Comparison of Current Control Methods for Grid-Connected Low-Power Single-Phase Converters

被引：0

作者：

Martins, Antonio ^{[1
]}

Vale, Sandro ^{[1
]}

Sobrado, Vitor ^{[1
]}

Carvalho, Adriano ^{[1
]}

机构：

[1] Univ Porto, Fac Engn, Dept Elect & Comp Engn, Rua Dr Roberto Frias S-N, P-4200465 Oporto, Portugal

来源：

IECON 2014 - 40TH ANNUAL CONFERENCE OF THE IEEE INDUSTRIAL ELECTRONICS SOCIETY | 2014年

关键词：

DC-AC converter control; Pulse-width modulation; Renewable energy systems; Single-phase systems; Voltage source converter; CONTROL STRATEGY;

D O I：

暂无

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Renewable energy sources are still increasing their penetration in the electric energy system. Their connection to the grid is being done at continuously reduced power. So, a robust current controller is one of the main requirements in a grid-connected voltage source converter, namely in distributed energy sources where the connection can be made to weak grids. Additionally, achieving unity power factor with low harmonic distortion, tight DC voltage regulation and robustness to grid disturbances are required. The paper compares two current control methods: hysteresis and PWM-based, and presents simulation and experimental results demonstrating the main issues in their design.

引用

页码：4211 / 4217

页数：7

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