Interleaved flyback micro-inverter with primary side current control for PV application
Ruttanayukol, Jamrus, Du, Yang, Xiao, Weidong, and Elmoursi, Mohamed (2014) Interleaved flyback micro-inverter with primary side current control for PV application. In: Proceedings of the 3rd Renewable Power Generation Conference. From: RPG 2014: 3rd Renewable Power Generation Conference, 24-25 September 2014, Naples, Italy.
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Abstract
In this paper, the interleaved flyback inverter is proposed since the topology has been widely used for PV grid-tied micro-inverter applications. The micro-inverter configuration allows to control each photovoltaic (PV) module independently and reduce the mismatch loss, which is common in string and utility inverters. Flyback inverter traditionally operates in discontinuous conduction mode (DCM) or boundary conduction mode (BCM) due to its simplicity in controller design. In this study, the controller has been designed for continuous conduction mode (CCM) operation in order to reduce component stress and increase power density. The current control is based on the primary side, which is an indirect regulation for the grid outflow. A small signal model is also developed for the controller synthesis. Simulation verifies the performance of the proposed inverter.
Item ID: | 58399 |
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Item Type: | Conference Item (Research - E1) |
ISBN: | 978-1-84919-917-9 |
Keywords: | Flyback inverter, continuous conduction mode (CCM), grid connected, primary current control, photovoltaic (PV) power system |
Copyright Information: | (C) IET |
Date Deposited: | 31 Aug 2021 02:20 |
FoR Codes: | 09 ENGINEERING > 0906 Electrical and Electronic Engineering > 090608 Renewable Power and Energy Systems Engineering (excl Solar Cells) @ 100% |
SEO Codes: | 85 ENERGY > 8505 Renewable Energy > 850504 Solar-Photovoltaic Energy @ 100% |
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