Why attemperation is required in HRSG in a combined cycle
power plant?

Answer Posted / sitaram singh .bonduli

As the steam generated in HRSG shall be routed to the main steam pipeline of steam turbine , it should meet the design criteria (Design temp) hence The attemperation serve the purpose when Rapidly varying load conditions takes place.

Is This Answer Correct ?    10 Yes 3 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

dear sir i have completed one year post diploma certificate in thermal power engineering from national power training institute durgapur ...plz suggest me for power sector job

2072


What is LB-SR.

2489


what is natural frequency of turbine shaft .

1731


How do you consider that you can improve and what assistance do you need to achieve this

1336


Why superheated are started before I'd and rd fan?

1696






what is restricted earth fault explain in details

1628


Qatar Fertiliser Company (QAFCO) Shortlisted me for interview (got the intel from my source) for Field Operator- Utilities post. Please let me know what kind of questions they asked? ... this position requires 5 years of experience in Power Plant and background Diploma in Electrical/ Mech. ... my Background is Electrical and I am a sub Assistant Engineer (Operation) at a private HFO based Power plant... PS: Please Let me know what preparation should I take to obtain the Interview which will be take place In Bangladesh soon

1771


what is the trip circuit supervision in an electrical meaning?

1447


how to differentiate between "ALL fuel lost" and "All Fuel Lost" in Boiler MFT condition?

1237


explain how the third harmonic content of the magnetising current affects transformer design

2773


can dp type level transmitter work in under vaccum condition

1543


We have Demin Closed cooling water system with expansion tank for cooling oil system. Expansion tank having N2 bladder. Whenever N2 bladder bursts out, Closed cooling water circuit pressure drops and make-up happening, eventhough there is no leaks. And how Circuit pressure drops?

1435


can u please tell me how to calculate the concrete quantity for a under reamed pile? r=300mm,depth=3m for a cylinder and for bulb l=.750mm,width=.525

1280


what's the moog valve

1057


some one can tell me how residual type excitation is provided through transformers to an AC generator without any battery or PMG&excitor

1950