Answer / randhir singh

To control steam temperatur during flue gas temperature variation and rapidly varing load condition.

Answer / kanawar

To control steam temp when flue gas temp is vary.

Answer / keyur donga

when the main steam temprature is goes high At varying load of the HRSG At this this time We maintain the Steam temp by using attempration in HRSG.

Answer / 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.

Answer / murali

for control steam temp and to avoid secondary super heater coil metal temp high. becoz secondary coil location is near flue gas out from gas turbine. this gas temp around 620 degree Celsius

Answer / santosh dhange

attemparation used to Control the Temperature of Super heater, to work within the design parameter.

Answer / baskaran

During gas turbine load reduce time, HP superheater temperature going to high temperature at that time Attamperator using in between HP superheater 1 &2.

Answer / gaurav kumar

Dear Sir,
Pls Check the Answer in question paper in right answer & wrong ans key send me my mail .

Answer / sunil

In CCPP secondary superheater coils are located near to flue gases and exhaust of gas turbine enters boiler . Exhaust of GT are at high temp around 600C

Answer / jayanta madhab

Attemperation required to protect costly superheater and
evaporator tubes from overheating during flue gas
temperature variation.

By any way can we increase the B check hours from 300 to 500

0 Answers  

what's interlock relay ?

3 Answers   International Mega Food Park Limited, National Power Training Institute NPTI,

What is difference between Actual Drum Level and Compensated Drum Level?

2 Answers   DVC,

What is Droop Control in Woodward?

3 Answers  

In a coal fired boiler furnace temp. is high but super heater out let temp. low what reason for this?

6 Answers   ABB, Essar, Gayatri,

voltage and frequency is equal but synchronisation not complete why?

1 Answers  

1.what is the reason for transformer and lightning arrester blast in 33kv system

1 Answers   Afghan Telecom, Integra, Sanghi,

why oil filled transformers will be with explosion and fire often?

1 Answers  

1 TPH how many Megawatt ?

5 Answers   Pioneer Labs, PSAL,

what is IR in differential test on motor?

2 Answers   Adani, Adani Power,

I want to build 100 megawatt hydel dam. What does mean, 100 MW per hour? then how many electric bulb of 100 Watts the dam would lit?

1 Answers  

What will happen if id fan on boiler not functioning?.Can the Boiler run without id fan? What is the effect?

4 Answers