Modulation Index Control of a Sinusoidal Pulse Width Modulation Inverter Fed from an Autonomous Hybrid Wind-Driven Permanent Magnet Alternator and Photovoltaic Array

The implementation of a feedback controller for a voltage source inverter for obtaining constant-amplitude, constant-frequency supply from an integrated wind - photovoltaic system has been presented in this paper. The complete model of the system is developed. The steady-state analysis of the wind-g...

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Bibliographic Details
Published inAustralian journal of electrical & electronics engineering Vol. 6; no. 2; pp. 191 - 204
Main Authors Sait, H.H., Daniel, S.A.
Format Journal Article
LanguageEnglish
Published Routledge 01.01.2009
Subjects
hybrid generators
Inverter
PM alternator
PV array
SPWM control
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Summary:The implementation of a feedback controller for a voltage source inverter for obtaining constant-amplitude, constant-frequency supply from an integrated wind - photovoltaic system has been presented in this paper. The complete model of the system is developed. The steady-state analysis of the wind-generator has been carried out and the critical wind-speed above which the wind-generator will supply the load has been determined. The various operating modes of the hybrid scheme have been identified from the analysis. The contribution of power from both the sources under varying environmental conditions has also been identified from the analysis. The inherent balance of power between the sources in the absence of battery bank is demonstrated through simulation. Experimental waveforms obtained from a laboratory test-rig of the scheme are also presented.
ISSN:1448-837X
2205-362X
DOI:10.1080/1448837X.2009.11464237