Optimal energy management in microgrid including stationary and mobile storages based on minimum power loss and voltage deviation

Sharma, Pavitra; Mishra, Puneet; Mathur, H. D.

doi:10.1002/2050-7038.13182

Cited by 10 publications

(2 citation statements)

References 44 publications

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“…The grid power flow P t G is bidirectional and is expressed by (9). The grid power acts as a source for the MG to satisfy the load demand, and as a sink when there is an excess renewable power generation.…”

Section: Grid Power Modellingmentioning

confidence: 99%

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Improved Energy Management Strategy for Prosumer Buildings with Renewable Energy Sources and Battery Energy Storage Systems

Sharma,

Kumar Saini,

Datt Mathur

et al. 2024

Journal of Modern Power Systems and Clean Energy

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The concept of utilizing microgrids (MGs) to convert buildings into prosumers is gaining massive popularity because of its economic and environmental benefits. These prosumer buildings consist of renewable energy sources and usually install battery energy storage systems (BESSs) to deal with the uncertain nature of renewable energy sources. However, because of the high capital investment of BESS and the limitation of available energy, there is a need for an effective energy management strategy for prosumer buildings that maximizes the profit of building owner and increases the operating life span of BESS. In this regard, this paper proposes an improved energy management strategy (IEMS) for the prosumer building to minimize the operating cost of MG and degradation factor of BESS. Moreover, to estimate the practical operating life span of BESS, this paper utilizes a non-linear battery degradation model. In addition, a flexible load shifting (FLS) scheme is also developed and integrated into the proposed strategy to further improve its performance. The proposed strategy is tested for the real-time annual data of a grid-tied solar photovoltaic (PV) and BESS-powered AC-DC hybrid MG installed at a commercial building. Moreover, the scenario reduction technique is used to handle the uncertainty associated with generation and load demand. To validate the performance of the proposed strategy, the results of IEMS are compared with the well-established energy management strategies. The simulation results verify that the proposed strategy substantially increases the profit of the building owner and operating life span of BESS. Moreover, FLS enhances the performance of IEMS by further improving the financial profit of MG owner and the life span of BESS, thus making the operation of prosumer building more economical and efficient.

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Section: Grid Power Modellingmentioning

confidence: 99%

“…The life span of BESS is mainly determined by various components such as depth of discharge (DOD), charging/discharging cycles, and environmental conditions [9]. For any of the BESS applications, maximizing the DOD reduces the energy storage capacity and thus increases the number of cycles.…”

Section: Introductionmentioning

confidence: 99%