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RENEWABLE ENERGY


have intermittent access. Getting reliable power to these people is complex and challenging. Hurdles to be tackled span a long list, including remote or difficult to access locations; lack of infrastructure investment; and less experience of renewable energies and their associated technologies. However, some novel energy harvesting technology from a UK-headquartered firm could assist in overcoming some of these challenges.


WHAT IS A WITT? A WITT energy harvesting system


BLOWS IN P


NEW CONCEPT


Could a wind energy harvester help to meet the power needs of developing countries?


ower needs in developing countries are huge. Over a billion people have no access to modern energy provision and a further billion only


uses natural occurring motional energy (NOME) that is all around us – in water, wind, humans and animals – taking all the chaotic motion clockwise, anti-clockwise, back and forth and up and down (six degrees) and turns a flywheel in one direction, harvesting the energy and turning it into electrical power using clever electronics. Te power can be stored in a battery and called upon when needed.


Te aim is to take natural energy and turn it into useable power, providing a clean, green solution that has clear merits for developing countries. Although the WITT energy concept has many


ways of harvesting power to provide an affordable solution (subsea being a prime example of an area that is currently being commercialised), particularly of interest to developing countries is the WITT approach to harvesting wind energy. In this solution, a WITT ‘dragonfly’ can be easily assembled to harvest all wind energy and the energy can be stored and used in remote locations or in townships to provide power for cooking, lighting, etc.


Te dragonflies are ideal for emerging economies as they are light and easily deployed, making them useful for remote locations. Te generator and assembly are close to the ground, which means that no special equipment is required for maintenance.


The dragon fly is an easy to aseemble wind energy harvester


24 www.engineerlive.com


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