Modeling and Design of Single-Phase PV Inverter with MPPT Algorithm Applied to the Boost Converter Using Back-Stepping Control in Standalone Mode

被引：19

作者：

Diouri, Omar ^{[1
]}

Es-Sbai, Najia ^{[1
]}

Errahimi, Fatima ^{[1
]}

Gaga, Ahmed ^{[1
]}

Alaoui, Chakib ^{[2
]}

机构：

[1] Sidi Mohamed Ben Abdellah Univ Fez, Fac Sci & Technol, Lab Renewable Energies & Intelligent Syst LERSI, Elect Dept, Fes, Morocco

[2] EUROMED Univ, Euro Mediterranee, INSA, Fes, Morocco

来源：

INTERNATIONAL JOURNAL OF PHOTOENERGY | 2019年 / 2019卷

关键词：

NONLINEAR BACKSTEPPING CONTROLLER; PHOTOVOLTAIC SYSTEM; OUTPUT VOLTAGE;

D O I：

10.1155/2019/7021578

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

We propose a high-performance and robust control of a transformerless, single-phase PV inverter in the standalone mode. First, modeling and design of a DC-DC boost converter using a nonlinear back-stepping control was presented. The proposed converter uses a reference voltage that is generated by the Perturb and Observe (P&O) algorithm in order to extract the maximum power point (MPP) by responding accurately to varying atmospheric conditions. Another goal for using the boost converter is to raise the voltage at the input of the inverter without using a transformer in this system, thus making the system more compact and less expensive. Secondly, the single-phase H-bridge inverter was controlled by using back-stepping control in order to eliminate the error between the output voltage of the inverter and the desired value, even if there is acute load variation at the output of the inverter. The stability of the boost converter and H-bridge inverter was validated by using Lyapunov's stability theory. Simulation results show that the proposed PV system with back-stepping controllers has a good extraction of the MPP with an efficiency of 99.93% and 1 ms of response time. In addition, the sinusoidal form of the output voltage of the inverter is fixed to 220 V and the total harmonic distortion of the output voltage was found to be less than 1%.

引用

页数：16

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