answers Altrion Technologies,

For more Electrical Engineering Interview Questions Click Here