A novel MPPT charge regulator for a photovoltaic stand-alone telecommunication system

Author

Barca, G. ; Moschetto, A. ; Sapuppo, C. ; Tina, G.M. ; Giusto, R. ; Grasso, A.D.

Author_Institution

DIEES-IDRILAB, Univ. of Catania, Catania

fYear

2008

fDate

11-13 June 2008

Firstpage

235

Lastpage

238

Abstract

An improved MPPT (Maximum Power Point Tracking) algorithm charge controller exploiting an interleaved synchronous buck converter has been designed and realized to extract the maximum power from a photovoltaic panel. The converter sends the available photovoltaic energy to a battery pack thanks to an input control loop that reads the input voltage and limits the output current of the converter, thus fixing the photovoltaic panel voltage to its maximum power value. The MPPT is achieved through a microcontroller based PAO (Perturb And Observe) algorithm. The converter is capable of driving two separate battery packs thanks to two onboard solid-state switches, thus allowing a longer life cycle and a better energy management.

Keywords

power convertors; solar cell arrays; telecommunication power supplies; tracking; MPPT charge regulator; interleaved synchronous buck converter; maximum power point tracking; microcontroller based PAO; perturb-observe algorithm; photovoltaic panel; stand-alone telecommunication system; Algorithm design and analysis; Batteries; Buck converters; Microcontrollers; Photovoltaic systems; Regulators; Solar power generation; Switching converters; Telecommunication control; Voltage control; BATTERY; MOSFET; MPPT; SOC;

fLanguage

English

Publisher

ieee

Conference_Titel

Power Electronics, Electrical Drives, Automation and Motion, 2008. SPEEDAM 2008. International Symposium on

Conference_Location

Ischia

Print_ISBN

978-1-4244-1663-9

Electronic_ISBN

978-1-4244-1664-6

Type

conf

DOI

10.1109/SPEEDHAM.2008.4581203

Filename

4581203