Do you know the faults occurs generally in motors and how
to rectify them?

Answer Posted / kannan

1. Over load tripping - Reset OL relay.
2. Ball bearing failure - To be identify by heavy noice and
offton tripping & Over heat - Change bearing.
3.Monthly once clean the body of the motor. cooling will be
better.
4. Winding problem. - Check by megger of multi meter.
Rewinding to be done.
5. Over load relay itself problem some times.

Is This Answer Correct ?    4 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

State superposition theorem?

780


What is the use for cable entry in control room?

806


What is nyquist contour?

842


What is resonant frequency?

819


What is earth?

1880






What is the reason for using a GE G101 MCB in place of an EP102 MCB if both are capable of AC circuit protection?

2286


What is the loss of power of transformer 220kv/33kv,63/80mva of % imp12.05 at 80%load

1506


why need to be maintain power factor for industrial customer?

4274


The sodium vapor lamp is not glows when it is connected a distance of 5 meters above from gearbox, why ?

3294


what is the difference between switch yard to residential area.and how much required it.

1370


who invented active elements? plz give me the complte details of active elements...

1512


Why we are going for converter transformers for DC drives application instead of distribution transformer?

1545


distribution is maximum done by a)radial b)network c) parallel d)b & c

1576


why do we not use equivalent voltage source in negative sequence equivalent ckt.

1698


how to compare with Relay settings for HT< panels, RMU panel, and PSS CSS transformer?? 1) Load amps, 2)Tripping time, 3) CT ratio, 4)Cable size 5) Transformer KVA rating 6) transformer full load amps

845