Adaptive Saturation Scheme for a Multifunctional Single-Phase Photovoltaic Inverter

被引：0
|
作者：
Xavier, Lucas S. [1 ]
Cupertino, Allan F. [1 ,2 ,3 ]
Pereira, Heverton A. [1 ,3 ]
机构：
[1] Univ Fed Vicosa, Gerencia Especialistas Sistemas Eletr Potencia, Av PH Rolfs S-N, BR-36570000 Vicosa, MG, Brazil
[2] Ctr Fed Educ Tecnol Minas Gerais, Dept Mat Engn, Av Amazonas 5253, BR-30421169 Belo Horizonte, MG, Brazil
[3] Univ Fed Minas Gerais, Grad Program Elect Engn, Av Antonio Carlos 6627, BR-31270901 Belo Horizonte, MG, Brazil
来源：
2014 11TH IEEE/IAS INTERNATIONAL CONFERENCE ON INDUSTRY APPLICATIONS (INDUSCON) | 2014年
关键词：
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Power inverters are essential components of photovoltaic systems and are designed to process the rated power generated by solar plant. Due to variations in solar irradiance, inverters have a current margin, which can be used in reactive power and harmonics compensation. This possibility, known as multifunctional operation, can be interesting in terms of power factor improvement and voltage control at point of common couple (PCC). Many works propose control strategies for multifunctional inverters. However, during multifunctional operation current limit of the inverter cannot be exceeded. Therefore, inverter needs to compensate partially reactive power and harmonics of the load. This fact is few related in literature. This work proposes a scheme of current dynamic saturation in order to compensate partially reactive power and harmonics of the load. This scheme is based on peak detection algorithm and prioritizes reactive power compensation. Conservative Power Theory (CPT) is used to separate the load current components. Simulation results show performance of the proposed dynamic saturation technique, providing adequate operation of the inverter and partial compensation.
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页数：8
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