Novel Technology for Unbalance Diagnosis for Dual-Speed Wind Turbines [PDF]
SensorsUnbalance diagnosis for non-constant speed systems is challenging because the 1X fundamental rotational harmonic magnitude, commonly used as an unbalance indicator, depends on shaft rotational speed.
Amir R. Askari +4 more
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Constructive-destructive neighbor search drives artificial bee colony algorithm for variable speed green hybrid flowshop scheduling problem [PDF]
Scientific ReportsThe hybrid flowshop scheduling problem (HFSP), a typical NP-hard problem, has gained significant interest from researchers focusing on the development of solution methods. We focus on a variable speed hybrid flowshop scheduling problem.
Danying Hu +4 more
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Similarity index of the STFT-based health diagnosis of variable speed rotating machines
Intelligent Systems with Applications, 2023 Fault diagnosis and health monitoring of industrial rotating machines are of paramount importance for ensuring the reliability, safety, and efficiency of modern industrial operations.
Muhammad Ahsan, Mostafa M. Salah
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Performance Evaluation of an Axial Flux Machine with a Hybrid Excitation Design
Energies, 2022 Variable speed, permanent magnet synchronous machines with hybrid excitation have attracted much attention due to their flux-control potential. In this paper, a design of permanent magnet axial flux machines with iron poles in the rotor and an additional
Pawel Prajzendanc, Piotr Paplicki
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Challenges of Large Converter-Fed Synchronous Machines for Variable-Speed Pumped Hydro Storage
Energies, 2023 The green energy transition of electrical energy production is leading to an increasing share of total energy production for volatile renewable energy sources, mainly wind and solar power. To handle this volatile production, flexible and efficient energy
Stefan Polster +4 more
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Energy Reports, 2022 Variable-flux permanent magnet synchronous machines (PMSMs) which use low-coercive-force permanent magnets have gained a lot of attention as a perspective alternative in the variable-speed driving application for their advantages of operating with ...
Guangyuan Qiao +4 more
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Directions of Development of Adaptive Systems to the Operating Conditions of Mobile Wood Chopping Machines with Low Power Engines [PDF]
MATEC Web of Conferences, 2022 Wood choppers shredding branches equipped with low power drive units (up to 10 kW) are characterized by low technical sophistication. Their work translates into the consumption of non-renewable energy sources and the emission of toxic exhaust compounds ...
Warguła Łukasz +2 more
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Flux-Adjustable Permanent Magnet Machines in Traction Applications
World Electric Vehicle Journal, 2022 This paper overviews the recent advances in flux-adjustable permanent magnet (PM) machines for traction applications. The flux-adjustable PM machines benefit from the synergies of the high torque density and high efficiency in conventional PM machines as
Zicheng Zhou, Hao Hua, Ziqiang Zhu
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A concepts and techniques related to the DC motor speed control system design: Systematic Review
Wasit Journal of Computer and Mathematics Science, 2023 The first sources of direct current (DC) were invented, DC machines were one of the first types of electro-mechanical machines used. DC machines are more advantageous over AC machines as regards to Speed regulation and versatility.
Muhammad Hilal Mthboob +2 more
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Modern Hybrid Excited Electric Machines
Energies, 2020 The paper deals with the overview of different designs of hybrid excited electrical machines, i.e., those with conventional permanent magnets excitation and additional DC-powered electromagnetic systems in the excitation circuit.
Marcin Wardach +4 more
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