期刊
ELECTRICAL ENGINEERING
卷 105, 期 1, 页码 175-192出版社
SPRINGER
DOI: 10.1007/s00202-022-01651-z
关键词
Hydro Thermal Unit Commitment (HTUC); Demand Response (DR); Mixed-Integer Linear Programming (MILP); Electricity markets
This paper formulates the HTUC problem as a MILP model, taking into account the models of both hydro and thermal units. It also introduces the concept of DR to regulate the energy market, and the simulation results show the effectiveness of the proposed method.
Hydro Thermal Unit Commitment (HTUC) is an issue of concern in current power systems due to various technical and economic concerns. HTUC is a problem with a large number of decision variables and nonlinear complex constraints which may not be readily solved. Therefore, in this paper, HTUC problem is formulated as a Mixed-Integer Linear Programming (MILP) which requires less computational effort and is solvable even for large-scale power systems. In this MILP problem, the models of both hydro and thermal units are considered with a closer look at practical limitations of actual operating conditions along with other common limitations. Besides, the presence of Demand Response (DR) has a significant impact on the market outcomes and commitment of generation units. Hence, this paper has incorporated the DR in a HTUC problem for the energy markets environment based on the concepts of price Responsive Demands (RDs) and Demand Response Service Providers (DRSPs) as one of the contributions. In order to evaluate the correctness and effectiveness of the proposed model, the method has been implemented on IEEE 118 bus system. The simulation studies show satisfactory results.
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