DC Voltage Regulation of Solar PV/Wind and Biofuel System Incorporating Battery Storage
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Date
2021-11-12
Journal Title
Journal ISSN
Volume Title
Publisher
University of Dar es Salaam
Abstract
Tanzania has several places which lack the access to grid. These areas can be powered by
utilizing hybrid energy systems (HES) such as solar photovoltaic, wind, and biodiesel. However,
such a system produces voltage control challenges at the DC bus due to stochastic nature of those
sources, if battery is not coupled. Therefore, this paper first proposes a HES that is coupled to a
battery. Secondly, it proposes a control that can regulate the three sources of energy such that the
DC bus is maintained at 750 V. Simulation results have shown that a conventional proportional
and integral controller can achieve DC bus voltage regulation for the system proposed in this
paper regardless of irradiance variation, wind speed variation, or the load variation. This type of
energy sources is feasible for use in rural arrears of Tanzania.
Description
Keywords
hybrid energy system, biodiesel, DC-DC boost converter, solar photovoltaic