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
6210 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

Draw a wheatstone bridge circuit showing supply, meter and 3 wire RTD connection

0 Answers CCIE,

Explain about signal isolator

1 Answers TCS,

What is TMR

3 Answers

what is the criteria to decide conductor size of a cable ?

0 Answers

why we use 4-20 mA to do calibration of the instruments.why we cant use 0-20 mA?

8 Answers Emerson, IEM,

I have a Control VAlve having size of 2 ".Only the known parameter is Pressure drop . Its 2 Kg. Then How to calculate control valve sizing means Cv.

0 Answers JSW,

Can Any body tell me about the Contact or Email id of any good Consultancy which help me to find a job in Instrumentation Field in India .I have Six years of Work Experience in the Same field.Please revert me back on shammi_gwalior@yahoo.com ?

0 Answers

What is MLFB number for Siemens?N How they are defined?Give me Answer with example like take any Signal module....

1 Answers

What is intrinsically safe system?

0 Answers

is here anybody who knows how to calibrate the pressure transmitter? ONLINE

5 Answers

why we are using MARSHALLING PANEL? what is the role?

5 Answers

HI FRIENDS IHAVE QUESTION 1.WHAT IS PARTIALSTROKE TEST?WHY IT IS USED ON ESD ON OFF VALVES?

3 Answers KNPC, Rotork,

For more Instrumentation Interview Questions Click Here