NDLI: A novel deadbeat controller for single phase PV grid connected inverters

Content Provider	IEEE Xplore Digital Library
Author	Jahanbakhshi, M.-H. Asaei, B. Farhangi, B.
Copyright Year	2015
Description	Author affiliation: Scholl of Electr. & Comput. Eng., Univ. of Tehran, Tehran, Iran (Jahanbakhshi, M.-H.; Asaei, B.; Farhangi, B.)
Abstract	Single-phase PWM Voltage-Source Inverters are widely employed for Photovoltaic (PV) grid connected systems. Since the voltage at the Point of Common Coupling (PCC) is regulated by the grid, the current control strategy of the grid-connected inverters play a dominant role in providing high power quality for the grid. This paper presents a novel deadbeat current controller for single phase PV grid connected inverters. This control method uses discrete-time model of the system in order to produce the inverter voltage for reaching the current reference. In comparison with earlier works, the resistance between the inverter and the grid is modeled in the proposed controller, which improves the controller performance. Despite a more accurate model, the controller is simplified; thus, the implementation is simpler. The proposed controller is applied to the H-Bridge inverter along with the unipolar modulation. Simulation results validate the controller performance in different conditions including current reference tracking, grid variations, and line filter tolerances.
Starting Page	1613
Ending Page	1617
File Size	1361814
Page Count	5
File Format	PDF
e-ISBN	9781479919727
DOI	10.1109/IranianCEE.2015.7146477
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-05-10
Publisher Place	Iran
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Photovoltaic systems Resistance Deadbeat control PV grid connected inverter Switches Current controller Inverters Mathematical model Voltage control
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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