The dynamic characteristics of photovoltaic generation system under partially shaded conditions

Author

Jinghong Zheng ; Yuan Chai ; Shouzhen Zhu ; Xinwei Shen ; Jinxia Li ; Xiaoyu Wang

Author_Institution

Dept. of Electr. Eng., Tsinghua Univ., Beijing, China

fYear

2013

fDate

8-11 Dec. 2013

Firstpage

1

Lastpage

4

Abstract

This paper presents a simplified photovoltaic array model to describe the photovoltaic system features under partially shaded conditions. Based on the proposed model, the peak power sliding phenomenon of photovoltaic generation is studied during the above mentioned system dynamic process. The paper analyzes the mechanism of the peak power sliding and the critical sliding conditions. Simulation cases are provided to verify the theoretical analysis. The simulation results also show the difference of dynamic characteristics between shaded photovoltaic system and non-shaded photovoltaic system.

Keywords

photovoltaic power systems; solar cell arrays; critical sliding conditions; dynamic characteristics; non-shaded photovoltaic system; partially shaded conditions; peak power sliding phenomenon; photovoltaic array model; photovoltaic generation system; system dynamic process; Arrays; Circuit faults; Mathematical model; Maximum power point trackers; Photovoltaic systems; Semiconductor diodes; Dynamic characteristics; partially shaded conditions; peak power sliding; photovoltaic array model; photovoltaic generation system;

fLanguage

English

Publisher

ieee

Conference_Titel

Power and Energy Engineering Conference (APPEEC), 2013 IEEE PES Asia-Pacific

Conference_Location

Kowloon

Type

conf

DOI

10.1109/APPEEC.2013.6837194

Filename

6837194