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Title: Gearless Micro Hydropower Plant for Small Water-Course
Authors: Dementiev, Yuriy Nikolaevich
Kuzmin, Roman Olegovich
Serikov, Aleksandr Aleksandrovich
Suzdorf, Viktor Ivanovich
Negodin, Kirill Nikolaevich
Vayda, Ishtvan
Keywords: micro hydropower plant; arc-shape inductor generator; form factor; design solutions; parameter optimization; ripple factor; chamfer angle; ГЭС; индукторные генераторы
Issue Date: 2017
Publisher: Томский политехнический университет
Citation: Gearless Micro Hydropower Plant for Small Water-Course / Yu. N. Dementiev [et al.] // Acta Polytechnica Hungarica. — 2017. — Vol. 14, iss. 4. — [P. 155-166].
Abstract: The paper focuses on problem of development of autonomous power-supply systems based on micro hydropower plants, which are using small watercourse power. The design and development of such systems is influenced by a number of conflicting objectives. The power source has to generate ac voltage with steady-state magnitude and frequency and, at the same time, it has to be fairly simple and inexpensive. One of the future-proof designs that provides fulfillment of the above mentioned requirements is a gearless micro hydropower plant with a combined impeller of axial-flow turbine and an electric arc-shape inductor generator. The authors have identified how geometrical parameters of the arcshape inductor generator influences the machine operation factors. In addition, they have found that the air gap impacts the ripple factor significantly. Finally the paper shows functional dependence of the slot chamfer factor on chamfer angle, which simplifies the problem of choosing reasonable, in terms of efficiency, design parameters of the generator for the micro hydropower plant
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