In the third generation of the In-building Hydropower System, the hydraulic design of the hydro turbine has been improved to enhance efficiency. The new system also features magnetic coupling for transmission and sealing, which does not require external power source, minimising the likelihood of wear-and-tear. Furthermore, a sub-system of bypass is designed to prevent excessive water pressure reduction and ensure normal water supply to the properties.
The system has an output of about 200W when consuming 3 bar water pressure, generating hydroelectricity in a green and low-cost way while reducing carbon emissions. About 1.4 tonne of carbon dioxide emission can be saved per annum, which is equivalent to about 60 trees.
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