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CLC number: TK1; TK02

On-line Access: 2011-06-07

Received: 2010-07-13

Revision Accepted: 2010-12-27

Crosschecked: 2011-04-11

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Journal of Zhejiang University SCIENCE A 2011 Vol.12 No.6 P.470-474


Experimental research on charging characteristics of a solar photovoltaic system by the pressure-control method

Author(s):  Hua Zhu, Zhang-lu Xu, Zi-juan Cao

Affiliation(s):  Institute of Thermal Science and Power Systems, Zhejiang University, Hangzhou 310027, China

Corresponding email(s):   zhuhua@zju.edu.cn

Key Words:  Solar photovoltaic (PV) system, Charging characteristics, Pressure-control method

Hua Zhu, Zhang-lu Xu, Zi-juan Cao. Experimental research on charging characteristics of a solar photovoltaic system by the pressure-control method[J]. Journal of Zhejiang University Science A, 2011, 12(6): 470-474.

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author="Hua Zhu, Zhang-lu Xu, Zi-juan Cao",
journal="Journal of Zhejiang University Science A",
publisher="Zhejiang University Press & Springer",

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%T Experimental research on charging characteristics of a solar photovoltaic system by the pressure-control method
%A Hua Zhu
%A Zhang-lu Xu
%A Zi-juan Cao
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%DOI 10.1631/jzus.A1000335

T1 - Experimental research on charging characteristics of a solar photovoltaic system by the pressure-control method
A1 - Hua Zhu
A1 - Zhang-lu Xu
A1 - Zi-juan Cao
J0 - Journal of Zhejiang University Science A
VL - 12
IS - 6
SP - 470
EP - 474
%@ 1673-565X
Y1 - 2011
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.A1000335

The charging characteristics of the valve-regulated lead acid (VRLA) battery driven by solar energy were experimentally studied through the pressure-control method in this paper. The aims of the research were to increase charging efficiency to make the most of solar energy and to improve charging quality to prolong life of battery. The charging process of a 12 V 12 A·h VRLA battery has been tested under the mode of a stand-alone photovoltaic (PV) system. Results show that the pressure-control method can effectively control PV charging of the VRLA battery and make the best of PV cells through the maximum power point tracking (MPPT). The damage of VRLA battery by excess oxygen accumulation can be avoided through the inner pressure control of VRLA battery. Parameters such as solar radiation intensity, charging power, inner pressure of the battery, and charging current and voltage during the charging process were measured and analyzed.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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