Dynamic and steady-state characteristics of dc machines fed by photovoltaic systems

被引:6
作者
Widyan M.S. [1 ]
Al Tarabsheh A.I. [1 ]
Etier I.Y. [1 ]
Hanitsch R.E. [2 ]
机构
[1] Electrical Engineering Department, Hashemite University
[2] Institute of Energy and Automation Technology, Berlin University of Technology, D-10587 Berlin
关键词
Dynamical analysis of DC machines; Photovoltaic cells; Steady-state output characteristics;
D O I
10.2316/Journal.205.2010.3.205-5236
中图分类号
学科分类号
摘要
This paper presents the dynamical model and analysis of DC shunt, series and permanent-magnet (PM) motors fed by photovoltaic (PV) energy systems at different illuminations. At the full solar intensity, the maximum power point of current/voltage (I/V) characteristic of the PV modules is designed to be at the rated conditions of the machines. The nonlinear behaviour of I/V characteristics of the PV modules and that of the magnetization curve of the ferromagnetic materials of the machines are approximated by polynomial curve fitting. The dynamical analysis of the machines fed by fixed terminal voltage has also been carried out and a comparison between the cases of supplying the motors by fully illuminated solar cells, partially illuminated solar cells and fixed terminal voltage is addressed. The steady-state output characteristics, and the torquespeed characteristics, of the three DC motors with the two inputs are presented and compared. All the simulations are executed using MATLAB.
引用
收藏
页码:353 / 360
页数:7
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