This paper introduces a new inverter circuit that combines the buck DC-DC converter with the traditional 3-phase 2-level inverter to address switching losses on the inverter side. The DC-DC circuit utilizes SiC components, while the DC-AC circuit is built using. . A modular three-phase boost–buck inverter (BBI) is presented in this paper. The BBI has the advantages of voltage step-up/step-down capability, high-quality/low-harmonic output voltage/current waveforms and high eficiency. The operation principle, semiconductor stresses including voltage stress and. . Abstract— Latest dual-gate (2G) monolithic bidirectional (MB) gallium nitride (GaN) enhancement-mode field effect transistors (e-FETs) enable a performance breakthrough of current DC-link inverters, e.g. in terms of power conversion efficiency, power density, cost and complexity. In fact, a single 2G. . In this thesis, the potential of a new bidirectional phase-modular three-phase AC/DC converter with buck-boost capability is evaluated by means of studying two potential application cases and developing a hardware prototype for one of them. The DC-DC inverting buck-boost converter is a well known. . Received: 28/06/2023 This paper proposes a 3-phase 2-level inverter configuration combined with a buck DC-DC converter to improve the switching loss of semiconductor devices. Compared to the traditional 3-phase 2-level inverter configuration, this configuration can reduce the number of switching. . Three-phase DC/AC power converters enable several applications including photovoltaic systems, electric traction inverters, uninterruptible power supplies, and utility systems. The classical three-phase voltage source inverter (VSI) topology only operates in voltage step-down or buck mode of. . Abstract- This article proposes a new single-stage three-phase buck-boost inverter and control scheme, which remarkably reduces both the low and high-frequency ripple components in the input current. The low-frequency ripple component is eliminated by phase-shifting the output three-phase voltages.
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