In our plant we are having 6.6 v motor wih MV drive running frm last two years

In our plant we are having 6.6 v motor wih MV drive running
frm last two years.udenly at some speed motor getting vey
vibrations what is the problem

Question Posted / anji_p27

Answers were Sorted based on User's Feedback

In our plant we are having 6.6 v motor wih MV drive running frm last two years.udenly at some spee..

Answer / anurag pattanayak

could be resonance...try skipping the critical speed...

Is This Answer Correct ?

0 Yes

0 No

In our plant we are having 6.6 v motor wih MV drive running frm last two years.udenly at some spee..

May be hunting (due to failure of damper winding)

Is This Answer Correct ?

0 Yes

0 No

More Electrical Engineering Interview Questions

If current and resistance in a circuit is increased by 20%, what will happen to its voltage drop??

The 3 phase Delta connection RB=440V, BY=350V,.......* is Line to Line voltage RY= ? And Formula....?

How to prepare electrical preventive maintenance plan & shedule of machine tools.

i have a motor 55kw how u will calculate cable specification for this motor

Stator of three phase induction motor creates Rotating Magnetic field.But why not Transformer?

at which voltage level arcing ground is occurs ??????????

i have a 1500kVA transformer what is the kWH meter i need to use?

why humming sound occured in HT transmission lines.

Why an ac systems are preferred over dc systems?

What is HVAC, PLS SEND DETAIL OF hvac.

what you mean by transformer neutral earthig

define the non synchoronism of synchoronous machine in general g or m??

For more Electrical Engineering Interview Questions Click Here