Power-to-hydrogen-and-methanol model based on collaborative optimization of energy flow and material flow
June 2025
China has abundant renewable energy resources. With the establishment of carbon peaking and carbon neutrality goals, renewable energy sources such as wind power and photovoltaics have undergone tremendous...
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Study the effect of using a dual rotor system on the performance of horizontal axis wind turbines using CFD
June 2025
This research aims to improve the power output of a horizontal axis wind turbine (HAWT) by using an auxiliary rotor in front of the main rotor, this configuration is called a dual-rotor wind turbine...
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SP-RF-ARIMA: A sparse random forest and ARIMA hybrid model for electric load forecasting
June 2025
Accurate Electric Load Forecasting (ELF) is crucial for optimizing production capacity, improving operational efficiency, and managing energy resources effectively. Moreover, precise ELF contributes...
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Online evaluation method for MMC submodule capacitor aging based on CapAgingNet
June 2025
Submodule capacitor aging poses significant challenges to the safe operation of modular multilevel converter (MMC) systems. Traditional detection methods rely predominantly on offline tests, lacking...
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A review of photovoltaic/thermal (PV/T) incorporation in the hydrogen production process
June 2025
Integrating the photovoltaic/thermal (PV/T) system in green hydrogen production is an improvement in sustainable energy technologies. In PV/T systems, solar energy is converted into electricity and...
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Optimal scheduling method for multi-regional integrated energy system based on dynamic robust optimization algorithm and bi-level Stackelberg model
June 2025
In this study, we construct a bi-level optimization model based on the Stackelberg game and propose a robust optimization algorithm for solving the bi-level model, assuming an actual situation with...
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Potential of hydrogen production from intermittent renewable energy resources in different locations of Nigeria: Technical, economic and environmental perspective
June 2025
In this study, ten wind turbines and fourteen solar photovoltaic (SPV) modules were employed to compare the potential of hydrogen production from wind and solar energy resources in the six geopolitical...
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Frequency regulation reserve optimization of wind-PV-storage power station considering online regulation contribution
June 2025
The frequency regulation reserve setting of wind-PV-storage power stations is crucial. However, the existing grid codes set up the station reserve in a static manner, where the synchronous generator...
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A multi-model management approach for power system transient stability assessment based on multi-moment feature clustering
Available online 25 June 2025
Transient stability assessment (TSA) based on artificial intelligence typically has two distinct model management approaches: a unified management approach for all faulted lines and a separate management...
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Forecasting electricity prices in the spot market utilizing wavelet packet decomposition integrated with a hybrid deep neural network
Available online 11 June 2025
Accurate forecasting of electricity spot prices is crucial for market participants in formulating bidding strategies. However, the extreme volatility of electricity spot prices, influenced by various...
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Bayesian optimized support vector regression with a Gaussian kernel for accurate prediction of the state of health of lithium-ion batteries used for electric vehicle applications
Available online 10 June 2025
The state of health SoH of lithium ion batteries plays a predominant role in ensuring the safe and reliable operation of electric vehicles. In this, a novel SoH estimation approach using support vector...
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The impact of EU carbon border adjustment mechanism on China’s export and its countermeasures
April 2025
This study analyzes the potential impact of EU carbon border regulation mechanism (CBAM) on the export of China’s carbon-intensive products. First, we summarized the main content of the CBAM. Next,...
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Lessons from the development and operational experiences of international carbon markets for the construction of China’s carbon market
April 2025
•The importance of establishing carbon markets for energy transformation and sustainable development are examined.•The construction progress and practical experiences of major international carbon markets...
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Grouping control of electric vehicles based on improved golden eagle optimization for peaking
April 2025
To address the problem of high lifespan loss and poor state of charge (SOC) balance of electric vehicles (EVs) participating in grid peak shaving, an improved golden eagle optimizer (IGEO) algorithm...
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Analysis of multi-infeed receiving AC system with incompletely segmented VSC-HVDC
April 2025
When multiple LCC-HVDC transmission lines are densely fed into a receiving AC system, voltage dips can easily propagate in the power system, resulting in multiple LCC commutation failures simultaneously....
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Techno-economic modeling and analysis of a PV EV charged with battery energy storage system (BESS) on Kalimantan Island
April 2025
This research examines the optimal combination of solar panel and battery capacity in hybrid systems in 11 cities on the island of Borneo, utilizing the region’s significant solar energy potential and...
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Research on the coordinated optimization of energy storage and renewable energy in off-grid microgrids under new electric power systems
April 2025
The supply of electricity to remote regions is a significant challenge owing to the pivotal transition in the global energy landscape. To address this issue, an off-grid microgrid solution integrated...
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Multiagent, multitimescale aggregated regulation method for demand response considering spatial–temporal complementarity of user-side resources
April 2025
The integration of substantial renewable energy and controllable resources disrupts the supply–demand balance in distribution grids. Secure operations are dependent on the participation of user-side...
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Modeling and control of automatic voltage regulation for a hydropower plant using advanced model predictive control
April 2025
Fluctuating voltage levels in power grids necessitate automatic voltage regulators (AVRs) to ensure stability. This study examined the modeling and control of AVR in hydroelectric power plants using...
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NSGA-II-based load resource management for frequency and voltage support
April 2025
Ensuring stable frequency and voltage has recently become increasingly challenging for modern power systems. This is primarily due to the fluctuating and intermittent nature of renewable energy sources...
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Distributionally robust optimization-based scheduling for a hydrogen-coupled integrated energy system considering carbon trading and demand response
April 2025
Addressing climate change and facilitating the large-scale integration of renewable energy sources (RESs) have driven the development of hydrogen-coupled integrated energy systems (HIES), which enhance...
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Two-Stage capacity allocation optimization method for user-level integrated energy systems considering user satisfaction and thermal inertia
April 2025
Integrated-energy systems (IESs) are key to advancing renewable-energy utilization and addressing environmental challenges. Key components of IESs include low-carbon, economic dispatch and demand response,...
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Power forecasting method of ultra-short-term wind power cluster based on the convergence cross mapping algorithm
February 2025
The development of wind power clusters has scaled in terms of both scale and coverage, and the impact of weather fluctuations on cluster output changes has become increasingly complex. Accurately identifying...
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Technical and economic feasibility assessment for hybrid energy system electricity and hydrogen generation: A case study
February 2025
Hydrogen is emerging as a promising alternative to fossil fuels in the transportation sector.This study evaluated the feasibility of establishing hydrogen refueling stations in five cities in Oman,...
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