Analysis and design of L + LCL-filtered dual-frequency single
Abstract: To increase the efficiency of the grid-connected inverter, this study proposes an L + LCL-filtered dual-frequency single-phase grid-connected inverter.
Analysis and control of single‐phase transformerless
To simplify the inverter topology and suppress the leakage current more effectively, a novel transformerless dual-frequency grid-connected inverter with a common
Grid Harmonics Suppression for Three Phase Dual-Frequency
Thus, a novel three-phase dual-frequency GCI is presented to ensure the symmetry of the output power and the stable operation of the system address stability issues.
Research on the stability of a three-phase dual-frequency grid
This paper investigates a novel three-phase dual-frequency grid-connected inverter, which reduces switching losses by lowering the switching frequency of the power devices and energy
A Novel Parallel Dual-frequency Grid-connected Inverter
A novel parallel dual-frequency single-phase grid-connected inverter (PDF inverter) is proposed to improve the quality of the output current and reduce the loss
Analysis and control of single‐phase transformerless dual‐frequency
To simplify the inverter topology and suppress the leakage current more effectively, a novel transformerless dual-frequency grid-connected inverter with a common
Grid-Forming Inverters: A Comparative Study
This approach ensures stable operation in both islanded and grid-connected modes, providing essential grid support functions such as frequency and voltage regulation.
Analysis of circulating current elimination Based on Three Phase Dual
This study examines a three-phase dual-frequency grid-connected inverter designed to minimize switching losses by reducing the switching frequency in the energy transmission channel.
Grid Harmonics Suppression for Three Phase Dual-Frequency Grid
Thus, a novel three-phase dual-frequency GCI is presented to ensure the symmetry of the output power and the stable operation of the system address stability issues.
Grid-Forming Inverters: A Comparative Study
This approach ensures stable operation in both islanded and grid-connected modes, providing essential grid support functions such as
Control Scheme and Performance Analysis of Dual-Frequency
Since the filters used in the proposed inverter are all L type filters, the system stability is guaranteed under weak grid. The simulation and experimental results are provided
Two-stage grid-connected inverter topology with high frequency
These recent studies have contributed to the understanding and advancement of two-stage grid-connected inverter topologies with high-frequency link transformers, providing
Analysis and design of L + LCL-filtered dual-frequency single
, Shuo Liu2VDC2 VDC2 (11)2 KL2s3 + 1/3ωres KL2s2 + KL2s8 ConclusionsIn this paper, an L + LCL-filtered dual-frequency single-phase grid-connected inverter is proposed. To reduce switching losses, the main low-frequency unit transforms electric energy into the grid at the low switching frequency. The high-frequency unit actively suppresses the grid current harmonics using the feed-forward method. The passive dampi...See more on ietresearch.onlinelibrary.wiley IOPscience
Research on the stability of a three-phase dual-frequency grid
This paper investigates a novel three-phase dual-frequency grid-connected inverter, which reduces switching losses by lowering the switching frequency of the power devices and energy
Grid Harmonics Suppression for Three Phase Dual-Frequency Grid
Thus, a novel three-phase dual-frequency GCI is presented to ensure the symmetry of the output power and the stable operation of the system address stability issues.