Results 1 to 10 of about 2,262,511 (306)
Measurement of AC loss down to 25 K in a REBCO racetrack coil for electrical aircraft motor [PDF]
Scientific Reports, 2022 The development of full superconducting motors for electric distributed aircraft propulsion requires to test the stator coils at the operation temperature, usually between 20 and 40 K.
J. Kováč +7 more
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MMC with parallel-connected MOSFETs as an alternative to wide bandgap converters for LVDC distribution networks [PDF]
The Journal of Engineering, 2017 Low-voltage direct-current (LVDC) networks offer improved conductor utilisation on existing infrastructure and reduced conversion stages, which can lead to a simpler and more efficient distribution network. However, LVDC networks must continue to support
Yanni Zhong +4 more
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Energies, 2022 This paper presents an accurate quasi-analytical approximation of frequency-dependent ac resistance of single rectangular conductors. In this work, first, a two-dimensional analytical ac resistance of rectangular conductors is derived.
Barzan Tabei +3 more
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AC Loss Characteristics of HTS Novel Twisted Cables Composed of Soldered-Stacked-Square (3S) Wires
Energies, 2022 Compared with traditional cables, superconducting multi-stage cables have the natural advantages of greater transmission power and less energy loss, which have gradually attracted attention.
Zhuyong Li +4 more
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Experimental Setup for Measurement of AC Loss in HTS under Rotating Magnetic Field
Energies, 2022 High-temperature superconducting materials have shown great potential for the design of large-scale industry applications. However, they are complicated under AC conditions, resulting in penalties such as power loss or AC loss.
Wafa Ali Soomro +5 more
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Alternating Current Loss of Superconductors Applied to Superconducting Electrical Machines
Energies, 2021 Superconductor technology has recently attracted increasing attention in power-generation- and electrical-propulsion-related domains, as it provides a solution to the limited power density seen by the core component, electrical machines.
Hongye Zhang +4 more
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AC Loss Reduction in HTS Coil Windings Coupled With an Iron Core Using Flux Diverters
IEEE Access, 2023 Iron cores are widely employed in high temperature superconducting (HTS) power devices to enhance the magnetic field and improve the power density. In spite of these benefits, the presence of iron cores leads to a substantial increase in AC loss within ...
Yue Wu +5 more
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Effect of Magnetic Properties of Magnetic Composite Tapes on Motor Losses
Energies, 2022 Alternating current (AC) copper losses in motors increase with carrier frequency of the pulse width modulation (PWM) and are further increased by leakage flux of the permanent magnet. Therefore, AC copper losses increase with motor speed.
Ryo Yoshida +9 more
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Machines, 2022 AC copper loss from stator winding is one of the main losses of the high-speed permanent magnet machines (HSPMMs) and directly affects the performance of the machines.
Guanghui Du +4 more
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AC ripple loss analysis of a novel composite energy pipeline
Energy Reports, 2022 A novel composite high-temperature superconducting (HTS) energy pipeline integrated with power cable and liquid hydrogen (LH2) and liquefied natural gas (LNG) is proposed in this paper.
Lina Wang
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