Abstract
Contemporary Hybrid Solar-Wind farms are implemented using separate solar Photovoltaic (PV) cell arrays and wind turbines, where electricity generated from both devices are combined. However, this solution requires a large amount of space to cater for the PV arrays and wind turbines of the system. This paper proposes a new type of renewable energy electric generator with a small power production footprint (PPF) that allows reduction in land usage. The technology introduced in this True Hybrid Wind-Solar (THWS) generator allows for the solar panels to rotate along with a VAWT wind turbine it is attached to through a specially designed electromechanical coupling mechanism. The working principal behind the connections described in this paper. The design of a hybrid circuit module that serves to combine current generated via the solar cells and wind generator and also automatically disconnects inactive wind or solar generators is also described. This is important in order to eliminate unwanted loads generated from the inactive generators from within the THWS itself.
Highlights
In the past decade, the world has seen an exponential increase in energy demand
The simplified schematic of a conventional hybrid windsolar farm is shown in Fig.2.When the wind blows, the turbines generate DC current that is fed directly to the wind charge controller (WCC) and when the Sun is shining, the solar panels generate DC current that is fed to the solar charge controller (SCC)
We propose that rotating solar panels that move along with a wind turbines blade is to be used for the generation of hybrid wind-solar generators
Summary
The world has seen an exponential increase in energy demand. Fig 1. shows the source of actual energy consumption from 1990-2015 and its projected path from 2016 to 2040 [1]. Along with the rise in world demand for energy from renewable sources, a multitude of information is obtained concerning operators of large scale solar, wind and hybrid wind-solar energy for the public. Once a piece of land has been commissioned to build a mega scale solar plant, it is rendered unusable for agriculture and settlement for at least a 20 year period which is as long as powers purchase agreement This is one of the disadvantages of large scale solar energy generation. Information on its respective solar, wind and total output capacity is presented These hybrid plants have dedicated land to house PV cell arrays and wind turbines to produce electricity. The most efficient and well-designed large scale solar or wind farms require on average 4 acres of land to generate 1MW of electricity at full capacity [6,7,8,9,10,11,12,13,14,15]
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