Multi-Objective Sizing of Hybrid Energy Storage System for Large-Scale Photovoltaic Power Generation System

Ma, Chao; Dong, Shaojun; Lian, Jijian; Pang, Xiaolu

doi:10.3390/su11195441

Cited by 19 publications

(11 citation statements)

References 33 publications

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“…Before calculating A stable power supply should be ensured if the reliability criterion is to be met. When a renewable energy source is connected to a grid, evaluating and analyzing the impact of its intermittent output characteristics on the power supply stability is essential [19,26,27]. This can be done by analyzing the reliability of the supply performance based on the loss of load expectation (LOLE), which is represented by a probabilistic metric.…”

Section: Power Supply Range Of the Microgridmentioning

confidence: 99%

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Optimal Operation of a Hybrid Power System as an Island Microgrid in South-Korea

Choi

Acquah

et al. 2021

Sustainability

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The microgrid is a power distribution system that supplies power from distributed generation to end-users. Demonstration projects and R&D regarding microgrids are currently in development in several advanced countries. In South Korea, renewable energy-based microgrid demonstration projects are carried out mainly as island or university campus grids. These R&D efforts aim to popularize microgrid systems in South Korea while considering the limited land availability, which impedes the widespread distribution of photovoltaic systems and the microgrid market’s growth. This study presents a floating photovoltaic system configured as an island microgrid combined with a hybrid power system. The floating photovoltaic system is configured on an idle water body integrated with an existing pumped hydroelectric system. The integration of a current pumped hydroelectric system minimizes a battery energy storage requirement, which compensates for the renewable energy sources’ intermittent power output. We evaluate the optimal power flow of the setup using a reliability index to ensure a stable power supply within the standalone microgrid and maximize the supply power range according to the demand response.

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Section: Power Supply Range Of the Microgridmentioning

confidence: 99%

“…To maximize the microgrid's operating efficiency, the need to evaluate the renewable energy system's optimal capacity and ESS is essential [26][27][28]. In recent years, most research attempts focus on the economic aspect of determining the capacity of resources in the microgrid.…”

Section: Introductionmentioning

confidence: 99%

Optimal Operation of a Hybrid Power System as an Island Microgrid in South-Korea

Choi

Acquah

et al. 2021

Sustainability

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“…In practical applications, the type of energy storage battery can be determined based on its characteristics and the needs. Some studies also adopted various combinations of energy storage systems to maximize the utilization [35][36][37][38].…”

Section: Of 20mentioning

confidence: 99%

Research on Energy Storage Optimization for Large-Scale PV Power Stations under Given Long-Distance Delivery Mode

Yang

Lian

et al. 2019

Energies

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Western China has good conditions for constructing large-scale photovoltaic (PV) power stations; however, such power plants with large fluctuations and strong randomness suffer from the long-distance power transmission problem, which needs to be solved. For large-scale PV power stations that do not have the conditions for simultaneous hydropower and PV power, this study examined long-distance delivery mode and energy storage optimization. The objective was to realize the long-distance transmission of electrical energy and maximize the economic value of the energy storage and PV power storage. For a large-scale PV power station, the energy storage optimization was modelled under a given long-distance delivery mode, and the economic evaluation system quantified using the net present value (NPV) of the battery was based on the energy dispatch optimization model. By contrast, a lithium battery performance model was developed. Therefore, further analysis of the economics of the energy storage and obtaining the best capacity of the energy storage battery and corresponding replacement cycle considered battery degradation. The case study of Qinghai Gonghe 100 MWp demonstration base PV power station showed that the optimal energy storage capacity was 5 MWh, and the optimal replacement period was 2 years. Therefore, the annual abandoned electricity was reduced by 3.051 × 10 4 MWh compared with no energy storage. The utilization rate of both the PV power station and quality of the delivered electricity were modelled to realize a long-distance transmission to the grid net. This will have an important guiding significance to develop and construct large-scale single PV power stations.

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“…This study concludes that the ramp‐rate constraint has a significant impact on the profitability of the system. The authors of [24] propose a multi‐objective sizing methodology for large‐scale photovoltaic power generation system, in which the algorithm selects the storage system by comparing different combinations and considering the effects of multiple weather conditions.…”

Section: Introductionmentioning

confidence: 99%

Hybrid battery‐ultracapacitor storage system sizing for renewable energy network integration

González-González¹,

Martín²,

Eguia³

et al. 2020

IET Renewable Power Generation

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Wind and Solar photovoltaic power plants outputs are usually highly variable due to gusts of wind and sharp sun irradiance level variations caused by cloud shading effects. These effects negatively impact system security, especially in weak power networks. On the other hand, due to the recent technological progress and cost reductions, electrical energy storage systems are an attractive alternative that can be easily integrated into non-despatchable power plants to compensate for those power output fluctuations. This study proposes a methodology for optimal sizing of a hybrid (lithium-ion battery and ultracapacitor) energy storage system for renewable energy network integration. Special attention is paid to the battery cycling degradation process. It is shown that battery aging due to cycling is a major driver for optimal sizing. The resulting sizing problem is posed as a non-linear programming problem. Finally, real and illustrative case studies are presented for both, wind and photovoltaic power plants integrating a hybrid energy storage system. Results are reported by comparing different energy storage system configurations.

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Multi-Objective Sizing of Hybrid Energy Storage System for Large-Scale Photovoltaic Power Generation System

Cited by 19 publications

References 33 publications

Optimal Operation of a Hybrid Power System as an Island Microgrid in South-Korea

Optimal Operation of a Hybrid Power System as an Island Microgrid in South-Korea

Research on Energy Storage Optimization for Large-Scale PV Power Stations under Given Long-Distance Delivery Mode

Hybrid battery‐ultracapacitor storage system sizing for renewable energy network integration

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