A Simple Sizing Algorithm for Stand-Alone PV/Wind/Battery Hybrid Microgrids

Jing, Li; Wei, Wei; Xiang, Ji

doi:10.3390/en5125307

Cited by 147 publications

(86 citation statements)

References 24 publications

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“…Energies 2016, 9, 651 3 of 15 generating units and the associated storage capacity in [33]. However, it requires the state of charge information of the battery in real-time.…”

Section: System Structurementioning

confidence: 99%

“…It avoids frequent energy fluctuation and improves the quality of output voltage, but does not take into account the coordination control of multiple DG units. For the optimal operation of hybrid microgrid [33,34], a simple algorithm is developed to determine the required sizing of generating units and the associated storage capacity in [33]. However, it requires the state of charge information of the battery in real-time.…”

Section: Introductionmentioning

confidence: 99%

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A Coordinated Control for Photovoltaic Generators and Energy Storages in Low-Voltage AC/DC Hybrid Microgrids under Islanded Mode

et al. 2016

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Abstract:The increasing penetration of renewable generators can be a significant challenge due to the fluctuation of their power generation. Energy storage (ES) units are one solution to improve power supply quality and guarantee system stability. In this paper, a hybrid microgrid is built based on photovoltaic (PV) generator and ES; and coordinated control is proposed and developed to achieve power management in a decentralized manner. This control scheme contains three different droop strategies according to characteristics of PV and ES. First, the modified droop control is proposed for PV, which can take full utilization of renewable energy and avoid regulating output active power frequently. Second, to maintain the direct current (DC) bus voltage stability, a novel droop control incorporating a constant power band is presented for DC-side ES. Third, a cascade droop control is designed for alternating current (AC)-side ES. Thus, the ES lifetime is prolonged. Moreover, interlinking converters (ICs) provide a bridge between AC/DC buses in a hybrid microgrid. The power control of IC is enabled when the AC-or DC-side suffer from active power demand shortage. In particular, if the AC microgrid does not satisfy the reactive power demand, IC then acts as a static synchronous compensator (STATCOM). The effectiveness of the proposed strategies is verified by simulations.

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“…Energies 2016, 9, 651 3 of 15 generating units and the associated storage capacity in [33]. However, it requires the state of charge information of the battery in real-time.…”

Section: System Structurementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

A Coordinated Control for Photovoltaic Generators and Energy Storages in Low-Voltage AC/DC Hybrid Microgrids under Islanded Mode

et al. 2016

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“…Bludszuweit [20] proposed a method for ESS sizing based on wind power forecast uncertainty using real wind farm data. Li [21] proposed a simple optimization algorithm to determine the optimum component size for a standalone micro grid power system employing an iterative scheme.…”

Section: Open Accessmentioning

confidence: 99%

An Energy Storage System Sizing Method for Wind Power Integration

Wang

Mao

et al. 2013

Energies

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Combining an energy storage system (ESS) with a wind farm is an effective way to increase the penetration rate of wind power. ESS sizing is an important part in wind farm planning nowadays. In this paper, a basic method for determining the optimal capacity of an ESS integrated with a wind power generator to meet the requirements of grid integration is presented. With the proposed method, the necessary ESS capacity which can provide the best benefits between the regulation effects and energy storage size was calculated. The segmentation method and automatic segmentation method are proposed to improve the performance of the basic method. Further work on expanding the method to determine the necessary capacity of ESS for real-time control is studied. The time window method is used to enable the proposed method available under all working conditions. The simulation results verify the effectiveness of the proposed method.

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“…Estimation of battery state of charge (SOC), E bat analysis is shown as Equation (2) [4], [7] (charging/discharging and self discharge efficiency is ignored). I bat is battery capacity in Ah, and V bat is battery's nominal voltage.…”

Section: Battery Modelingmentioning

confidence: 99%

Optimal Sizing of Decentralized Photovoltaic Generation and Energy Storage Units for Malaysia Residential Household Using Iterative Method

Rahman

Nordin

2016

MATEC Web Conf.

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Abstract. World's fuel sources are decreasing, and global warming phenomena cause the necessity of urgent search for alternative energy sources. Photovoltaic generating system has a high potential, since it is clean, environmental friendly and secure energy sources. This paper presents an optimal sizing of decentralized photovoltaic system and electrical energy storage for a residential household using iterative method. The cost of energy, payback period, degree of autonomy and degree of own-consumption are defined as optimization parameters. A case study is conducted by employing Kuala Lumpur meteorological data, typical load profile from rural area in Malaysia, decentralized photovoltaic generation unit and electrical storage and it is analyzed in hourly basis. An iterative method is used with photovoltaic array variable from 0.1kW to 4.0kW and storage system variable from 50Ah to 400Ah was performed to determine the optimal design for the proposed system.

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A Simple Sizing Algorithm for Stand-Alone PV/Wind/Battery Hybrid Microgrids

Cited by 147 publications

References 24 publications

A Coordinated Control for Photovoltaic Generators and Energy Storages in Low-Voltage AC/DC Hybrid Microgrids under Islanded Mode

A Coordinated Control for Photovoltaic Generators and Energy Storages in Low-Voltage AC/DC Hybrid Microgrids under Islanded Mode

An Energy Storage System Sizing Method for Wind Power Integration

Optimal Sizing of Decentralized Photovoltaic Generation and Energy Storage Units for Malaysia Residential Household Using Iterative Method

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