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?

Answer Posted / 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



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

HI SIR, AM PREPARING FOR RRB FOR SECTION ENGINEER POST. PLZ SEND ME THE PREVIOUS QUESTION PAPERS AND HELP ME. I HAVE NO ENOUGH TIME MY EXAM DATE IS 22ND JUNE.... MY EMAIL ID IS nalla.amarnath@gmail.com

1493


Why High voltage are generate noise ?

960


how commomn gate triggering is given for TRIAC ? other thyristor wont be efffected?

1917


1.25 kg of hydrogen are burnt with stiochiometric air, the mass of air in kg required is

1461


If a rotary UPS is in line through grid power; What would be the impact on Power Factor if the load through rotary ups is 25% , 50% , 75% & 100%. Will the power factor reduce with less load?

1424






Explain Circuit Breaker Trip Characteristics in detail.

1677


the grid connection required for a 50 MegaWatt fotovoltaic powerplant is higher or lower than 35kv (high or medium tension)?

1442


What happens if the negative to earth voltage is greater than positive to earth voltage in the battery of substation?

1100


what is DRP panels?

1684


How do apply electrical 'c'license......pls advice

1260


What aturn on methods of scr?

711


what is the pre charge circuit,what will be work which function it will be use plz tell me

1457


Why frequency changes due to load variation in power system ? i.e why when load increases frequency decreases?

1499


what are the differant std sizes of cable trenches?

1534


What is electrical diversity factor in electrical installations?

676