why need 3 element system in power plant?
if it is not there then what l happen?
Answer Posted / kmns kiran
Three element control is just for better controlability of drum level with feed water incoming flow, steam output flow & drum level
In case of any bad signal from feed water & steam flow (BDQ) , then control will go to single element drum level control.
Plant will not trip
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
Sir , i have completed my M.Sc In Instrumentation and presently working in Maintenance department 3 yrs Exp , is there is any possible for work in offshore ..
Sir, I want junior executive, Instrumentation question papaer for IOCL, Plz send to arabinda.ghosh83@gmail.com
I want to know the questions asked in ONGC interview(after being selected in the written exam) for Instrumentation branch.Kindly help.
i have used level transmitter in starch cooking preparation tank. tank total height 2mtr.sometime LT display shows some error value when tank is fully empty and diaphragm side i already checked okay no problem in diaphragm area. field cable checked 24volt and mA shows correct value while tank empty mA is 4mA. 4mA i needed that 0% but display showing 10% or 15% percentage values are varying continously please give any good solution for me.....
What is offset in a control system.
What is shielding effect?
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.
what is use of communication wire in multipare cable(oil and gas field), why this communication wire not used in single pair cable?
1.what is the power consumption of three element drum level control in sugar industries? 2.how to reduce that?
What is difference between radial vibration and axial vibration explain in detail .
what is the reset offset and control system in instrumentation
which type of zones used for boiler? & why ?
why use 50% lel methane gas concentration for gas detector calibration instead of 60% lel gas concentration whereas the hi alarm set at 60% lel.
How to Calibrate Level Troll in field
What are primary elements of measuring pressure?