Zobrazeno 1 - 10
of 102
pro vyhledávání: '"ripple factor"'
Publikováno v:
Vestnik MGTU, Vol 26, Iss 4, Pp 349-360 (2023)
The paper considers the photometric characteristics of LED retrofit lamps produced by the Russian-Chinese company Uniel: Uniel LED-G45-6W/4000K, Uniel LED-A60-8W/6500K, and Uniel LED-A60-9W/4000K, designed to replace traditional incandescent bulbs. D
Externí odkaz:
https://doaj.org/article/eb57c64a4f3142b288e0485e8aed3c3e
Publikováno v:
Jixie chuandong, Vol 47, Pp 77-81 (2023)
In order to clarify the different output mechanism and following ripple difference between external gear pump and motor, based on the reverse design method from performance to gear parameter and special involute feature without undercut, from the con
Externí odkaz:
https://doaj.org/article/7e30acf1b3ce4133b418e6414fc947e8
Autor:
V.G. Kireyev, K.P. Akinin
Publikováno v:
Праці Інституту електродинаміки Національної академії наук України, Iss 63, Pp 31-39 (2022)
The structure of a brushless magnetoelectric torque motor with a slotless stator with a surface installation of permanent magnets on the rotor is considered. A motor model has been developed to calculate its characteristics in the COMSOL Multiphysics
Externí odkaz:
https://doaj.org/article/a3b271eac5fd47feaf94ae5581832d3c
Autor:
Kovalov V., Kovalova Yu.
Publikováno v:
Problems of the Regional Energetics, Vol 56, Iss 4, Pp 39-46 (2022)
This work is devoted to develop the algorithm for determining the optimal switching frequency of a transistor pulse-width converter (PWM) to minimize the total electric losses in a DC drive. Electric losses in the armature winding and in the PWM tran
Externí odkaz:
https://doaj.org/article/bfe6a51ef84547369ef68dedff801f5b
Publikováno v:
Jixie chuandong, Vol 46, Pp 99-103 (2022)
Focusing on optimal profile construction of epicycloid cam rotors for pump, using the bisymmetric method and taking the rolling radius ratio as the structural variables, an equation of inner conjugate curve corresponding to epicycloid is derived; and
Externí odkaz:
https://doaj.org/article/49ac6bf534b84100a7dd9e308bfdbc03
Autor:
Taixi Quan, Yan Yang
Publikováno v:
Jixie chuandong, Vol 45, Pp 164-169 (2021)
To efficiently realize lightweight and low flow pulsation performance for helical rotor pump. Firstly， a new helical rotor with only three lobes and a full conjugate contour for higher shape factor is presented， then， from taking dimensionless
Externí odkaz:
https://doaj.org/article/05bbcadaf9a7441d8b0ec6a199049d1c
Autor:
Henning P.C. Buitendach, Rupert Gouws, Christiaan A. Martinson, Carel Minnaar, Dmitri Bessarabov
Publikováno v:
Results in Engineering, Vol 10, Iss , Pp 100216- (2021)
The aim of this study was to determine how the efficiency of a proton exchange membrane (PEM) electrolyser is affected by an electric ripple current and the different characteristics of the ripple current (frequency, amplitude and waveform). This pap
Externí odkaz:
https://doaj.org/article/2bf39d25130b409d91918dcbcf3f1ce7
Publikováno v:
Омский научный вестник, Vol 4 (166), Pp 23-28 (2019)
The article describes a method for assessing the state of commutation of traction DC electric motors of BELAZ dump trucks based on processing data obtained using an automated video measuring commutation complex. The developed algorithm for the fo
Externí odkaz:
https://doaj.org/article/3bed0b27d4e54da39fac20a19e6e5719
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Akademický článek
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