Coordinated control scheme of a hybrid renewable power system based on hydrogen energy storage

Li, Zheng; Dong, Hao; Hou, Senlin; Lü, Cheng; Sun, Hong

doi:10.1016/j.egyr.2021.08.176

Cited by 17 publications

(7 citation statements)

References 33 publications

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“…Furthermore, by comparing our research with similar past works, 117 it seems that the suggested optimal HHRES is providing better results in both economical 118,119 and environmental terms 120 . On the other hand, there are research works that have led to higher costs and environmental outcomes than this study 121,122 . Although regardless of the project's scale, both past and this study prove that the introduction of HHRES 123,124 is a huge leap forward into a greener 125 and more sustainable world 126 …”

Section: Discussionsupporting

confidence: 62%

“…120 On the other hand, there are research works that have led to higher costs and environmental outcomes than this study. 121,122 Although regardless of the project's scale, both past and this study prove that the introduction of HHRES 123,124 is a huge leap forward into a greener 125 and more sustainable world. 126 Finally, the port's sustainable upgrade is projected to provoke substantial benefits for the port's surroundings, leading to environmental, economic, and social euphoria.…”

Section: Discussionmentioning

confidence: 59%

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Introducing the cold‐ironing technique and a hydrogen‐based hybrid renewable energy system into ports

Sifakis

Vichos

Smaragdakis

et al. 2022

Intl J of Energy Research

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Summary Natural resources’ unexpected nature makes renewable energy sources’ power supply irregular and inflexible; weather conditions are impossible to be predicted. Energy storage systems are required to balance this green power supply and ensure both off‐grid and autonomous infrastructures' stability and reliability. Various energy storage technologies are available, but the high initial capital cost and the uncertainty regarding future cost and performance are critical bottlenecks for possible investors. Batteries are the most common energy storage means, while hydrogen storage is one of the least used options. This research attempts to conduct a comparative technoeconomic analysis between a hybrid renewable energy power plant combined with a hydrogen energy storage system and the implementation of the cold‐ironing technique. The test bed is the port of Milos, which is a Mediterranean island port. Thirteen scenarios were conceptualized, simulated, and assessed after examining and assessing the existing methods and technology using MATLAB and Homer Pro software. The economy of scale plays its role in this aspect as hydrogen storage systems' cost has been proven to be lower for larger infrastructures. Indicatively, the levelized cost of energy is significantly reduced for the two optimal scenarios, as there is a 41.3% decrease for the non‐cold‐ironing case and a 33.4% decrease for the cold‐ironing one. Moreover, the carbon footprint for the suggested systems of all the examined scenarios is almost diminished, paving the way forward for turning the port into a nearly Zero Energy Port. This study also helps to comprehend the technoeconomic characteristics of hydrogen‐based hybrid renewable energy systems for supporting the cold‐ironing technique. HIGHLIGHTS A systematic methodology is presented to introduce the cold‐ironing technique to a small Mediterranean port; Hydrogen‐based renewable energy systems are a sustainable and feasible solution toward the nZEP concept; An optimally sized hybrid renewable energy system guarantees the unhampered 24‐h port's operation; The suggested hybrid systems are capable of covering the port's energy needs fully even if the cold ironing is incorporated.

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Section: Discussionsupporting

confidence: 62%

Section: Discussionmentioning

confidence: 59%

Introducing the cold‐ironing technique and a hydrogen‐based hybrid renewable energy system into ports

Sifakis

Vichos

Smaragdakis

et al. 2022

Intl J of Energy Research

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“…Konstantinopoulos et al [52] developed an EMS with reserve scheduling to optimally operate a 17-bus low voltage, grid-tied, hybrid PV-wind turbine-RHFC microgrid system, where the resulting deviations due to RES intermittency were fulfilled by the RHFC subsystem to reduce the scheduled energy demand. Li et al [53] developed an EMS for a hybrid PV-wind turbine-RHFC DC microgrid system operating in island mode, using a quasi-proportional resonance to distribute power to each power generator. In Table 2, the aforementioned control strategies for hybrid PV-RHFC microgrid systems are summarized.…”

