Unit commitment problem of power system with plug-in electric vehicles
2012
The electric vehicle (EV) has become a popular topic because of the increasing scarcity of energy sources and growing environmental pollution. Unit commitment (UC) with plug-in hybrid electric vehicle (PHEV) for cost optimization is presented in this paper. The profile of charging load and vehicle-to-grid (V2G) power of PHEV is forecasted, and various scenarios with different PHEV control strategy are simulated. Quantuminspired binary particle swarm optimization algorithm with heuristic strategy has been employed to solve the UC problem. Results show that PHEVs will significantly affect the UC problem. PHEVs bring on new load demand to power system, which will increase the generation cost. However, the coordinated charging strategy and reasonable usage of V2G power can reduce the generating cost. Streszczenie. W artykule przedstawiono problem optymalizacji kosztow ladowania pojazdow elektrycznych (ang. Plug-in Hybrid Electric Vehicle) pod wzgledem doboru jednostek wytworczych. Badaniom poddano rozne metody regulacji przeplywu energii do ladowania odbiornikow w postaci pojazdow elektrycznych. Wykazany zostal wplyw nowego rodzaju obciązenia na zwiekszenie kosztow wytwarzania energii. (Problem zobowiązan energetycznych jednostek wytworczych w systemie energetycznym, zawierającym podlączane pojazdy elektryczne)
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