Stability Analysis of a Boost Converter with an MPPT Controller for Photovoltaic Applications

被引：0
|
作者：
El Aroudi, A. [1 ]
Zhioua, M. [2 ]
Al-Numay, M. [3 ]
Garraoui, R. [4 ]
Al-Hosani, K. [5 ]
机构：
[1] Univ Rovira & Virgili, E-43007 Tarragona, Spain
[2] Univ Tunis El Manar, Tunis, Tunisia
[3] King Saud Univ, Riyadh, Saudi Arabia
[4] Univ Gabes, Gabes, Tunisia
[5] Petr Inst, Abu Dhabi, U Arab Emirates
来源：
PROCEEDINGS OF THE MEDITERRANEAN CONFERENCE ON INFORMATION & COMMUNICATION TECHNOLOGIES 2015, VOL 1 | 2016年 / 380卷
关键词：
DC-DC converters; PV applications; MPPT; Instability; BIFURCATIONS;
D O I：
10.1007/978-3-319-30301-7_51
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 an analysis of the nonlinear dynamics of a current-fed boost converter for PV applications with an MPPT algorithm. First, the model of the converter is derived. Simulation results using this model show that the system can exhibit period doubling bifurcation and subharmonic oscillation when some design parameters are varied. Then, the discrete-time modeling approach and Floquet theory is used to perform a stability analysis of the system periodic orbits, to explain the mechanism of losing their stability and to locate the stability limits in the parameter space. Based on the study, a design of the system free from the undesired subharmonic oscillation can be done. The theoretical results are validated by means of numerical simulations from the circuit-level switched model.
引用
收藏
页码：483 / 491
页数：9
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