Results 51 to 60 of about 182 (112)
IET Power Electronics, Volume 17, Issue 15, Page 2344-2357, 25 November 2024.The proposed partitioned hybrid PWM strategy can restrict the common‐mode voltage within 1/6 of the DC voltage, while it makes a balance with the THD of the three‐phase current waveforms and the loss of the three‐level inverter compared to the conventional PWM strategy.
Cheng Song, Libo Wang, Jinhua Du
wiley +1 more source
, 2014 Single-phase voltage source converter (VSC) is an important power electronic converter (PEC), including single-phase voltage source inverter (VSI), single-phase voltage source rectifier (VSR), single-phase active power filter (APF) and single-phase grid ...
Yang, Xijun +7 more
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Peak-Zero-DPWM for Improving Performance of Single-Phase Five-Level T-Type NPC Inverter
IEEE AccessThe discontinuous pulse width modulation (DPWM) improves the efficiency and reliability of power devices by reducing the switching losses. However, it aggravates the Total Harmonic Distortion (THD) of outputs and the reliability of DC-link capacitors ...
Taerim Ryu, Ui-Min Choi
doaj +1 more source
IEEE Access, 2022 When pulse width modulation (PWM) technique is used for permanent magnet synchronous motors (PMSMs) for compressors, current harmonics in the carrier frequency domain are inevitably generated.
Chi-Sung Park +4 more
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A Novel Carrier Scheme Combined with DPWM Technique in a ZVS Grid-Connected Three-Phase Inverter
, 2022 In this paper, a novel switching scheme using discontinuous pulse-width modulation (DPWM) for a zero-voltage switching (ZVS) grid-connected three-phase inverter is proposed. ZVS in the main and auxiliary switches was achieved.
Yi-Hung Liao, Jiong-Ye Chen, Ying Zhou
core +1 more source
IET Power Electronics, Volume 17, Issue 13, Page 1621-1631, 14 October 2024.An incremental predictive control strategy based on unipolar pulse width modulation (PWM) is proposed in the non‐commutation interval to double the current ripple frequency, which can reduce the current ripple. On this basis, the prediction equations of adjacent control periods are subtracted to eliminate the influence of non‐ideal back‐electromotive ...
Chong Zeng +3 more
wiley +1 more source
A DPWM with High Efficiency and Low CMV for DMC
, 2022 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
, 2018 This paper proposes discontinuous pulse width modulation (DPWM) for a grid-connected inverter system using an LCL-filter which consists of two inductors and a capacitor that is connected in parallel per phase.
Jin-Hyuk Park, Kyo-Beum Lee
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A Bidirectional Grid-Tied ZVS Three-Phase Converter Based on DPWM and Digital Control
Energies, 2023 In this paper, a bidirectional grid-tied ZVS three-phase converter is proposed. The circuit operation principle in both the rectifier and inverter modes was analyzed. The proposed topology could achieve zero-voltage switching in the six main switches and
Yi-Hung Liao +4 more
doaj +1 more source
Novel clamping modulation for three‐phase buck‐boost ac choppers
Electronics Letters, Volume 60, Issue 13, July 2024.Three‐phase ac choppers feature output voltage amplitude controllability and enable more compact system realizations compared to autotransformers. However, these systems suffer from offset voltage drift, which was so far addressed by means of lossy discharge resistors. This paper proposes and verifies experimentally a novel clamping modulation ensuring
David Menzi +3 more
wiley +1 more source