Benchmarking of grid fault modes in single-phase grid-connected photovoltaic systems

Yongheng Yang; Frede Blaabjerg; Zhixiang Zou

doi:10.1109/ECCE.2012.6342228

Benchmarking of grid fault modes in single-phase grid-connected photovoltaic systems

Authors:

Yang, Yongheng ;
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0000-0002-1488-4762
Department of Energy Technology, The Faculty of Engineering and Science, Aalborg University
Blaabjerg, Frede ;
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0000-0001-8311-7412
Department of Energy Technology, The Faculty of Engineering and Science, Aalborg University
Zou, Zhixiang
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Southeast University

DOI:

10.1109/ECCE.2012.6342228

Abstract:

Pushed by the booming installations of single-phase photovoltaic (PV) systems, the grid demands regarding the integration of PV systems are expected to be modified. Hence, the future PV systems should become more active with functionalities of low voltage ride-through (LVRT) and the grid support capability. The control methods, together with grid synchronization techniques, are responsible for the generation of appropriate reference signals in order to handle ride-through grid faults. Thus, it is necessary to evaluate the behaviors of grid synchronization methods and control possibilities in single phase systems under grid faults. The intent of this paper is to present a benchmarking of grid fault modes that might come in future single-phase PV systems. In order to map future challenges, the relevant detection and control strategies are discussed. Some faulty modes are studied experimentally and provided at the end of this paper. It is concluded that there are extensive control possibilities in single-phase PV systems under grid faults. The Second Order General Integral based PLL technique might be the most promising candidate for future single-phase PV systems because of its fast adaptive-filtering characteristics and is able to full fill future standards.

ISBN:

9781467308014, 9781467308021

Type:

Conference paper

Language:

English

Published in:

Proceeding of the Ieee Energy Conversion Congress & Exposition, Ecce 2012, 2012, p. 4370-4377

Main Research Area:

Science/technology

Publication Status:

Published

Review type:

Peer Review

Conference:

the Fourth IEEE Energy Conversion Congress and Exposition, ECCE 2012

Publisher:

IEEE Press

Submission year:

2012

Scientific Level:

Scientific

ID:

232636751

Benchmarking of grid fault modes in single-phase grid-connected photovoltaic systems

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