Zobrazeno 1 - 10
of 6 134
pro vyhledávání: '"Switching frequency"'
Publikováno v:
Chinese Journal of Mechanical Engineering, Vol 37, Iss 1, Pp 1-13 (2024)
Abstract The high-speed on/off valve (HSV) serves as the fundamental component responsible for generating discrete fluids within digital hydraulic systems. As the switching frequency of the HSV increases, the properties of the generated discrete flui
Externí odkaz:
https://doaj.org/article/296caf55d8ee49e1ac290abefb4ea50d
Akademický článek
Tento výsledek nelze pro nepřihlášené uživatele zobrazit.
K zobrazení výsledku je třeba se přihlásit.
K zobrazení výsledku je třeba se přihlásit.
Publikováno v:
International Journal of Electrical Power & Energy Systems, Vol 158, Iss , Pp 109969- (2024)
Active front-end converters are part of high power installations for regenerative energy systems, feeding the regenerated energy into the utility. Under the island mode operation of the regenerative energy system, the load characteristics are difficu
Externí odkaz:
https://doaj.org/article/15723e81ecd64ea9ad6737ee566c96b4
Autor:
V. M. Kovalov, Yu. V. Kovalova
Publikováno v:
Nauka ta progres transportu, Iss 1(105), Pp 42-50 (2024)
Purpose. The work is aimed at improving the energy efficiency of direct current traction electric drives of electric transport by introducing transistor pulse width converters (PWC) with an optimal switching frequency to minimize total electrical los
Externí odkaz:
https://doaj.org/article/d1f38f25ea194bc79d9d5eedd0fbee56
Publikováno v:
Advances in Electrical and Computer Engineering, Vol 24, Iss 1, Pp 51-60 (2024)
Variation in switching frequency with operating speed and high torque ripples are two important limitations of the Direct Torque Control or DTC technique. The potentiality of the switching device cannot be fully exploited for variable switching fre
Externí odkaz:
https://doaj.org/article/9ef1e48897df4248b0f9d13c3315fe5e
Autor:
Zihao Wang, Fei Ye, Shunshuai Duan, Xibo Yuan, Dongsheng Zuo, Yonglei Zhang, Kai Wang, Yan Li
Publikováno v:
IEEE Access, Vol 12, Pp 116442-116456 (2024)
With wider electrification in various sectors, there is a great demand for high-power, high-efficiency and high-power-density converters. Compared with conventional Si devices, the ultra-fast-switching speed of gallium nitride (GaN) high-electron-mob
Externí odkaz:
https://doaj.org/article/fc72543e629c42eab22973f95fcf290a
Autor:
Zhi Geng, Minxiao Han
Publikováno v:
CSEE Journal of Power and Energy Systems, Vol 10, Iss 3, Pp 1075-1084 (2024)
Dead time is necessary for the coupled power switches to prevent shoot-through, especially in the modular multilevel converters (MMCs) with a large number of power switches. This paper proposes a dead-time effect suppression strategy for MMCs with ne
Externí odkaz:
https://doaj.org/article/8b834fdf9cb449e8bcc0eb695bd207ea
Publikováno v:
IEEE Access, Vol 12, Pp 70198-70210 (2024)
This paper proposes a direct model predictive control method with a fixed switching frequency for stator flux control of a synchronous reluctance machine. Besides ensuring a fixed switching frequency, the main objective is to minimize the ripple of t
Externí odkaz:
https://doaj.org/article/b43f6f97de0c4c43a5678a7abfb20cdc
Publikováno v:
Power Electronics and Drives, Vol 9, Iss 1, Pp 176-190 (2024)
The present paper investigates the feasibility of utilizing the simplified prediction model for finite control set model predictive current control (FCS-MPCC) applied to reluctance synchronous motors (RSMs). The FCS-MPCC exhibits torque and current r
Externí odkaz:
https://doaj.org/article/74f0a44522eb4bc4bb7e361f4a958763
Akademický článek
Tento výsledek nelze pro nepřihlášené uživatele zobrazit.
K zobrazení výsledku je třeba se přihlásit.
K zobrazení výsledku je třeba se přihlásit.