Zobrazeno 1 - 10
of 294
pro vyhledávání: '"harmonic content"'
Autor:
Kjell Hansson Mild
Publikováno v:
Applied Sciences, Vol 14, Iss 16, p 7064 (2024)
The EU directive on exposure to electromagnetic fields was published in 2004, but due to some problems it was not introduced in the EU countries before 2016. However, still today, many companies are not aware of the legislation and have not taken mea
Externí odkaz:
https://doaj.org/article/8c9725bce7f94e5291dbb2d799fd9039
Publikováno v:
IEEE Access, Vol 10, Pp 1068-1081 (2022)
The paper is aimed at a class of fractional-slot permanent magnet- synchronous machines (FSPMSMs) equipped with phases made up of one coil parallel branches, with emphasis on their potential to reject the circulating harmonic currents. Following the
Externí odkaz:
https://doaj.org/article/db42b952c14541eaaf448eb3e3d6d6b8
Akademický článek
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Publikováno v:
Energies, Vol 16, Iss 9, p 3813 (2023)
The analyses of the influence of spatial harmonics on the electromagnetic torque of the multi-phase induction machine and reducing this influence are important tasks to ensure the high efficiency of the induction machine. Designing the machine to con
Externí odkaz:
https://doaj.org/article/a6353c8f75a54e8b9d54773a849a5832
Publikováno v:
Energies, Vol 15, Iss 21, p 7954 (2022)
In this paper, a new carrier phase-shift (CPS) modulation method based on switching the displacement angle (SDA) is proposed to compromise the harmonic content of the output voltage and the circulating current. It can be used in medium- and low-volta
Externí odkaz:
https://doaj.org/article/283d17ccd664481b9d7a98dde6ec6b44
Publikováno v:
IEEE Access, Vol 8, Pp 22303-22313 (2020)
In this paper, the synchronous control problem of photovoltaic grid-connected inverter with nonlinear impulse perturbation is studied. The mathematical model of photovoltaic grid-connected converter is established by using Kirchhoff's law. The nonlin
Externí odkaz:
https://doaj.org/article/d3c63502fdb748d195686da984d36b15
Publikováno v:
Archives of Electrical Engineering, Vol vol. 68, Iss No 1, Pp 77-90 (2019)
When the machine is at high speed, serious problems occur, such as high frequency loss, difficult thermal management, and the rotor structural strength insufficiency. In this paper, the performances of two high-speed permanent magnet generators (HSP-
Externí odkaz:
https://doaj.org/article/b2061bc5441b4f848e4e41f63b072819
Autor:
Zhaoyan Zhang, Peiguang Wang
Publikováno v:
IEEE Access, Vol 7, Pp 114449-114458 (2019)
The digital method of natural sampling sinusoidal pulse width modulation (SPWM) is studied based on the characteristics of neutral point clamped three-level inverters of Photovoltaic power generation system. Based on field programmable gate array (FP
Externí odkaz:
https://doaj.org/article/193fc3747c7443139dd5e005a98fd865
Autor:
Ant. Ardath Kristi, Bambang Susanto, Agus Risdiyanto, Agus Junaedi, Anwar Muqorobin, Noviadi Arief Rachman, Harjono Priyo Santosa
Publikováno v:
Emitter: International Journal of Engineering Technology, Vol 9, Iss 1 (2021)
Harmonic content is an important parameter in relation to the power generated by inverter. In power conversion technology of inverter, sinusoidal pulse width modulation (SPWM) is the most popular used by many researchers. The advantages of SPWM inver
Externí odkaz:
https://doaj.org/article/cfa753bcf06b41d6a625b858eb6c557b
Publikováno v:
Energies, Vol 15, Iss 9, p 3127 (2022)
To detect the aging of power cables in the TOKAMAK power supply systems, this paper proposed a deep neural network diagnosis model and algorithm for power cable aging, based on logistic regression according to the characteristics of different high-or
Externí odkaz:
https://doaj.org/article/6f29d600ce9a44c3b235212a2f69130a