A Maximum Power Point Tracker using Positive Feedforward Control based on the DC Motor Dynamics and PVM Mathematical Model

被引：1
|
作者：
Gonzalez-Llorente, Jesus [1 ]
Ortiz-Rivera, Eduardo I. [1 ]
Diaz, Andres [1 ]
机构：
[1] Univ Puerto Rico, Dept Elect & Comp Engn, Mayaguez, PR 00681 USA
来源：
2009 IEEE INTERNATIONAL ELECTRIC MACHINES & DRIVES CONFERENCE, VOLS 1-3 | 2009年
关键词：
PHOTOVOLTAIC GENERATORS;
D O I：
10.1109/IEMDC.2009.5075215
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper presents a maximum power tracking method for DC motor fed from photovoltaic modules (PVM) through step-down power converter. This method employs positive feedback of motor speed; therefore, only DC motor speed measurements are required. The designed control law is based on mathematical model of DC motor and power converter, and also, variations of optimal maximum power point (MPP) are considered at different values of irradiance. Optimal MPP is approximated by method known as linear reoriented coordinates method (LRCM). Finally, a simple analog circuit is designed and implemented, which calculates optimal duty ratio for power converter according to DC motor speed.
引用
收藏
页码：259 / 264
页数：6
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