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
4958 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

what is difference between profibus and field bus?

1 Answers

Can we use twisted pair cable instead of ethernet for communication?

1 Answers Yokogawa,

what will happen if transmitter wire get shoted?

2 Answers Sabic,

why we use npn sensor in vibration monitoring system

1 Answers

What is the meaning of slope in PH transmeter?

1 Answers Uttam Sugar,

Are Coils of Electromagnetic flowmeter in direct contact with fluid material

4 Answers TATA,

Hi..i am B.E. (elect.&comm.)..i m workini in a bio mass power plant as inst. Engg. I want 2 know about growth in big power plant sector..is this field is good 4 me ..i m electronics engg..? Plz plz reply..

2 Answers Reliance,

What is the definition of direct acting valve & reverse acting valve

2 Answers

Hello friends i need check lists of different instruments during the Erection and commissioning in thermal power plant.Please help me.My Mail id is naba02222@gmail.com/naba02222@rediffmail.com Thanks Nabakishore Biswal

1 Answers

what is meaning of static pressure

4 Answers Ambuja,

two common seiling liquid used in seal pots are:

1 Answers Thermax,

how do we commission inergen system?

0 Answers

For more Instrumentation Interview Questions Click Here