Sensitivity Analysis of a Current-Source Inverter-Based Three-phase Grid-connected Photovoltaic System

被引：0
|
作者：
Dash, Prajna Paramita [1 ]
Kazerani, Mehrdad [2 ]
机构：
[1] Energent Inc, Kitchener, ON, Canada
[2] Univ Waterloo, Dept ECE, Waterloo, ON, Canada
来源：
2016 IEEE ELECTRICAL POWER AND ENERGY CONFERENCE (EPEC) | 2016年
关键词：
PV System; CSI; Small-Signal Model; Sensitivity Analysis;
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：
In this paper, first, a novel accurate small-signal model of a three-phase current source inverter (CSI)-based grid-connected photovoltaic (PV) system is derived. The model takes into account the nonlinear characteristics of PV arrays, as well as the controller and grid-side dynamics. Then, the developed small-signal model is employed to investigate the impact of different parameters on the stability of the CSI-based PV system, through sensitivity analysis. The sensitivity to variations of different parameters is assessed by tracking the positions of real parts of the eigenvalues corresponding to the dominant state variables in the s-plane. Insolation level, controller gains, and grid inductance are the parameters considered to study the sensitivity of state variables.
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页数：8
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