High conversion ratio converter with ZVS snubber circuit for PV charger application

Author

Lee, Yuang-Shung ; Huang, Sian-Siou ; Yang, Wei-Yi

Author_Institution

Dept. of Electr. Eng., Fu Jen Catholic Univ., Taipei, Taiwan

fYear

2011

fDate

5-8 Dec. 2011

Firstpage

924

Lastpage

930

Abstract

A high conversion ratio DC/DC converter with an active zero-voltage switching (ZVS) snubber circuit incorporated with maximum power point tracking (MPPT) techniques is presented in the paper. The MPPT controllers employ photovoltaic (PV) systems to make the converter output track the maximum PV output power. The active snubber circuit restricts the voltage stresses on the power switches. The simulation and experimental results verify high conversion ratio converter performance. The tracking performance simulations of the perturbation and observation (P&O) and incremental conductance (INC) MPTT are compared in the PV charging system. The tracking performances by INC MPPT controller and waveform of the PV charging system are presented.

Keywords

DC-DC power convertors; maximum power point trackers; photovoltaic power systems; power generation control; power semiconductor switches; snubbers; zero voltage switching; INC MPPT controller; PV charging system; PV systems; active ZVS snubber circuit; active zero-voltage switching snubber circuit; high conversion ratio DC-DC converter; incremental conductance; maximum PV output power; maximum power point tracking controllers; photovoltaic systems; power switches; voltage stress; Capacitors; Computers; Control systems; Magnetomechanical effects; Process control; Radio frequency;

fLanguage

English

Publisher

ieee

Conference_Titel

Power Electronics and Drive Systems (PEDS), 2011 IEEE Ninth International Conference on

Conference_Location

Singapore

ISSN

2164-5256

Print_ISBN

978-1-61284-999-7

Electronic_ISBN

2164-5256

Type

conf

DOI

10.1109/PEDS.2011.6147364

Filename

6147364