A Curve Tracer for Photovoltaic Modules Based on The Capacitive Load Method

被引：1

作者：

Bastos Junior, Emerson Abreu ^{[1
]}

Amaral da Luz, Caio Meira ^{[1
]}

Oliveira, Tatiane Martins ^{[1
]}

Rodarte Rios, Lara Ana ^{[1
]}

Vicente, Eduardo Moreira ^{[1
]}

Tofoli, Fernando Lessa ^{[1
]}

机构：

[1] Univ Fed Sao Joao del Rei, Dept Eletr Engn, Sao Joao Del Rei, Brazil

来源：

2019 IEEE 15TH BRAZILIAN POWER ELECTRONICS CONFERENCE AND 5TH IEEE SOUTHERN POWER ELECTRONICS CONFERENCE (COBEP/SPEC) | 2019年

关键词：

curve tracer; capacitive load method; photovoltaic solar energy; photovoltaic system modeling; I-V;

D O I：

10.1109/cobep/spec44138.2019.9065553

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 work presents the development of a current versus voltage (I-V) curve tracer of photovoltaic (PV) modules based on the capacitive load method, being this an important approach for checking the integrity of PV devices and also the extraction of intrinsic parameters for modeling purposes. The tracer employs a microcontroller to manipulate the data acquired from current and voltage sensors associated with the module output quantities. For comparison purposes, three different values of capacitance are used to trace I-V characteristic of a 5-Wp module, as it is possible to verify that the capacitor charging time has direct influence on the number of acquired points that constitute the curve.

引用

页数：6

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