A small hydropower generation system that can generate electricity efficiently even with low head and low flow.
Even with fluctuations in flow, stable power generation is possible. Maintenance is easy (measures against debris are straightforward). Fish passages can also be secured, allowing for consideration of biodiversity. Additionally, since it effectively utilizes flow velocity, there is minimal waste of energy, and the risk of overflow is extremely low.
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basic information
This is a generation version of an old wooden waterwheel. The blade shape that can accommodate low drops is iconic.
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Applications/Examples of results
Waterfall structures in rivers, agricultural water channels, industrial water, etc.
Detailed information
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Examples of Agricultural Waterway Installation
Company information
The output mainly supports a range of 5 to 100 kW. Due to unitization, parallel installation is possible. (Note: Strength calculations may be necessary depending on the flow rate.) Brief history: From 2009, collaborated with municipalities such as Okayama City, Tsuyama City in Okayama Prefecture, and Miri City in Hiroshima Prefecture, as well as consulting companies for feasibility studies (demonstration experiments), owning power generation and self-consumption facilities, conducting long-term operational tests, and improving power generation efficiency, with support from the Okayama Prefectural Industrial Promotion Foundation and Nagasaki University Graduate School of Engineering, a fluid research institution, and Nishinihon Fluid Technology Co., Ltd. for collaborative research, optimization, product development, and completion of actual machine installation operations. Patents were registered in October 2020 (including other overseas patents in Europe and the United States, the WaterWeco® trademark, and design registration for the water turbine blade shape). *Installation is possible in suitable locations where installation was previously impossible due to overflow risks. ★ Labor-saving ➣ Easy measures against debris and heavy snowfall (no dust removal device required) ➢ Significant reduction in maintenance costs (initial costs). ★ Automatic layout control mechanism adjusted to flow rate fluctuations ➢ Stable power generation efficiency during the period. ★ Consideration for biodiversity ➣ Even when installed in rivers where fish migrate, fish passages can be secured. ★ Awards and technology registration history: Various awards including the Eco-Products Award and the Chairman's Award from the Invention Association, and registration with UNIDO STePP.