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Small wind turbine technology application for residential uses
Author(s)
Zentani, Ahmed Taher Ahmed
Date Issued
2020
Type
Thesis
Publisher
Cape Peninsula University of Technology
Abstract
As a result of environmental concerns, the depletion of fossil fuel, and the increase in
energy demand, renewable sources' penetration is expanding day after day. However,
because of their dependency on weather conditions, renewable sources impose new
challenges on the power system. To accommodate these sources into the conventional
power system, the structure of the power system should be changed. The concept of
the microgrids is regarded as the appropriate solution for the grid integration of
renewable sources. Microgrids refer to small power systems with control capabilities
operating in grid connection and in offgrid modes. Microgrids can be classified as DC,
AC, or hybrid microgrids. DC microgrids have emerged as sustainable solutions
combining both energy storage and distributed generation to provide power to DC loads
such as LED lights, computer chargers, Electric Vehicles, computers, laptops, TVs,
tablets, phones, printers, etc. This study considers a DC microgrid based on a small
wind turbine. The aim is to design a 3 kW standalone wind turbine DC microgrid to
provide power to residential appliances operating at 240 V in case of power shortage
or power cuts from the primary power grid. The system consists of a small wind turbine
using an AC permanent magnet synchronous generator, a three-phase diode rectifier,
a DC-to-DC boost converter, and a maximum power point tracker based on the Perturb
and Observe (P&O) technique. MATLAB/Simulink software package is used for the
modelling and simulation.
energy demand, renewable sources' penetration is expanding day after day. However,
because of their dependency on weather conditions, renewable sources impose new
challenges on the power system. To accommodate these sources into the conventional
power system, the structure of the power system should be changed. The concept of
the microgrids is regarded as the appropriate solution for the grid integration of
renewable sources. Microgrids refer to small power systems with control capabilities
operating in grid connection and in offgrid modes. Microgrids can be classified as DC,
AC, or hybrid microgrids. DC microgrids have emerged as sustainable solutions
combining both energy storage and distributed generation to provide power to DC loads
such as LED lights, computer chargers, Electric Vehicles, computers, laptops, TVs,
tablets, phones, printers, etc. This study considers a DC microgrid based on a small
wind turbine. The aim is to design a 3 kW standalone wind turbine DC microgrid to
provide power to residential appliances operating at 240 V in case of power shortage
or power cuts from the primary power grid. The system consists of a small wind turbine
using an AC permanent magnet synchronous generator, a three-phase diode rectifier,
a DC-to-DC boost converter, and a maximum power point tracker based on the Perturb
and Observe (P&O) technique. MATLAB/Simulink software package is used for the
modelling and simulation.
Additional information
Thesis (MTech (Electrical Engineering))--Cape Peninsula University of Technology, 2020
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