The instantaneous AC-side output power of a two-stage single-phase inverter pulsates at twice the output voltage frequency, inducing second harmonic current (SHC) in the front-end DC–DC
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The front-end dc-dc converter (FDC) converts varying and/or mismatching input voltage to a specified voltage that is suitable for the desired ac output. The back-end dc-ac inverter realizes the inverter
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To reduce the SHC in the inductance branch while maintaining good dynamic performance, this paper proposes a control scheme based on a new inductor current feedback path
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This paper focuses on the SHC reduction for a two-stage single-phase inverter with boost-derived front-end converter.
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Abstract This article proposes a method to effectively suppress second-harmonic current (SHC) of dual active bridge (DAB) converter, which adopts the triple-phase shift (TPS) modulation
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The two-stage PV grid-connected inverter mainly controls the DC link voltage (front stage) and the inverter drive signal (back-stage). Meanwhile, there is closed-loop control between the front and back
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This paper presents a review of front-end dc-dc boost converters in a typical two-stage $mu$ -Is. Various boosting techniques incorporated in the converters to attain high gain are illustrated and
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Among them, the front-stage DC-DC converter is used to achieve electrical matching and electrical isolation, and the latter-stage inverter converts direct current into alternating current.
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The second harmonic voltage in the DC link could increase the system loss and decrease the stability of the converter system, and its generation process and transmission mechanism are
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Due to the components at twice the fundamental frequency of output voltage in the instantaneous output power of a two-stage single-phase inverter (TSI), the second harmonic current
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