Original Research

Development and implementation of a compound converter in solar energy systems

S. J. B. Hartman
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie | Vol 11, No 4 | a547 | DOI: https://doi.org/10.4102/satnt.v11i4.547 | © 1992 S. J. B. Hartman | This work is licensed under CC Attribution 4.0
Submitted: 09 July 1992 | Published: 09 July 1992

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S. J. B. Hartman,, South Africa

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The converter proposed here is a compound photovoltaic converter system that has been implemented with a power rating of 1,5 kVA at an array voltage of 96 V, using a 24 V battery bank. The converter system combines the functions of inversion, battery regulation and maximum power point tracking of the solar array into a single cost-effective converter. Maximum power point tracking is performed by controlling the voltage and frequency of the AC output. A description of this converter, and an explanation of the control strategy employed, are provided together with practical results measured on the prototype converter. This compound topology has a high conversion efficiency from solar array to load.


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