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Optimal Thermal Unit Commitment Scheme by Including Renewable Energy Sources and Pumped Hydro Energy Storage: Case Study of Niamey Power System, Niger
Authors: Issoufou Tahirou Halidou, Mohamed Elsayed Lotfy, Atsushi Yona, Tomonobu Senjyu, Abdoul Aziz Ibrahim
Number of views: 668
This paper presents a novel real multi-objective approach for thermal unit commitment
(UC) problem solution in Niamey (Niger). The proposed methodology consists of four conventional
thermal generating units and imported power from a neighboring country in addition to future
inclusion of Photovoltaic (PV) power, Wind Turbine Generators (WTGs), and Pumped Hydro
Energy Storage (PHES). Minimization of total daily operating cost and decreasing the maximum
daily mismatch between load demand and generation are considered as two objective functions
in two cases. In the first case, UC with thermal units considering the imported power (IMP), PV
and PHES is determined. In the second case, WTGs are introduced and the IMP is removed in
order to get rid of its economical and political problems. ε-MOGA (epsilon Multi-Objective Genetic
Algorithm) is used to obtain an optimal unit commitment problem solution with consideration
of PV, WTGs and PHES. The effectiveness and robustness of the proposed scheme is verified by
numerical simulations using MATLAB environment.