Results 81 to 90 of about 182 (112)

Simulation and experimental tests of a real-time DPWM technique for the control of VSI-IM Drive

, 2017
In the present paper experimental and simulation results of three phase voltage source inverter (3P-VSI) controlled by the strategy called discontinuous pulse width modulation technique (DPWM_3) corresponding to four saturation of 30° are presented. This
Zaamouche, Fares, Saad, Salah, Hamiche, Larbi, Chouaf, Fethi   +3 more
core  

An extended dual input dual output three level Z source inverter with improved switch loss reduction technique

Journal of Electrical Systems and Information Technology, 2016
Multilevel inverter (MLI) is a proven technology used for industrial applications due to low output total harmonic distortion (THD), high power handling capability and low active device rating.
N.B. Deshmukh, R.D. Thombare, M.M. Waware, D.S. More   +3 more
doaj   +1 more source

Sideband Vibro-Acoustics Suppression and Numerical Prediction of Permanent Magnet Synchronous Motor Based on Markov Chain Random Carrier Frequency Modulation

Applied Sciences
This paper presents a Markov chain random carrier frequency modulation (MRCFM) technique for suppressing sideband vibro-acoustic responses caused by discontinuous pulse-width modulation (DPWM) in permanent magnet synchronous motors (PMSMs) for new energy
Yong Chen, Bingxiao Yan, Liming Zhang, Kefu Yao, Xue Jiang   +4 more
doaj   +1 more source

Modulated Model Predictive Control Strategies for Low-Inductance High-Speed PMSM Drives: A Comparative Analysis

Energies
Model predictive control (MPC) is one of the advanced control strategies implemented for different applications to provide better performance and faster dynamic response. Modulated model predictive control (M2PC) is one of the recent MPC structures.
Ahmed Aboelhassan, Shuo Wang, Xiaoyan Huang, Giampaolo Buticchi, Liang Yan, Ahmed M. Diab   +5 more
doaj   +1 more source

Simplified Carrier-Based SVDPWM Methods Using Reduced Common Mode Voltage Vector Redundancy for Improving Output Current Ripple in Four-Level NPC Inverter

IEEE Access
In this article, new fast and Three-level reduced common-mode voltage (RCMV) space vector Discontinuous pulse width modulation (SVDPWM) strategies are proposed to achieve high performance in four-level neutral point clamped (4L-NPC) inverters.
Le Nam Pham, Quoc Dung Phan, Nho-van Nguyen   +2 more
doaj   +1 more source

Power Cycling Lifetime Improvement of Three-level NPC Inverters with an Improved DPWM Method

, 2016
This paper investigates the power cycling lifetime of a three-phase three-level neutral-point-clamped (NPC) inverter used in a 50-kVA adjustable speed drive (ASD).
He, Jiangbiao, Wei, Lixiang, Demerdash, Nabeel   +2 more
core  

Discontinuous PWM techniques in three-phase power converters [PDF]

, 2020
Discontinuous pulse-width modulation (DPWM) techniques are used three-phase power converters to improve their efficiency. When power losses are reduced, less cooling equipment is needed. Therefore, smaller devices can be manufactured with fewer expenses.
Kujala, Johannes
core  

A highly effective and simplified DPWM algorithm for NPC inverters for high power factor load applications

In recent years, high-power three-level neutral point clamped (NPC) inverters have significantly increased, particularly in the renewable energy sector and industries. These inverters are crucial in applications such as offshore wind farms and high-power
Pham, Minh-Duc; Ho Chi Minh City University of Technology (HCMUT), Nguyen, Nho Van; Ho Chi Minh City University of Technology (HCMUT), Nguyen, Duc Hung; Ho Chi Minh City University of Technology (HCMUT)   +2 more
core   +1 more source

A Two-Degree-of-Freedom DPWM Strategy for Loss-Harmonic Collaborative Optimization in Three-Phase VSCs

IEEE Access
With the trend toward miniaturization and high integration in urban distribution networks, the thermal management of three-phase voltage-source converter (VSC) faces severe challenges due to high switching frequency and power loss-driven junction ...
Haizhou Ying, Ye Tao, Chenxin Dong, Xinchen Chen, Shuolin Zhang   +4 more
doaj   +1 more source

Analysis and Implementation of the MNRV DPWM Methods Applied to Single-Phase Diode-Clamped Four-Level PWM Inverter

IEEE Access
This paper introduces the multi-neighboring reference vector discontinuous pulse-width modulation (MNRV DPWM) with offset voltage injection methodology tailored for single-phase diode-clamped four-level PWM inverters.
Min-Sup Song
doaj   +1 more source