Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/33372
Title: Three-level grid-connected photovoltaic inverter with maximum power point tracking
Authors: Tsang, KM 
Chan, WL 
Keywords: Grid-connected interface
Maximum power point tracking
Photovoltaic array
Issue Date: 2013
Publisher: Pergamon Press
Source: Energy conversion and management, 2013, v. 65, p. 221-227 How to cite?
Journal: Energy conversion and management 
Abstract: This paper presents a systematic way of designing control scheme for a grid-connected photovoltaic (PV) inverter featuring maximum power point tracking (MPPT) and grid current shaping. Unlike conventional design, only four power switches are required to achieve three output levels and it is not necessary to use any phase-locked-loop circuitry. For the proposed scheme, a simple integral controller has been designed for the tracking of the maximum power point of a PV array based on an improved extremum seeking control method. For the grid-connected inverter, a current loop controller and a voltage loop controller have been designed. The current loop controller is designed to shape the inverter output current while the voltage loop controller can maintain the capacitor voltage at a certain level and provide a reference inverter output current for the PV inverter without affecting the maximum power point of the PV array. Experimental results are included to demonstrate the effectiveness of the tracking and control scheme.
URI: http://hdl.handle.net/10397/33372
ISSN: 0196-8904
EISSN: 1879-2227
DOI: 10.1016/j.enconman.2012.08.008
Appears in Collections:Journal/Magazine Article

Access
View full-text via PolyU eLinks SFX Query
Show full item record

SCOPUSTM   
Citations

45
Last Week
0
Last month
3
Citations as of Oct 12, 2017

WEB OF SCIENCETM
Citations

39
Last Week
1
Last month
0
Citations as of Oct 16, 2017

Page view(s)

67
Last Week
3
Last month
Checked on Oct 16, 2017

Google ScholarTM

Check

Altmetric



Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.