Results 11 to 20 of about 1,449 (203)

Generalized Pulse Width Modulation Switch Model for Converters Based on the Multistate Switching Cell in Discontinuous Conduction Mode

Sensors
This work introduces a generalized version of the pulse width modulation (PWM) switch model applied in the small-signal modeling of converters based on the multistate switching cell (MSSC) operating in discontinuous conduction mode (DCM).
Fernando Lessa Tofoli
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Comparisons of Loss Reduction Techniques Based on Pulsewidth Modulation and Model Predictive Control for Three-Phase Voltage Source Inverters

Machines, 2023
Due to the lack of comparative studies between discontinuous pulse-width modulation and model predictive control methods for reducing switching losses in two-level three-phase voltage source inverter, a comparative analysis of a generalized discontinuous
Minh Hoang Nguyen, Sangshin Kwak, Seungdeog Choi   +2 more
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Modified Discontinuous Pulsewidth Modulation Approach With Independent Phase Loss Adjustment for Voltage Source Converters

IEEE Access, 2023
This paper presents an efficient independent phase switching loss reduction technique for 2-level 3-phase voltage source inverters. A modified carrier-based pulse-width modulation algorithm, named per-phase discontinuous pulse-width modulation, is used ...
Minh-Hoang Nguyen, Sangshin Kwak, Seungdeog Choi   +2 more
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Integer factor based SVPWM approach for multilevel inverters with continuous and discontinuous switching sequences [PDF]

Archives of Electrical Engineering, 2021
The most extensively employed strategy to control the AC output of power electronic inverters is the pulse width modulation (PWM) strategy. Since three decades modulation hypothesis continues to draw considerable attention and interest of researchers ...
Suresh Kumar Anisetty, Sri Gowri Kolli, Nagaraja Rao S., Manjunatha B.M., Sesi Kiran P., Niteesh Kumar K.   +5 more
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Comparative analysis of switching losses and current ripple of continuous and discontinuous SVPWM strategies for unbalanced two‐phase four‐leg VSI Fed unsymmetrical two‐phase induction motor

IET Power Electronics, 2021
This paper presents a comparative analysis of the continuous space vector pulse width modulation and the discontinuous space vector pulse width modulation in terms of the switching losses and current ripple reduction for the unbalanced two‐phase four‐leg
Kaset Muangthong, Chakrapong Charumit
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Optimized Zero Vector Selection in Space Vector Pulse Density Modulation Schemes for Two-Level Inverter Fed Induction Motor Drive

Advances in Electrical and Computer Engineering, 2023
Space Vector Pulse Density Modulation (SVPDM) schemes for adjustable speed drives are digital modulation scheme with less computational overhead. The SVPDM based drives provide better spectral features and reduced acoustic noise in motor than Space ...
JEESHMA, M. P., MONISHA, M. A., VINOD, B. R., BIJI, J.   +3 more
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Hybrid Space Vector PWM Strategy for Three-Phase VIENNA Rectifiers

Sensors, 2022
Vienna rectifiers are widely used, but they have problems of zero-crossing current distortion and midpoint potential imbalance. In this paper, an improved hybrid modulation strategy is proposed.
Yaodong Wang, Yinghui Li, Xu Guo, Shun Huang   +3 more
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Sector Subdivision Based SVPWM Strategy of Neutral-Point-Clamped Three-Level Inverter for Current Ripple Reduction

Energies, 2019
This paper presents a sector subdivision based space vector pulse width modulation (SVPWM) strategy with reduced current ripple for a three-level inverter.
Guozheng Zhang, Bingxu Wei, Xin Gu, Xinmin Li, Zhanqing Zhou, Wei Chen   +5 more
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Discontinuous PWM strategy considering neutral-point potential balance for a three-level NPC inverter

工程科学学报, 2016
A novel discontinuous space-vector pulse width modulation(DSVPWM) strategy is proposed for a three-level neutralpoint-clamped(NPC) voltage source inverter.
LUO Xiao-fei, SUN Yan-guang, SONG Ke-jian, SHI Zhi-xue   +3 more
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A General Pulse Width Modulation Method for Zero-Voltage-Switching Active-clamping Three-phase Power Converters: Edge Aligned Pulse Width Modulation (EA-PWM)

IEEE Open Journal of Power Electronics, 2020
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
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