Results 21 to 30 of about 35,470,184 (340)
IEEE Open Journal of Power Electronics, 2022 Next-generationVariable Speed Drive (VSD) systems utilize SiC MOSFETs to achieve both high efficiency through reduced bridge-leg losses and high power density through an order-of-magnitude increase in switching frequency or reduction of the DC-link ...
Michael Haider +5 more
doaj +1 more source
Techno-economic projections for advanced small solar thermal electric power plants to years 1990-2000 [PDF]
, 1978 Advanced technologies applicable to solar thermal electric power systems in the 1990-200 time-frame are delineated for power applications that fulfill a wide spectrum of small power needs with primary emphasis on power ratings less than 10MWe ...
Chen, K. H. +6 more
core +2 more sources
Harmonic Stability in Power Electronic-Based Power Systems: Concept, Modeling, and Analysis
IEEE Transactions on Smart Grid, 2019 The large-scale integration of power electronic-based systems poses new challenges to the stability and power quality of modern power grids. The wide timescale and frequency-coupling dynamics of electronic power converters tend to bring in harmonic ...
Xiongfei Wang, F. Blaabjerg
semanticscholar +1 more source
Energies, 2023 A large amount of the waste heat generated during industrial production is not used, which leads to a low energy utilization rate. The recovery of industrial waste heat using heat pumps has the advantages of low energy consumption, high efficiency ...
Jian Sun +5 more
doaj +1 more source
Modelling of variable-speed refrigeration for fast-frequency control in low-inertia systems
IET Smart Grid, 2020 In modern power systems, shiftable loads contribute to the flexibility needed to increase robustness and ensure security. Thermal loads are among the most promising candidates for providing such service due to the large thermal storage time constants ...
Johanna Vorwerk +4 more
doaj +1 more source
Measuring Technologies for CFB Solid Circulation Rate: A Review and Future Perspectives
Energies, 2022 Solid circulation rate (Gs) represents the mass flux of circulating particles in circulating fluidized bed (CFB) systems and is a significant parameter for the design and operation of CFB reactors.
Xiandong Liu +7 more
doaj +1 more source
Investigating the influence of lithium-ion batteries degradation on the parameters of the electric power storage system [PDF]
E3S Web of Conferences, 2023 This article deals with the use of a battery-based energy storage system (ESS) to ensure the required power output of power plants (PP) based on renewable energy sources (RES) integrated into the electric power system (EPS).
Bulatov Ramis +2 more
doaj +1 more source
Modelling, Implementation, and Assessment of Virtual Synchronous Generator in Power Systems
Journal of Modern Power Systems and Clean Energy, 2020 As more and more power electronic based generation units are integrated into power systems, the stable operation of power systems has been challenged due to the lack of system inertia. In order to solve this issue, the virtual synchronous generator (VSG),
Meng Chen, Dao Zhou, F. Blaabjerg
semanticscholar +1 more source
Physics-Informed Neural Networks for Power Systems [PDF]
IEEE Power & Energy Society General Meeting, 2019 This paper introduces for the first time, to our knowledge, a framework for physics-informed neural networks in power system applications. Exploiting the underlying physical laws governing power systems, and inspired by recent developments in the field ...
George S. Misyris +2 more
semanticscholar +1 more source
Analytical Calculation of the Residual ZVS Losses of TCM-Operated Single-Phase PFC Rectifiers
IEEE Open Journal of Power Electronics, 2021 Triangular-current-mode (TCM) modulation guarantees zero-voltage-switching across the mains cycle in AC-DC power converters, eliminating hard-switching with a minor ${\approx} {30}{\%}$ penalty in conduction losses over the conventional continuous ...
Michael Haider +6 more
doaj +1 more source