In most process, speed of motor controlled by control system with a reference

In most process, speed of motor controlled by control
system with a reference pot . Now if i start & it becomes
uncontrollable, i.e.gets directly start & stop after certain
time.Then which reasons can make such problem? can motor
may be faulty?how?

Question Posted / aygunjal

3 Answers
6111 Views
Siemens, I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

In most process, speed of motor controlled by control system with a reference pot . Now if i star..

Answer / manraj meena

no. this problem is not related to motor,it may be due to
pot get faulty (variable point).thats why it run only
constant speed.

Is This Answer Correct ?

3 Yes

0 No

In most process, speed of motor controlled by control system with a reference pot . Now if i star..

Answer / amit

Actually There May be two Reasons Behind the problem
1)The baring of the motor can't bare that much of Voltage
at certain long time.
2)Change in Voltage Can Burn the Winding.

Is This Answer Correct ?

1 Yes

2 No

In most process, speed of motor controlled by control system with a reference pot . Now if i star..

Answer / an70n

faulty or defective tacho generator

Is This Answer Correct ?

0 Yes

1 No

Post New Answer

More Instrumentation Interview Questions

why vortex flow meters and electro magnet flow meters are used in water treatment plants

1 Answers Elite Construction,

what is pt100 RTD, and does 100 stands for

8 Answers Tata Power,

what will happen if transmitter wire get shoted?

2 Answers Sabic,

For crude application in floating roof tank, how to calibrate a DP Transmitter? How is the floating roof weight considered?

0 Answers

A DP Endress and Hauser flow transmitter is always tripping pump at low flow. set point is 74 cubic meter/hr. Thorough impulse line flushing and zero calibration has been done, yet problem persists. What do you think is the problem and how do you rectify this fault?

5 Answers

What is hook's law

4 Answers

how can we understand about dcs "bailey infi 90 dcs system" . how its work how signal come from field how it process and how o/p creative by controller. how its cards work.the bsic principle of working of dcs

1 Answers

i feel sq. pipe is better than round pipe pls give comment for this. advance thanks for reply

3 Answers

Why not come out analog output in ABB EL3020 when display show correct value

0 Answers

what is intrument termination what is commisioning

3 Answers

1.how can calibration temperature transmitter and flow transmitter? 2.

0 Answers Gulf Jobs,

how can we calibate ph meter. how can we calibrat conductivimeter how can we calibrat massflowmeter & it s working.

1 Answers

For more Instrumentation Interview Questions Click Here