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- Title
Combined heat and power-optimal power flow based on thermodynamic model with associated petroleum and wet gas utilization constraints.
- Authors
Pujihatma, Priambudi; Hadi, Sasongko Pramono; Sarjiya; Rohmat, Tri Agung
- Abstract
Oil fields produce associated petroleum and wet gas, which can be mixed with commercial natural gas as fuel. Associated petroleum and wet gas are a low cost, low quality fuel, whereas commercial natural gas is the opposite. Two parameters are affected by this mixture: the fuel cost and the power – steam output of gas turbine – heat recovery steam generators. This research develops a Unit Commitment and Optimal Power Flow model based on Mixed Integer Nonlinear Programming to optimize combined heat and power cost by considering the optimal mixture between associated petroleum - wet gas and commercial natural gas. A thermodynamic model is used to represent the performance of gas turbine–heat recovery steam generators when subjected to different fuel mixtures. The results show that the proposed model can optimize cost by determining the most efficient power – steam dispatch and optimal fuel mixture. Furthermore, the optimization model can analyse the trade-off between power system losses, steam demand and associated - wet gas utilization.
- Subjects
WASTE heat boilers; GROUNDWATER flow; NATURAL gas; COGENERATION of electric power &; heat; PETROLEUM; STEAM generators; NONLINEAR programming; GAS as fuel
- Publication
International Journal of Electrical & Computer Engineering (2088-8708), 2019, Vol 9, Issue 1, p42
- ISSN
2088-8708
- Publication type
Article
- DOI
10.11591/ijece.v9i1.pp42-54