hydrogen energy storage system (HESS) is capable of storing energy on a large-scale, cross-seasonal and efficient way. The collaborative operation of the HESS effectively improves the utilization of REPG and meet the demand of various types of loads. Hydrogen storage will become more competitive when the demand for energy interaction
Relying solely on electrical energy storage for energy regulation makes it difficult to provide a stable and efficient energy supply for microgrid systems currently. Additionally, the economic cost of microgrids and the rate of energy use present a challenge that must be addressed. A strategy for allocating capacity for multi-energy microgrids that takes energy …
The hybrid energy storage configuration combines the advantages of long-term hydrogen energy storage and flexible charging and discharging of efficient BES to improve the …
The multi-objective capacity configuration optimization based on the improved NSGA-Ⅱalgorithm is proposed, which is verified to be superior to NSGA-Ⅱand MOPSO. The capacity configurations of off-grid and grid-connected multi-energy systems are compared and analyzed. The economy of grid-connected system is better than that of off-grid system.
Semantic Scholar extracted view of "Optimal configuration of hybrid energy systems considering power to hydrogen and electricity-price prediction: A two-stage multi-objective bi-level framework" by Jingyi Shang et al. ... Optimal capacity configuration and dynamic pricing strategy of a shared hybrid hydrogen energy storage system for integrated ...
Hydrogen energy is identified as the ideal energy source for the 21st century due to its high calorific value, good combustion performance, zero carbon, convenient transportation and easy storage [3, 4]. The generation of electricity from renewable energy sources (RES) to produce hydrogen by electrolysis of water is considered to be the cleanest sustainable …
In order to cope with the increasing energy demand and achieve the "double carbon "goal of China''s 14th Five-Year Plan," combined with hydrogen energy storage technology, it has the characteristics of zero pollution, high efficiency and rich source. In the context of reducing energy consumption and the vigorous development of hydrogen energy storage …
To address the capacity configuration optimization problem of hydrogen energy storage system, based on the dual-granularity time grid structure of intra-period and inter-period, the operation model of hydrogen storage and electrolyzer is established, and the corresponding capacity …
Eqs. (11) – (13) describe the coupling and energy conversion between the hydrogen energy with electrical and heating energy of the fuel cell CHP unit, and the heating energy can be transformed into cooling energy further as shown in (15) – (16). The ratio of electrical to thermal energy generated by the fuel cell CHP unit is nearly fixed ...
Rooftop photovoltaic (PV) systems are represented as projected technology to achieve net-zero energy building (NEZB). In this research, a novel energy structure based on rooftop PV with electric-hydrogen-thermal hybrid energy storage is analyzed and optimized to provide electricity and heating load of residential buildings. First, the mathematical model, …
Lagring. Det er utfordringer knyttet til lagring av hydrogen og ulike teknikker finnes. Imidlertid er flere av lagringsteknikkene energikrevende. Det finnes følgende metoder for hydrogen lagring: …
For the first time, we quantify cost, footprint, and reliability implications of deploying hydrogen-based generation in off-grid electric vehicle charging stations (CS) using an optimization model ...
Firstly, a multi-objective bi-level capacity configuration optimization model considering the different functional orientations of hydrogen energy and electricity-price prediction is established.
Therefore, a bi-level optimal configuration model is proposed in which the upper-level problem aims to minimize the total configuration cost to determine the capacity of …
Optimal configuration planning of vehicle sharing station-based electro-hydrogen micro-energy systems for transportation decarbonization. ... Case 1 is the model of this paper. In Case 2, electric and hydrogen energy systems are considered to operate independently; that is, only RESs and ES are configured in this scenario, no electric-hydrogen ...
Different from low-temperature electrolysis systems, the large power consumption for the balance of plant (BOP) of the reversible solid oxide cell (RSOC) system for a high-temperature …
Therefore, the capacity configuration of renewable energy has a more significant impact on system performance indicators (α, L) than the capacity of the hydrogen energy subsystem. When the energy storage unit includes battery and hydrogen, the representative results of capacity configuration are listed in Table 5 .
sammenlignet med lagring i utvalgte alternative lagringsbeholdere. Resultatene viser at varmelekkasje inn i tankene som er undersøkt fører til trykkøkning i samtlige tanker og …
One promising application of hydrogen as a clean energy vector is to blend with or fully replace natural gas to decarbonize heating systems [7] the UK, household heating accounts for almost one-quarter and one-fifth respectively of annual final energy consumption and carbon emissions [8, 9].Given that over 80% of UK houses are connected to the gas grid [10], …
Hydrogen Energy Industry Infrastructure Roadmap first pro-posed the development roadmap of hydrogen energy and identified the technological innovation of hydrogen energy and fuel cells as a key task. In 2019, hydrogen energy was included in the government work report for the first time. In Septem-ber2020 ...
