Current Improvement of a Grid-Connected Photovoltaic System under Unbalanced Voltage Conditions

被引：0
|
作者：
Mirhosseini, Mitra [1 ]
Pou, Josep [1 ]
Agelidis, Vassilios G. [1 ]
机构：
[1] Univ New S Wales, Australian Energy Res Inst, Sydney, NSW 2052, Australia
来源：
2013 IEEE ECCE ASIA DOWNUNDER (ECCE ASIA) | 2013年
关键词：
Photo voltaic system; Power system faults; Fault-ride-through; Reactive power support; Moving average filter;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
This paper discusses the performance of a large-scale grid-connected photovoltaic system (GCPS) under unbalanced voltage sag conditions in the grid. By applying the droop control to address the low-voltage-ride-through (LVRT) capability, the output currents are no longer sinusoidal due to the oscillations produced in the current references. To deal with this problem a moving average filter (MAF) technique is proposed. Beside this application, there are other advantages of applying the MAF which are described in this paper. Selected simulation results using MATLAB/Simulink for a 1-MVA GCPS confirm the effectiveness of the proposed method.
引用
收藏
页码：66 / 72
页数：7
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