Compensation Loop Design of A Photovoltaic System Based on Constant Voltage MPPT

被引：0
|
作者：
Ye Zhihao [1 ]
Wu Xiaobo [1 ]
机构：
[1] Zhejiang Univ, Inst VLSI Design, Hangzhou 310027, Peoples R China
来源：
2009 ASIA-PACIFIC POWER AND ENERGY ENGINEERING CONFERENCE (APPEEC), VOLS 1-7 | 2009年
关键词：
Photovoltaic; constant voltage MPPT; transfer function; switch average model; loop compensation;
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 presents an approach to design a high performance compensation loop for a photovoltaic system based on Constant Voltage (CV) Maximum Power Point Tracking (MPPT) method, which is quite different from that of common DC/DC converter. The dynamic model of the power module, which is implemented by a Buck converter, is established using Switch Average Model. Based on the analysis of the dynamic model, a PID controller is designed to compensate the loop. Wide phase margin, amplitude margin and bandwidth are achieved by introducing the compensation stage. Finally, the performance of the photovoltaic system with and without compensation is simulated and compared using Cadence Spectre.
引用
收藏
页码：1797 / 1800
页数：4
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