June-1 2025 - 331 articles
China’s electric vehicle (EV) fleet has reached 30 million, and the effective utilization of their charging and discharging capabilities can provide substantial regulation support to restore supply–demand balance. A prerequisite to achiev...
This study investigates the relative benefits of solar thermal (ST) and photovoltaic (PV) systems integrated with air-source heat pumps for domestic hot water production in newly built residential buildings. Using calibrated DesignBuilder simulations...
The aim of this paper is to diagnose the extent of energy poverty in Poland and identify the instruments used in the public sector at the national level to address this challenge. In the theoretical part of the paper, we will review the literature re...
This study investigates the effect of thermal pretreatment on the grindability and energy efficiency of chalcopyrite ore using a ball mill, employing Box–Behnken design and statistical analysis to optimize key grinding parameters. The research...
To investigate the operational characteristics of the supercritical carbon dioxide (S-CO2) Brayton cycle and enhance its applicability in practical operating conditions for micro-scale reactors, an experimental platform for a recuperative S-CO2 Brayt...
In this study, a response surface methodology (RSM) using a central composite design (CCD) was implemented to investigate the influence of process variables on ethyl levulinate (EL) production from the ethanolysis of waste corn cob samples, using sul...
To address the stability problem related to grid-connected modular multilevel converter high voltage direct current (MMC HVDC) connected to weak alternative current (AC) systems, the short-circuit ratio (SCR) that affects the stability of the system...
In response to fire safety risks associated with photovoltaic (PV) systems and evolving rapid shutdown requirements, this paper proposes a cost-effective and reliable rapid shutdown solution integrated directly into the PV module junction box. The sy...
Transmission lines in electrical power systems are studied and analyzed to improve the electrical system’s safety, stability, and optimal operation. Past research has proposed various optimization methods to address the problem of active and re...
Carbon dioxide is a major contributor to global warming, with chemical absorption using aqueous monoethanolamine (MEA) being the most widespread technology for CO2 capture. However, due to the limitations of MEA, alternative solvents should be examin...
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