Implementation of a single-stage single-phase grid connected PV converter

This paper presents the implementation of a simple and robust single-stage single-phase PV inverter with classical H-bridge inverter. A control algorithm for this converter is proposed integrating MPPT, DC link voltage regulation and inverter output current control in a cascaded control loop. The MP...

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Bibliographic Details
Published in2017 Brazilian Power Electronics Conference (COBEP) pp. 1 - 6
Main Authors Gonzatti, R. B., Guimaraes, B. P. B., Pereira, R. R., Borges da Silva, L. E., Lambert-Torres, G.
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.11.2017
Subjects
Current control
Distributed Generation
Inverters
Maximum power point trackers
MPPT
Oscillators
Power Quality
PV Inverter
Resonant Controller
Steady-state
Topology
Voltage control
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Summary:This paper presents the implementation of a simple and robust single-stage single-phase PV inverter with classical H-bridge inverter. A control algorithm for this converter is proposed integrating MPPT, DC link voltage regulation and inverter output current control in a cascaded control loop. The MPPT is a modified P&O with adaptive perturbation step and the output converter control is based on PR controllers. Both control algorithms are presented and explained in detail. Experimental results using a test bench built to emulate the behavior of a PV array are presented to demonstrate the control transient and steady state performance.
DOI:10.1109/COBEP.2017.8257230