Abstract
The demand response and battery energy storage system (BESS) will play a key role in the future of low carbon networks, coupled with new developments of battery technology driven mainly by the integration of renewable energy sources. However, studies that investigate the impacts of BESS and its demand response on the adequacy of a power supply are lacking. Thus, a need exists to address this important gap. Hence, this paper investigates the adequacy of a generating system that is highly integrated with wind power in meeting load demand. In adequacy studies, the impacts of demand response and battery energy storage system are considered. The demand response program is applied using the peak clipping and valley filling techniques at various percentages of the peak load. Three practical strategies of the BESS operation model are described in this paper, and all their impacts on the adequacy of the generating system are evaluated. The reliability impacts of various wind penetration levels on the generating system are also explored. Finally, different charging and discharging rates and capacities of the BESS are considered when evaluating their impacts on the adequacy of the generating system.
Highlights
Energy storage system (ESS) and demand response (DR) programs are widely accepted as key factors in the future of low carbon energy networks [1,2]
This paper showed that the combination of the DR and battery ESS (BESS) can improve the adequacy of generating systems significantly, because DR reduces peak load and BESS smoothens fluctuating wind power
The sequential MC (SMC) simulation method was implemented to capture the chronological elements of the adequacy assessment on the considered generating system, which includes wind power, BESS, and DR model
Summary
Energy storage system (ESS) and demand response (DR) programs are widely accepted as key factors in the future of low carbon energy networks [1,2]. In the UK, discussions about the capacity market and similar schemes are becoming increasingly open to both ESS and DR [3] Despite this situation, only a handful of studies have investigated the impacts of ESS and DR programs on the adequacy of power systems [4,5,6,7]. The power reserve and operating capability of the grid and, system reliability and stability are increased Despite this situation, the use of ESS to store electricity remains an ineffective approach. This paper proposes a novel study that jointly investigates the impact of DR and BESS on the adequacy of generating systems incorporating wind power.
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