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High-buck in Buck and High-boost in Boost Dual-Mode Inverter (Hb2DMI)
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| Title: | High-buck in Buck and High-boost in Boost Dual-Mode Inverter (Hb2DMI) | Authors: | Abbaszadeh, Mohammad-Ali; Monfared, Mohammad; Heydari-Doostabad, Hamed | Permanent link: | http://hdl.handle.net/10197/12655 | Date: | Jun-2021 | Online since: | 2021-11-16T15:17:25Z | Abstract: | The application of the dual-mode time-sharing technique in a novel transformerless photovoltaic (PV) inverters is proposed and investigated. The simultaneous high step-down or high step-up conversion with 97.6 % peak efficiency and injected current with THD < 2% is achieved. The leakage current problem, which is a main concern with the transformerless PV inverters, is around 20 mA. The indirect current control, especially at transition modes of operation is highly improved by utilizing a fast dead-beat control scheme. The working principles of the proposed converter show that the step-down and the step-up voltage gains are (D/(1-D)) 2 and D/(1-D) 2 , respectively. Furthermore, a 1 kW, 220 VAC and 200 VDC experimental prototype is implemented to confirm the theoretical achievements. | Funding Details: | Science Foundation Ireland | Type of material: | Journal Article | Publisher: | IEEE | Journal: | IEEE Transactions on Industrial Electronics | Volume: | 68 | Issue: | 6 | Start page: | 4838 | End page: | 4847 | Copyright (published version): | 2020 IEEE | Keywords: | Inverters; Inductors; Pulse width modulation; Topology; Capacitors; High-voltage techniques; Switches | DOI: | 10.1109/tie.2020.2988240 | Language: | en | Status of Item: | Peer reviewed | ISSN: | 0278-0046 | This item is made available under a Creative Commons License: | https://creativecommons.org/licenses/by-nc-nd/3.0/ie/ |
| Appears in Collections: | Electrical and Electronic Engineering Research Collection |
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