Short-term photovoltaic power forecasting based on a new hybrid deep learning model incorporating transfer learning strategy
December 2024
The accurate prediction of photovoltaic (PV) power generation is an important basis for hybrid grid scheduling. With the expansion of the scale of PV power plants and the popularization of distributed...
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Fuzzy multi-criteria decision-making method-based operational assessment of Chinese electricity markets
December 2024
The evaluation of the electricity market is crucial for fostering market construction and development. An accurate assessment of the electricity market reveals developmental trends, identifies operational...
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Enhancing microgrid renewable energy integration at SEKEM farm
December 2024
This study explores the feasibility of implementing a hybrid microgrid system powered by renewable energy sources. Including solar photovoltaics, wind energy, and fuel cells to ensure a reliable and...
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Two-stage photovoltaic power forecasting method with an optimized transformer
December 2024
Accurate photovoltaic (PV) power forecasting ensures the stability and reliability of power systems. To address the complex characteristics of nonlinearity, volatility, and periodicity, a novel two-stage...
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Analysis and construction of evaluation index system of inter-provincial electricity spot markets
December 2024
Because of the contradiction between the scale of new energy installations and the continuous load growth in the central and eastern regions of China, the balance problems of the electricity market...
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Two-stage power system restoration model
December 2024
In response to the need for robust black-start strategies in modern smart grids during blackouts, this paper proposes a two-stage black-start model that integrates wind turbines (WT), photovoltaic generators...
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Capacity planning of hydro-wind-solar hybrid power systems considering hydropower forbidden zones
December 2024
In the capacity planning of hydro-wind-solar power systems (CPHPS), it is crucial to use flexible hydropower to complement the variable wind-solar power. Hydropower units must be operated such that...
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IoT-based green-smart photovoltaic system under extreme climatic conditions for sustainable energy development
December 2024
To realize carbon neutrality, there is an urgent need to develop sustainable, green energy systems (especially solar energy systems) owing to the environmental friendliness of solar energy, given the...
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Adaptive VSG control of flywheel energy storage array for frequency support in microgrids
October 2024
The application of virtual synchronous generator (VSG) control in flywheel energy storage systems (FESS) is an effective solution for addressing the challenges related to reduced inertia and inadequate...
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Adaptive linear active disturbance-rejection control strategy reduces the impulse current of compressed air energy storage connected to the grid
October 2024
The merits of compressed air energy storage (CAES) include large power generation capacity, long service life, and environmental safety. When a CAES plant is switched to the grid-connected mode and...
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Research on typical operating conditions of hydrogen production system with off-grid wind power considering the characteristics of proton exchange membrane electrolysis cell
October 2024
Hydrogen energy, with its abundant reserves, green and low-carbon characteristic, high energy density, diverse sources, and wide applications, is gradually becoming an important carrier in the global...
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Enhancing photovoltaic power prediction using a CNN-LSTM-attention hybrid model with Bayesian hyperparameter optimization
October 2024
Improving the accuracy of solar power forecasting is crucial to ensure grid stability, optimize solar power plant operations, and enhance grid dispatch efficiency. Although hybrid neural network models...
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Economic analysis of hydrogen production from electrolyzed water technology by provinces in China
October 2024
A novel model for measuring the economics of hydrogen generation via electrolytic water projects was constructed. The model overcomes the current problem of incomplete and inaccurate assessments of...
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Optimal scheduling of zero-carbon park considering variational characteristics of hydrogen energy storage systems
October 2024
Zero-carbon parks have broad prospects in carbon neutralization. As an energy hub, hydrogen energy storage plays an important role in zero-carbon parks. However, the nonlinear characteristics of hydrogen...
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Optimizing PID controller parameters for robust automatic voltage regulator system through indirect design approach-2
October 2024
Automatic voltage regulators (AVR) are designed to manipulate a synchronous generator’s voltage level automatically. Proportional integral derivative (PID) controllers are typically used in AVR systems...
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Optimal hydrogen-battery energy storage system operation in microgrid with zero-carbon emission
October 2024
To meet the greenhouse gas reduction targets and address the uncertainty introduced by the surging penetration of stochastic renewable energy sources, energy storage systems are being deployed in microgrids....
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An overview of grid-forming technology and its application in new-type power system
October 2024
To address the global climate crisis, achieving energy transitions is imperative. Establishing a new-type power system is a key measure to achieve CO2 emissions peaking and carbon neutrality. The core...
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Optimization dispatching strategy for an energy storage system considering its unused capacity sharing
October 2024
In renewable energy systems, energy storage systems can reduce the power fluctuation of renewable energy sources and compensate for the prediction deviation. However, if the renewable energy prediction...
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Simulation and application analysis of a hybrid energy storage station in a new power system
October 2024
As the proportion of renewable energy infiltrating the power grid increases, suppressing its randomness and volatility, reducing its impact on the safe operation of the power grid, and improving the...
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Research on entropy weight variation evaluation method for wind power clusters based on dynamic layered sorting
October 2024
This paper presents an evaluation method for the entropy-weighting of wind power clusters that comprehensively evaluates the allocation problems of wind power clusters by considering the correlation...
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Study on green power supply modes for heavy load in remote areas
August 2024
In this study, the present situation and characteristics of power supply in remote areas are summarized. By studying the cases of power supply projects in remote areas, the experience is analyzed and...
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Consideration of the influence of supports in modeling the electromagnetic fields of 25 kV traction networks under emergency conditions
August 2024
Single-phase 25 kV traction networks of electrified alternating current (AC) railways create electromagnetic fields (EMFs) with significant levels of intensity. The most intense magnetic fields occur...
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Dynamic optimal allocation of energy storage systems integrated within photovoltaic based on a dual timescale dynamics model
August 2024
Energy storage systems (ESSs) operate as independent market participants and collaborate with photovoltaic (PV) generation units to enhance the flexible power supply capabilities of PV units. However,...
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Collaborative robust dispatch of electricity and carbon under carbon allowance trading market
August 2024
The launch of the carbon-allowance trading market has changed the cost structure of the power industry. There is an asynchronous coupling mechanism between the carbon-allowance-trading market and the...
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Impact of the carbon market on investment benefits of power-grid enterprises in China: A system dynamics analysis
August 2024
The power grid, as the hub connecting the power supply and consumption sides, plays an important role in achieving carbon neutrality in China. In emerging carbon markets, assessing the investment benefits...
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