NDLI: An interleaved flyback inverter for residential photovoltaic applications

Content Provider	IEEE Xplore Digital Library
Author	Tamyurek, B. Kirimer, B.
Copyright Year	2013
Description	Author affiliation: Electr. & Electron. Eng. Dept., Eskisehir Osmangazi Univ., Eskisehir, Turkey (Tamyurek, B.; Kirimer, B.)
Abstract	This study presents the analysis, design, and implementation of a photovoltaic (PV) inverter for residential applications based on interleaved flyback topology operated in discontinuous current mode (DCM). It is expected that the use of solar energy in small electric power system applications will increase largely when the cost of the PV panels and the energy conversion equipment becomes economical for every user. Therefore, the objective of this study is to develop a low-cost inverter system. The cost reduction is achieved by selecting the lowest cost converter topology, simplifying the control system, and making a compact and small size converter. The selected topology and the operating mode are known to yield the lowest component count and so the lowest cost. The paper first performs analysis and design on a 1 kW system then obtains the PLECS and the Simulink models for simulation. Later, using the simulation results, the inverter design and the controller performance are verified and optimized for the given specifications. Lastly, a full-scale prototype is built and evaluated under realistic conditions. Based on the experimental results, the implemented design and the controller can extract the energy from the solar panels with 97% efficiency and transfer it to the grid with high power quality and with 86.14% static efficiency at full load. The total harmonic distortion (THD) of the grid current is measured as 3.68% and the power factor is very close to unity. Consequently, the experimental results demonstrate that the proposed inverter system and its design perform successfully and comply with the existing PV inverter specifications.
Starting Page	1
Ending Page	10
File Size	838348
Page Count	10
File Format	PDF
ISBN	9781479901166
DOI	10.1109/EPE.2013.6634424
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-09-02
Publisher Place	France
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Insulated gate bipolar transistors Interleaved converters Harmonics Pulse Width Modulation (PWM) Photovoltaic Switches Flyback transformers Inverters Topology Power transformers Inductors
Content Type	Text
Resource Type	Article

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