AWARDSSHORTLIST
PV Application Award
lightweight technology in an ancient symbol. The embedded redundant control engineering systems has simple and practical outcomes, namely low voltage energy, clean stored water, LED lighting and shelter support options in one easy-to-carry spear, while retaining the symbolic power of the spear.
The Power & Water Spear
A spear is a universal symbol of power. In this context, it is literally a low weight source of power (electric power and light), plus the ability to clean, store and transfer water. When carried, it has the characteristics of a classic spear, but when deployed, it offers so much more. It is a life support system and becomes the centre piece of a tent or shelter.
The practical use of renewable energy for light, electricity, clean water including storage and shelter in one easily identified package that represents power and command.
Ranging down from the top .... The thin film flexible PV array slides out of the protective tube and hangs on a lightweight ‘coat hanger’ frame. It has both parallel and series cell strings for operational redundancy. The heat of the PV array can also be setup as a micro desalination facility of dirty and/or salt water to capture clean water. Rain or pumped up water is held in the upper, outer tank.
Using the renewable energy, this water is cleaned and transferred to the inner clean water tank. The upper tank can also be used to hold green plants so that with the evaporation process, moisture from the plants can be captured and used as drinking water. The spear holds a quantity of NiHd batteries to store energy until needed for pumping, water cleaning or low cost electricity delivery.
A small AM/FM/SW radio can be included in the spear. It can also recharge cell phones, which can be used for remote banking as per the Vodafone African experience. LED lighting is part of the package. The pole can be used as a structural member for a tent or shelter.
How does the product / process or innovation solve the problem? It puts the key elements for a sustainable remote life support into one package. It could also be used for hunting for food in special situations.
The power and water spear packages sought after high tech, robust,
By driving the spear into a riverbed, even an apparently dry water course, then water can be extracted, processed and stored. The unit does also include pull out plastic tubing and simple 2 core wiring, which allows transfer of electricity and water from the spear to a more convenient place. The power and water spear brings together multiple renewable and sustainable elements into one package. The integration of the system maximises the efficiency and reduces the weight and control complexity of individual packages. Sample units of The power and water spear have been delivered to the Village Green Community Foundation. This foundation plans to offer the units for sponsored aid programs.
How do customers benefit ? The main benefit is an integrated and automated system without the complexity of having to assemble together multiple elements. It is self testing and includes redundancy to sustain operations as long as possible.
PV Application Award
47
Solar light that“walks smart”
One of the usual features of street solar lighting is the stand-alone function so no external wiring or other connection is needed to the outside world. It is actually better if there is a smart information (radio or infrared) connection between the independent solar light systems, so the solar light installation at one point anticipate the approach and passing of a walker or rider at night, and then signal to the next appropriate light in the direction of travel, so increasing the light illumination level at the next solar light.
By this system, the solar illumination ‘walks smart’ with you and provides progressive lighting levels dependent on the speed of the walker or bike rider. It also saves considerable energy for other support purposes like 24/7 video recording of passersby’s onto solid state SD memory cards if needed by police etc. energy source and successfully meet a load over many seasons of
www.solar-pv-management.com Issue V 2010
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