Hardware implementation of optimization technique based sensorless MPPT method for grid-connected PV generation system

Author

Park, Sangsoo ; Kim, Sang-Yong ; Jang, Seong-Jae ; Kim, Gyeong-Hun ; Seo, Hyo-Ryong ; Park, Minwon ; Yu, In-Keun

Author_Institution

Dept. of Electr. Eng., Changwon Nat. Univ., Changwon, South Korea

fYear

2009

fDate

15-18 Nov. 2009

Firstpage

1

Lastpage

6

Abstract

This paper describes hardware implementation of optimization technique based sensorless MPPT (maximum power point tracking) method for grid-connected PV (photovoltaic) generation system. A DC-DC converter has been used to step-up the PV system voltage. Optimization technique (Simplex) has been implemented to optimize the current and voltage controller gain parameters. Optimization of duty ratio increment is applied for the speed and stability of MPPT. Hardware implementation results revealed that the proposed control scheme has better response. The experimental results are compared to the simulation results and discussed in detail.

Keywords

DC-DC power convertors; electric current control; optimisation; photovoltaic power systems; power generation control; stability; voltage control; DC-DC converter; current controller gain parameters; grid-connected photovoltaic generation system; optimization technique; sensorless maximum power point tracking method; stability; voltage controller gain parameters; DC-DC power converters; Hardware; Mesh generation; Optimization methods; Photovoltaic systems; Power generation; Sensorless control; Solar power generation; Stability; Voltage control; Boost converter; Current control; DC-AC converter; Grid connection; MPPT; Optimization; POS (PV Output Sensorless); PV (PhotoVoltaic);

fLanguage

English

Publisher

ieee

Conference_Titel

Electrical Machines and Systems, 2009. ICEMS 2009. International Conference on

Conference_Location

Tokyo

Print_ISBN

978-1-4244-5177-7

Electronic_ISBN

978-4-88686-067-5

Type

conf

DOI

10.1109/ICEMS.2009.5382689

Filename

5382689