Objective
The construction and operation of a novel low head hydroelectric generating unit which comprises an automatic valve system which is centrally located between two air chambers. The valves operate such that as one chamber fills with water the other empties. Air in a closed circuit above the two chambers oscillates between them as first one chamber then the other is filled/emptied. A unidirectional Wells air turbine in the air circuit harnesses the energy of the air moving back and farth.
It is anticipated that the annual energy production will be 394,000 kWh and that the total unit cost will be L 0.023 per kWh.
The site for this demonstration project is on the River Dove at Hanging Bridge, Mayfield in Derbyshire. The ground belongs to Bowmer Bond Ltd and a supply leat and control works exist from a previous water wheel installation. The double box system will pass water from the leat to a by-pass channel. The key components of the system are the automatically controlled valves, which are arranged as a series of vertical, rotating louvres set in a cross formation, and which divert the water to supply and empty both chambers alternately. In the closed air circuit mounted above the chambers there is a self rectifying Wells air turbine, in turn connected to an asynchronous generator, the output of which will be directly connected to the local grid.
The design features of the plant are as follows;
Water head 2.75 m
Water flow 4.0 m3/s
Turbine speed 4800 rev/min
Generator speed 3000 rev/min
Generator output 30 kW
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Programme(s)
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Multi-annual funding programmes that define the EU’s priorities for research and innovation.
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Funding Scheme
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Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Coordinator
DG14 0RG Canonbie
United Kingdom
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.