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First realisation of a Golomb ruler staircase inverter for photovoltaic applications

Ramli, NM and Walker, SD (2013) First realisation of a Golomb ruler staircase inverter for photovoltaic applications. In: UNSPECIFIED, ? - ?.

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Abstract

This paper proposes a new direct-conversion, dc to ac multi-level inverter for photovoltaic applications based on the previously unexploited Golomb (and sparse ruler) number theorems. This allows individual panel outputs to be aggregated in an optimal fashion to produce low-distortion, approximate sine wave outputs with the option of panel blocking in the event of shading. The main advantages of the Golomb structure over the conventional contiguous block arrangement is that it provides 36% less series resistance loss, is transformer-less and runs at the order of 1000 times lower frequency; hence virtually eliminating switching losses. Here we describe a low power prototype which shows just 2% or 16.9dB power distortion with 6 levels compared to the 17.2dB theoretical value. © 2013 IEEE.

Item Type: Conference or Workshop Item (Paper)
Additional Information: Published proceedings: 2013 5th Computer Science and Electronic Engineering Conference, CEEC 2013 - Conference Proceedings
Subjects: Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Divisions: Faculty of Science and Health > Computer Science and Electronic Engineering, School of
Depositing User: Users 161 not found.
Date Deposited: 10 Sep 2015 15:09
Last Modified: 30 Jan 2019 16:18
URI: http://repository.essex.ac.uk/id/eprint/14863

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