Single-Phase Seven-Level Grid-Connected Photovoltaic System with Ripple Correlation Control Maximum Power Point Tracking

被引：0
|
作者：
Sandeep, N. [1 ]
Udaykumar, R. Y. [1 ]
机构：
[1] Natl Inst Technol Karnataka, Dept Elect & Elect Engn, Surathkal 575025, India
来源：
INTERNATIONAL JOURNAL OF RENEWABLE ENERGY RESEARCH | 2016年 / 6卷 / 04期
关键词：
Maximum power point tracking; multilevel inverter; topology;
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 puts forward a control scheme for single-phase photovoltaic (PV) fed grid connected with cascade H-bridge (CHB) inverter. A unique control strategy based on the voltage ratio is proposed and is embedded with ripple correlation control (RCC) based maximum power point tracking (MPPT) to ensure the efficient energy conversion. The control scheme employed enables the independent operation and control of individual DC link voltage, ensuring the extraction of maximum power available from each PV panel. In addition, low harmonic grid currents are generated with an arbitrary power factor. Independent control of active and reactive power is exercised by decoupled component method. Numerical simulation was performed using the MATLAB/SIMULINK platform and results for three H-bridge cells connected in series are presented to support the theoretical concepts and control scheme proposed.
引用
收藏
页码：1260 / 1266
页数：7
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