Hydrogen energy represents an ideal medium for energy storage. By integrating hydrogen power conversion, utilization, and storage technologies with distributed wind and photovoltaic power generation techniques, it is possible to achieve complementary utilization and synergistic operation of multiple energy sources in the form of microgrids. However, the diverse …
As the hydrogen energy gradually receives more attention, this paper constructs the structure of a hybrid hydrogen energy storage system shared by an IES alliance in a dynamic pricing mode. A bi-level optimization model for the shared hybrid hydrogen energy storage system (SHHESS) is proposed to optimize the capacity configuration decisions and the pricing strategy …
This study proposes a multitype electrolytic collaborative hydrogen production model for optimizing the capacity configuration of renewable energy off grid hydrogen production systems. The electrolytic hydrogen production process utilizes the synergistic electrolysis of an alkaline electrolyzer (AEL) and proton exchange membrane electrolyzer (PEMEL), fully …
In this study, the hydrogen energy storage system and batteries are jointly configured in a shared energy storage system whose users are IESs as an alliance. In the …
The global energy transition towards a carbon neutral society requires a profound transformation of electricity generation and consumption, as well as of electric power systems.
tion paid at the national level to hydrogen energy development. In 2014, the Energy Development Strategy Action Plan (2014– 2020) officially listed hydrogen and fuel cells as the strategic
1 INTRODUCTION. In the context of global climate change and energy security, hydrogen energy has gained increasing prominence as a means to advance the utilization of renewable energy sources [], enable long-term and large-scale storage of electric energy [2, 3], enhance the flexible regulation capabilities of power systems [], and facilitate the …
Optimized Configuration of Hybrid Electric-Hydrogen Energy Storage System Considering Carbon Trading and Wind Power Fluctuation Smoothing Pengyu Wei1, Dongsheng Cai 1*, Chiagoziem Chima Ukwuoma1, Olisola Bamisile1, Qi Huang1,2 1 College of Nuclear Technology and Automation Engineering, Chengdu University of Technology, Sichuan P.R., 610059, China
However, the high cost has become an obstacle to hydrogen energy storage systems. The shared hydrogen energy storage (SHES) for multiple renewable energy power plants is an emerging mode to mitigate costs. This study presents a bi-level configuration and operation collaborative optimization model of a SHES, which applies to a wind farm cluster.
For this reason, aiming at the optimal configuration of hydrogen storage capacity of new energy power station at the power generation side, a multi-objective optimal configuration model of …
Optimization of configurations and scheduling of shared hybrid electric‑hydrogen energy storages supporting to multi-microgrid system. Author links open overlay panel Hongda Deng, Jiangjiang Wang, Yuming ... The optimized configuration capacities of the embedded ESS in three microgrids under the Case 1 are 5682.83 kWh, 1652.85 kWh, and 0 …
Concerning capacity-configuration optimization, some studies have considered only a single objective. Almadhor et al. [14] integrated the particle swarm optimization (PSO) and bat algorithm (BA) to optimize the sizing of a solar PV/battery microgrid with the objective of minimizing the active power-transmission losses.Hou et al. [15] used the cat swarm …
Satsingen omfatter hele verdikjeden – det vil si nye utfordringer og løsninger for sikker, bærekraftig og kostnadseffektiv produksjon, transport, lagring, distribusjon og bruk av …
As the hydrogen energy gradually receives more attention, this paper constructs the structure of a hybrid hydrogen energy storage system shared by an IES alliance in a dynamic pricing mode. A bi-level optimization model for the shared hybrid hydrogen energy storage system (SHHESS) is proposed to optimize the capacity configuration decisions and the …
Green hydrogen production via photovoltaic (PV)‐electrolysis is a promising method for addressing global climate change. The battery provides a stable power supply for the PV‐electrolysis system. Hence, this study proposes a robust model for configuring the capacity of a PV‐battery‐electrolysis hybrid system by considering the dynamic efficiency characteristics …
As the hydrogen energy gradually receives more attention, this paper constructs the structure of a hybrid hydrogen energy storage system shared by an IES alliance in a dynamic pricing mode. A bi-level optimization model for the shared hybrid hydrogen energy storage system (SHHESS) is proposed to optimize the capacity configuration decisions and the pricing strategy …
Widespread use of hydrogen energy can increase the utilization rate of renewable energy and reduce dependence on fossil energy. Therefore, hydrogen is well-known as the ultimately conventional clean energy in the 21th century [7].
@article{Xu2024OptimalCC, title={Optimal capacity configuration and dynamic pricing strategy of a shared hybrid hydrogen energy storage system for integrated energy system alliance: A bi-level programming approach}, author={Fangqiu Xu and Xiaopeng Li and Chunhua Jin}, journal={International Journal of Hydrogen Energy}, year={2024}, url={https ...
To achieve the goals of carbon peaking and carbon neutrality, hydrogen energy has become an important solution for clean energy. In this context, this paper proposes an …
