Thermo-environmental Performance Analysis of NG Fueled GT based Co-Generation Plant: Indian Perspective

6 Pages Posted: 22 Mar 2019

See all articles by Pradip Mondal

Pradip Mondal

National Institute of Technology, Sikkim

Samiran Samanta

KIIT UNIVERSITY

Swapan Das

Independent

Date Written: March 22, 2019

Abstract

Present study focuses on the plant modeling and thermo- environmental analysis of a natural gas (NG) fired co-generation plant for Indian perspective. The plant consists of an integrated gas turbine (GT) cycle and a heat generation cycle (in terms of steam). Thermodynamic analysis is carried out by varying the GT cycle’s compressor pressure ratio (rp=4-20) and GT inlet temperature (TIT=900, 1000 & 1100oC). The study shows that the plant can deliver a wide range of power output of about 80 MWe to 160 MWe, depending on the operating condition. Heat output from the plant is also enormous, ranging between 140 MWt and 400 MWt. Combined power and heat output performance from the plant is measured in terms of fuel energy savings ratio (FESR). It is observed that maximum value of FESR is about 50%, at higher TITs. Electrical specific NG consumption also ranges among 0.3-0.5 kg/kWeh, depending on the operating conditions. Exergy analysis shows that, maximum exergy destruction occurs at the combustion chamber. Furthermore, environmental performance of the plant shows the specific CO2 emission from the plant lies between 0.5-1 kg/kWeh.

Suggested Citation

Mondal, Pradip and Samanta, Samiran and Das, Swapan, Thermo-environmental Performance Analysis of NG Fueled GT based Co-Generation Plant: Indian Perspective (March 22, 2019). International Journal of Computational Intelligence & IoT, Vol. 2, No. 3, 2019, Available at SSRN: https://ssrn.com/abstract=3358374

Pradip Mondal (Contact Author)

National Institute of Technology, Sikkim ( email )

Ravangla
India
+919475418791 (Phone)

Samiran Samanta

KIIT UNIVERSITY ( email )

Bhubaneswar-751024
Orissa
Bhubaneswar, 751024
India
9734850956 (Phone)

Swapan Das

Independent ( email )

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