Results 71 to 80 of about 688 (209)
A general PWM method for soft-switching three-phase power converters-Edge Aligned PWM (EA-PWM) is proposed. It aligns all the high loss commutation instants of the converter bridges in a switching cycle at the same instant so that all the switches of the
Keyan Shi, Jinyi Deng, Dehong Xu
doaj +1 more source
This study investigates the efficiency and noise, vibration, and harshness (NVH) characteristics of electric vehicle (EV) powertrains based on three key Pulse Width Modulation (PWM) techniques: Space Vector PWM (SVPWM), Discontinuous PWM (DPWM), and ...
Do-Yun Kim
doaj +1 more source
Discontinuous Pulse Width Modulation In Flux Angle Control Of Induction Motors [PDF]
In this study, flux angle control (FAC) with discontinuous modulation is presented for induction motor drives with the aim of optimizing motor and inverter losses under light load conditions.
Mohammad Reza Mohebbi +1 more
doaj +1 more source
A DPWM with High Efficiency and Low CMV for DMC
This thesis presents a discontinuous pulse width modulation (DPWM) with high efficiency and low common mode voltage (CMV) for direct matrix converter (DMC).
Hu, Cheng-Chin
core
[[abstract]]Windowed ADC is an attractive solution for the high efficiency digitally-controlled converters. However its limited conversion range restricts the transient speed for the dynamic voltage scaling applications.
P.-H. Lan;C.-Y. Tseng;F.-C. Yeh;P.-C. Huang
core +1 more source
Spatial distribution of cerebral microbleeds and FLAIR hyperintensities on follow-up MRI after radiotherapy for lower grade glioma. [PDF]
Kłos J +8 more
europepmc +1 more source
Simulation and implementation of DPWM algorithm for NPC three-level inverter
Abstract The application of discontinuous pulse width modulation (DPWM) in high-power inverters can effectively improve the equivalent switching frequency of the inverter and improve the control performance of the system. In this paper, the DPWM3 algorithm of NPC type three-level inverter is researched in detail from the judgment of the ...
Xia Hang, Zhang Jie
openaire +1 more source
Sigma-delta DPWM controllers for 12MHz DC-DC switch-mode power supplies
The aim of this work is to develop a power efficient digital controller for DC-DC Switch-Mode Power Supplies (SMPS) operating at switching frequencies up to 12MHz.
Lukic, Zdravko
core
Aim at reducing switching loss (SL) of neutral-point clamped three-level inverter (NPC TLI) as much as possible, a novel SL minimized discontinuous pulse width modulation (SLMDPWM) strategy is proposed in this paper.
Weidong Jiang +4 more
doaj +1 more source
An Improved High-Resolution DPWM Control Circuit Based on FPGA
Digital pulse width modulation (DPWM) has advantages of strong anti-interference ability, high efficiency and good flexibility, therefore it has been widely used in switching power supply, communications, power control and transform and other fields. This paper proposed a high resolution DPWM control circuit based on field programmable gate array (FPGA)
Shan-shan HU, Hong-tao LI, Ze-shi YUAN
openaire +2 more sources

