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

iam using DM 3251 voltmeter(1 percent accuracy)for 11KV system PT ratio is 11KV/110V.can anybody explain what is the max and min voltage deviation.

1743


what is the purpose of shading ring or shading coil in electrical equipments.

3949


are there rmu for 3 transformer?

1415


In EB metering we face problem kva jump even in no load condition.can any one help to control this

1362


what is EIB lighting control system? what is the advantages of this system?

3196






How can we calculate the efficiency of a Running (On-Load) Motor ? What parameters are required and what is the method ?

1519


how power is generated,and transmitted to our home..pls explain briefly in simple words.

1771


Why transformer used in UPS??

1026


what is the common earth

624


how many joints are allowed in underground HT cable of 1 KM

1353


Can you explain about Restricited earth fault protection scheme

1398


How we can recongnise the phase displacement of transformer connection between primary & scondary...plzzz explain it with example.........

1932


What is Fire Panel ? How it works ?

1583


what are the assumptions made in swineburne's test?

1682


What is the slip speed?

655