The impact of periodic variable switching frequency modulation on power transmission in dual-active-bridge converter and an improved scheme
X Zhao, D Jiang, J Chen, Z Wang… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Variable switching frequency modulation (VSFM) is an effective means to suppress
electromagnetic interference (EMI). It disperses the energy of narrow-band harmonic to a …
electromagnetic interference (EMI). It disperses the energy of narrow-band harmonic to a …
Exploring the influence of switching frequency on the stability in a weak grid: a comprehensive analysis of grid-connected photovoltaic systems
X Fu, X Zhang, F Han, X Zhan, S Yang - Solar Energy, 2024 - Elsevier
Due to the growth of renewable energy sources, including wind and photovoltaic power
generation, the public power grid increasingly exhibits the characteristics of a weak grid …
generation, the public power grid increasingly exhibits the characteristics of a weak grid …
Frequency Design of Three-phase Active Front-End Converter with Reduced Filter in EV Chargers
In recent years, significant research and adoption of periodic variable switching frequency
PWM (P-VSFPWM) have been observed in AC/DC voltage source converters (VSCs). This …
PWM (P-VSFPWM) have been observed in AC/DC voltage source converters (VSCs). This …
Generalized N-State Random Pulse Position Discontinuous PWM for High-Frequency Harmonics Reduction and Performance Improvement at High Modulation Ratios
P Zhang, S Wang, Y Li - IEEE Transactions on Power …, 2024 - ieeexplore.ieee.org
In previous studies, generalized N-state random pulse position space vector pulsewidth
modulation (GNSRPP-SVPWM) has been verified to significantly disperse dominant high …
modulation (GNSRPP-SVPWM) has been verified to significantly disperse dominant high …
iTCM-Operated Three-Phase Three-Wire Voltage-Source Converter System Featuring Capacitor-Split Virtual Ground Connection
High efficiency can be achieved in grid-connected converters (GCC) by implementing a zero
voltage switching (ZVS) mechanism, such as the integrated triangular current mode (iTCM) …
voltage switching (ZVS) mechanism, such as the integrated triangular current mode (iTCM) …
Spectrum-Dispersion Effects of Random Triangular Carrier Wave SVPWM for NPC Three-Level Inverters
J Xu, Z Ouyang, Y Dong, Z Nie - IEEE Transactions on Industrial …, 2023 - ieeexplore.ieee.org
As a modulation technology for low electromagnetic interference, random pulsewidth
modulation has been increasingly applied to inverter power supply for three-phase motors …
modulation has been increasingly applied to inverter power supply for three-phase motors …
An Optimization Method in the Random Switching Frequency SVPWM for the Sideband Harmonic Dispersion
J Wen, X Cheng, Y Gao, J Liu, P Ji… - IEEE Journal of …, 2024 - ieeexplore.ieee.org
The space vector pulsewidth modulation (SVPWM) has been widely used in ac motors
powered by the two-level three-phase inverters. However, significant switching frequency …
powered by the two-level three-phase inverters. However, significant switching frequency …
Three-Phase Two-Level VSIs With Significant PWM Harmonics Dispersion and Improved Performance Using Generalized N-State Random Pulse Position SVPWM …
P Zhang, S Wang, Y Li - IEEE Transactions on Power …, 2023 - ieeexplore.ieee.org
Constant sampling frequency, excellent pulsewidth modulation (PWM) harmonics dispersion
performance, and avoidance or reduction of extra switching counts (ESCs) are three …
performance, and avoidance or reduction of extra switching counts (ESCs) are three …
Kent Map**-based Chaotic Frequency Modulation for Conducted Common-mode EMI Suppression in IPOS Dual Active Bridge Converters
C Zhang, X Ding, Y Zhou, SS Yu… - IEEE Journal of Emerging …, 2024 - ieeexplore.ieee.org
With advancements in wide bandgap devices and electromagnetic materials, dual active
bridge (DAB) converters are widely used, offering benefits like increased power density and …
bridge (DAB) converters are widely used, offering benefits like increased power density and …
An Improved Type of Synchronized Space Vector PWM Based on Switching Angles for High‐Power AC Drive Application
X Fang, Y Sun, L Zhu, L Chen - IEEJ Transactions on Electrical …, 2024 - Wiley Online Library
Synchronized space vector pulse width modulation (SSVPWM) is widely employed in high‐
power AC drive systems. The existing methods are carrier‐based, in which the carrier ratio …
power AC drive systems. The existing methods are carrier‐based, in which the carrier ratio …