Controller Verification of a Smart-Grid Compatible 200 kHz Single-stage Photovoltaic Microinverter

Zakzewski, Daniel; Resalayyan, Rakesh; Hasnain, Arafat; Singhabahu, Chanaka; Khaligh, Alireza

doi:10.1109/apec43580.2023.10131580

Controller Verification of a Smart-Grid Compatible 200 kHz Single-stage Photovoltaic Microinverter

Conference · 19 March 2023 · 2023 IEEE Applied Power Electronics Conference and Exposition (APEC)

DOI:https://doi.org/10.1109/apec43580.2023.10131580· OSTI ID:2007663

Zakzewski, Daniel ^[1]; Resalayyan, Rakesh ^[1]; Hasnain, Arafat ^[1]; Singhabahu, Chanaka ^[1]; Khaligh, Alireza ^[1]

The Institute for Systems Research, University of Maryland,Maryland Power Electronics Laboratory,Department of Electrical and Computer Engineering,College Park,United States

This paper presents control system design, implementation, and experimental validation of a single-stage 400 W, 200 kHz solar photovoltaic (PV) microinverter using hardware-in-the-loop (HIL) and hardware testing. The selected circuit topology is based on a Gallium Nitride (GaN) direct-matrix based dual active bridge (DAB) converter with a low voltage active power decoupler (APD) circuit. Control performance is verified, smart-grid compatibility is tested, and circuit operation is confirmed. Controller HIL (CHIL) is shown to aid in a complex power electronics system design by 1) enabling detailed control development prior to hardware implementation, 2) expanding the use of automated testing, and 3) increasing confidence in control performance prior to prototype testing. Altogether, these factors make HIL a valuable tool in complex power electronic designs.

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Research Organization:: Univ. of Maryland, College Park, MD (United States)

Sponsoring Organization:: USDOE Office of Energy Efficiency and Renewable Energy (EERE)

DOE Contract Number:: EE0008350

OSTI ID:: 2007663

Report Number(s):: DOE-UMD-8350-7

Journal Information:: 2023 IEEE Applied Power Electronics Conference and Exposition (APEC), Conference: 2023 IEEE Applied Power Electronics Conference and Exposition (APEC), Orlando, FL, USA, 2023

Country of Publication:: United States

Language:: English

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