Abstract
A hybrid energy system consisting of a wind driven generator (WG) and a power utilities grid are interconnected. The hybrid energy system provides a constant power to an AC load regardless the surrounding weather conditions. The interconnection uses a controlled single phase full wave bridge rectifier. The bridge operates in the inverter mode of operation. This is done in purpose to guaranty the extraction of the real power from the wind driven generator. The extracted power is supplied to a constant AC load and any excess of power from the wind renewable energy source is injected into the power utility grid. At any pretended surrounding weather conditions, maximum extraction of power from the renewable energy source is targeted. This is done through the realization of a self-adjusted firing angle controller responsible of triggering the semiconductor elements of the controlled bridge rectifier. The performance of the proposed system has been simulated in MATLAB/SIMULINK environment and tested practically by building a laboratory prototype model. Quite satisfactory and encouraging results have been obtained.
Highlights
With the increasing concerns about the global warming issue, renewable energy resources turn to be gaining more energy demand applications
Interconnecting a wind driven generator (WG) with an AC supply to feed an AC load with a nearly constant power has been investigated in this paper
The interconnection of wind driven generator has been done through the installation of controlled single full wave bridge rectifier operating in inverter mode of operation
Summary
With the increasing concerns about the global warming issue, renewable energy resources turn to be gaining more energy demand applications. Most (if not all) renewable energy resources suffer currently from the lack of providing constant power. This is due to the uncontrollable change in the surrounding weather and environmental conditions. A glance at the anticipated task from such proposed solution is that at any prospective energy load demand, the energy is guarantied from the DC grid as well as from the AC grid. The present paper combines a wind driven generator (WG) with an available AC power utilities grid to form a hybrid energy system or hybrid energy supply. The overall hybrid energy supply is used to provide an AC load with a nearly constant power at any time of a day and regardless the surrounding weather conditions.
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