In the two-stage converter such as PV renewable energy system, the second harmonic fluctuation exists in the DC voltage due to the power coupling between the DC-link and AC system. The second harmo
Abstract and Figures The instantaneous output power of the two-stage inverter pulsates at twice the output frequency, resulting in the second
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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
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Second Harmonic Current Reduction for Two-Stage Single-Phase Inverter with Boost-Derived Front-End Bus-Voltage-Controlled Converter Abstract This chapter focuses on the second
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The proposed architecture is applied to an LED driver circuit, and two implementations are demonstrated: a wide input voltage range dc-dc converter and a line interfaced ac-dc converter.
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In a two-stage inverter, the instantaneous output power pulsates at twice the output frequency (2fo), generating the second harmonic current (SHC), which will p
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For the two-stage single-phase power factor correction (PFC) converter, its instantaneous input power pulsates at twice the line frequency, generating the second harmonic current (SHC) at
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Grid-connected distributed generation sources interfaced with voltage source inverters (VSIs) need to be disconnected from the grid under: 1)excessive dc-link voltage;
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A typical two-stage inverter is composed of a front-end DC-DC converter and a single-phase inverter on its output side [3]. Dual active bridge
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In a two-stage inverter, the instantaneous output power pulsates at twice the output frequency (2<italic>f</italic><sub>o</sub>), generating the second harmonic current (SHC), which will
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The instantaneous output power of the two-stage single-phase grid-connected photovoltaic (PV) inverter pulsates at twice the line frequency (2f o), generating second harmonic current (SHC)
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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
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Abstract—Grid-connected distributed generation sources inter-faced with voltage source inverters (VSIs) need to be disconnected from the grid under: 1) excessive dc-link voltage; 2) excessive
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Two-Stage Isolated PCS which using dual active bridge (DAB) as the front-stage and three phase inverter as the back-stage is widely used for it can realize high frequency
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The instantaneous output power of the two-stage single-phase inverter pulsates at twice the output voltage frequency, resulting in the second-harmonic current (SHC) in the front
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The instantaneous output power of the two-stage single-phase inverter pulsates at double-line frequency, generating a large amount of second harmonic current in the front-end
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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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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
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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
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Finally, a 6-kVA two-stage three-phase dc-ac inverter with boost + LLC converter as the front-end dc-dc converter was fabricated and tested in the lab. The experimental results
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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
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Abstract— In this research paper design, analysis and comparison of single stage and two stages Photovoltaic inverter connected to weak grid system is executed in terms of their maximum
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PESC Record - IEEE Annual Power Electronics Specialists Conference, 2004 This paper presents an AC-DC-AC switched-mode power supply composed of two power stages. The first
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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
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A photovoltaic (PV) grid-connected inverter converts energy between PV modules and the grid, which plays an essential role in PV power generation systems. When compared
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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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