Integrated Control of Energy Management for Stand-Alone PV System

Author

Qi Zhiyuan ; Wang Shengtie ; Liu Guangchen ; Tian Guizhen

Author_Institution

Fac. of Inf. Eng., Inner Mongolia Univ. of Technol., Hohhot

fYear

2009

fDate

27-31 March 2009

Firstpage

1

Lastpage

4

Abstract

The operating characteristics of stand-alone PV system are analyzed in order to improve the efficiency of PV arrays and prolong battery life in this paper. The transition diagram of its various working states is also established. An energy management method that integrates maximum power tracking control, load power tracking control, fast charge with variable current and discharge control for battery is presented. Simulation results show that working states are reasonably switched according to the load and weather condition, and the operation status of battery is also improved. Thus the suggested control method is helpful to optimize stand-alone PV system operation.

Keywords

energy management systems; photovoltaic power systems; power control; power generation control; solar cells; PV arrays; battery life; discharge control; energy management; load condition; load power tracking control; solar energy; stand-alone PV generation system integrated control; weather condition; Batteries; Centralized control; Control systems; Energy management; Polarization; Power control; Power generation; Power generation economics; Power system reliability; Solar energy;

fLanguage

English

Publisher

ieee

Conference_Titel

Power and Energy Engineering Conference, 2009. APPEEC 2009. Asia-Pacific

Conference_Location

Wuhan

Print_ISBN

978-1-4244-2486-3

Electronic_ISBN

978-1-4244-2487-0

Type

conf

DOI

10.1109/APPEEC.2009.4918440

Filename

4918440