why does chattering take place in ac contactors?
can it be avoided & what care does the manufacturer take to
eliminate this phenomenon????
Answer Posted / korra
Can be either one of these;
1) Low voltage condition.
2) Improper armature alignment.
3) Broken shading coils.
Is This Answer Correct ? | 3 Yes | 0 No |
Post New Answer View All Answers
If Polarization index of motor 8.75 at 500volts of medium voltage 4.16 KV motor what this mean winding good or bad pl answer if any reffrence book give me the link
Greeting to all members, How to calculate spill current when we have different ratio CT and Class for REF(Low Imp) I have 500/1A 5P20 @line side n 400/1A CL.X @ Neutral.
Starting current of a 10 HP induction Motor is ______ time’s full load current.
How to calculate total harmonic distortion level(THD) in VFD? and how can we reduce harmonics?
how to minimize earth resistance upto 2Ω, if the resistance is 6 Ω ?
Testing report of Earthing of 3.15 MVa PTR.
what is the circulate the diesel in DG in side pls tell parts name and picture with circulate the diesel
When the relative speed between the magnetic fields of stator and rotor does is zero under steady state operation?
how much leakage current is allowed in MC61A L&T make relay?
If I want to lift the water at a height 50m from ground level through two inch(diameter) metal pipe then what is the capacity of motor pump is required? is it possible in single phase supply or not?
the problem faced on star or delta winding connection??
please give some hindalco placement papers for written exam
what is rocking arrangement in arc heating
how to compute kvar in substation feeder to improve power factor and sending voltage
what is the necessary of using inductance property in transmission lines even through resistance is used to opposes the high current flows in that?????