Title :
A current control MPPT method in high power solar energy conversion system
Author :
Bin Wu ; Keyue, Smedley
Author_Institution :
Power Electron. Lab., Univ. of California, Irvine, Irvine, CA, USA
Abstract :
The traditional method of MPPT control for singlestage three/single-phase inverter typically adjusts the DC voltage reference corresponding to the power variation of PV array. This method usually has two control loops which exhibit slow response speed. This paper discusses the series connection model of solar panes and partial shading issue aroused by it. Then it proposes a direct current control method to realize MPPT for single-stage three-phase inverter featuring fast response against disturbance and reduces the DC voltage ripple. The proposed MPPT method is illustrated in detail accompanied with a stability analysis method. Simulation results are given to validate the proposed algorithm and theory.
Keywords :
angular velocity control; electric current control; invertors; maximum power point trackers; phase control; photovoltaic power systems; power control; power generation faults; power system stability; solar power stations; DC voltage reference; DC voltage ripple; PV array; current control MPPT method; high power solar energy conversion system; partial shading issue; power system disturbance; series connection model; single-stage three-single-phase inverter; solar panel; stability analysis method; Integrated circuits; Inverters; Mathematical model; Maximum power point trackers; Photovoltaic cells; Stability analysis; Voltage control;
Conference_Titel :
Applied Power Electronics Conference and Exposition (APEC), 2014 Twenty-Ninth Annual IEEE
Conference_Location :
Fort Worth, TX
DOI :
10.1109/APEC.2014.6803735
