Grid Connected PV System with Maximum Power Point Estimation based on Reference Cells

被引：0

作者：

Silva, Jose ^{[1
]}

Espinoza, Jose ^{[1
]}

Rohten, Jaime ^{[1
]}

Torres, Miguel ^{[1
]}

Espinosa, Eduardo ^{[2
]}

机构：

[1] Univ Concepcion, Dept Elect Engn, Concepcion, Chile

[2] Catholic Univ Most Holy Concepcion, Dept Environm Engn & Nat Resources, Concepcion, Chile

来源：

IECON 2015 - 41ST ANNUAL CONFERENCE OF THE IEEE INDUSTRIAL ELECTRONICS SOCIETY | 2015年

关键词：

power converter control; maximum power point estimation; photovoltaic generation system; reference cells;

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：

This paper proposes a control strategy for a single-stage, three-phase photovoltaic (PV) system connected to a distribution network. The control entails obtaining the maximum power point of the PV system by means of a control strategy that is based on an inner current-control loop and an outer DC-link voltage regulator. The current-control mechanism decouples the PV system dynamic from those of the network and searches for unitary power factor at the grid side. The DC-link voltage-control scheme achieves maximum active power output. The maximization of the output power is performed by operating the PV array at its maximum power point that is estimated by a proposed technique that uses two PV measuring cells, one operating in open-circuit and the other one in short-circuit.

引用

页码：4070 / 4075

页数：6

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