In this paper, a single-phase interleaved parallel inverter based on TCM control is studied. The working mode is analyzed in detail, and the implementation process of TCM is introduced. A single-phase interleaved parallel 220 V/400W experimental prototype is built for verification.
In literature , TCM modulation technology is applied to low power inverter to address the significant frequency fluctuation in the fundamental period, and a hysteresis control scheme is proposed to adjust the amplitude of positive and negative envelope.
The TCM switching strategy, which features triangular current waveform and zero voltage switching (ZVS) for greatly reduced switching losses , has been explored widely for PV inverter and power factor correction (PFC) applications while its advantages in variable frequency machine drive are seldom reported.
In order to solve a relevant and practical problem in the field of power electronics, namely, the trade-off between switching frequency, efficiency, and power density in single-phase inverters, the Triangle Current Mode (TCM) modulation is performed in this paper for the single-phase interleaved inverter based on GaN HEMTs.
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Moreover, an interleaved GaN-based megahertz single-phase inverter with digital control is demonstrated with 120 W/in 3 power density. The aforementioned benefits are experimentally …
The experimental results demonstrate the effectiveness of TCM modulation in achieving ZVS for the single-phase inverter. The switching frequency varied between 50 kHz …
In order to verify the zero-voltage turn-on process of the interleaved single-phase inverter under TCM mode, a simulation model and an actual test prototype are constructed to …
Circuit diagram of the proposed soft-switching multilevel TCM inverter in a single-phase configuration, comprising a level stage and a TCM stage supplied by an asymmetrically …
For the following analysis, inverter and machine specifications, based on which case study is constructed, are given in Table I and II, respectively. It should be underlined that the …
An optimization algorithm is established for maximizing the efficiency of the hybrid TCM control based on an analytical loss model of GaN HEMTs in this optimization algorithm, and the …
In this article, a more accurate differential mode (DM) EMI prediction is proposed for MHz TCM-based single-phase inverter. The accurate drain-to-source voltage model …
Moreover, an interleaved GaN-based megahertz single-phase inverter with digital control is demonstrated with 120 W/in 3 power density. The aforementioned benefits are …
In order to further improve the efficiency and power density of the converter, the triangle current mode (TCM) modulation is applied to the single-phase inverter based on GaN …
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