Section: Application Of Control Strategiesmentioning

confidence: 99%

Recent Research Progress in Hybrid Photovoltaic–Regenerative Hydrogen Fuel Cell Microgrid Systems

2022

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Hybrid photovoltaic–regenerative hydrogen fuel cell (PV-RHFC) microgrid systems are considered to have a high future potential in the effort to increase the renewable energy share in the form of solar PV technology with hydrogen generation, storage, and reutilization. The current study provides a comprehensive review of the recent research progress of hybrid PV-RHFC microgrid systems to extract conclusions on their characteristics and future prospects. The different components that can be integrated (PV modules, electrolyzer and fuel cell stacks, energy storage units, power electronics, and controllers) are analyzed in terms of available technology options. The main modeling and optimization methods, and control strategies are discussed. Additionally, various application options are provided, which differentiate in terms of scale, purpose, and further integration with other power generating and energy storage technologies. Finally, critical analysis and discussion of hybrid PV-RHFC microgrid systems were conducted based on their current status. Overall, the commercialization of hybrid PV-RHFC microgrid systems requires a significant drop in the RHFC subsystem capital cost. In addition, it will be necessary to produce complete hybrid PV-RHFC microgrid systems with integrated energy management control capabilities to avoid operational issues and ensure flexibility and reliability of the energy flow in relation to supply, storage, and demand.

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“…The power generated from wind/photovoltaic can be used directly for load demand or transferred to hydrogen or stored in the storage unit, and its storage size depends on the intermittency level of solar or wind power. When the wind power and PV output at the power generation end is equal to the power demanded at the load end, there will be no excess power or power shortage; when the wind power and PV output at the power generation end is greater than the power demanded at the load end, the electricity can be converted to hydrogen energy through the electrolyzer hydrogen production unit to absorb the excess power of the system, or the excess power can be absorbed by the energy storage unit and stored in the form of electricity; when the wind power and PV output at the power generation end is lower than the power demanded at the load end, the energy storage When the wind power and PV output at the power generation end is lower than the power demand at the load end, the energy storage unit will release energy to make up the shortage of system power [4].…”

Section: Description Of System Componentsmentioning

confidence: 99%

Modeling and economic optimization scheduling strategy of wind-solar-storage coupled off-grid hydrogen production system

Lei¹,

Wang²,

Mao³

2022

Preprint

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Due to the common intermittent characteristics of wind power generation and photovoltaic power generation and the complementary characteristics of power generation periods, the rational design of the operation energy scheduling strategy of the renewable energy hydrogen production system equipped with energy storage batteries is necessary and economical.In this paper, firstly, the off-grid DC bus architecture is optimally selected based on the study of the wind-solar storage coupled hydrogen production system, and the system model is established in Matlab/simulink environment. Secondly, considering the constraints such as equipment power leveling and service life, combined with the study of system optimization scheduling strategy, an economic optimization scheduling model is established with the goal of maximizing system revenue. Finally, we set up different working conditions for simulation analysis to verify the effectiveness and feasibility of the Simulink model and the economic optimization scheduling strategy of the wind-solar storage coupled off-grid hydrogen production system. This paper aims to provide ideas and methods for energy transition and renewable energy hydrogen production system to reduce costs and increase efficiency.

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Coordinated control scheme of a hybrid renewable power system based on hydrogen energy storage

Cited by 17 publications

References 33 publications

Introducing the cold‐ironing technique and a hydrogen‐based hybrid renewable energy system into ports

Introducing the cold‐ironing technique and a hydrogen‐based hybrid renewable energy system into ports

Recent Research Progress in Hybrid Photovoltaic–Regenerative Hydrogen Fuel Cell Microgrid Systems

Modeling and economic optimization scheduling strategy of wind-solar-storage coupled off-grid hydrogen production system

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