12/27/2022 0 Comments Fieldlines microhydroFieldlines microhydro generator#Muljadi E, Butterfield CP, WanY-H Axial flux, modular, permanent-magnet generator with a toroidal winding for wind turbine applications. ISBN ISBN 0–9734585–0–XĬhalmers BJ, Wu W, Spooner E (1999) An axial-flux permanent-magnet generator for a gearless wind energy system. ISSN 0001–6845ĭubois MRJ (2004) Optimized permanent magnet generator topologies for direct – drive wind turbines. Acta Polytechnica Scandinavica, Electrical Engineering Series, no. Lampola P (2000) Directly driven, low-speed permanent-magnet generators for wind power applications. 292, Chalmers University of Technology, Goteborg. Grauers A (1996) Design of direct-diven permanent-magnet generators for wind turbines. Twidel JW, Weir AD (2006) Renewable energy resources, 2nd edn. This process is experimental and the keywords may be updated as the learning algorithm improves. These keywords were added by machine and not by the authors. Therefore, studies on electrical generators, which follow below, refer to both conversion systems, hydraulic and wind as well. However, both systems are classified as low-speed systems having important similarities: the physical processes that occur at the interaction of the turbine rotor with an open water or air current are similar due to variations in water or air current speed, the systems function under random the power cubic dependence of water or air current speed, etc. First of all, speeds of rotation of the turbine rotors are different: the speed of those which operate in open current does not exceed a few rev/min, for example, flow turbines (water current turbines) hydraulic turbines of low pressure rotate at speeds of tens to hundreds rev/min small power wind turbines (up to 50 kW) rotate at speeds between 100 and 500 min −1 high-power wind turbines – 20 to 40 min −1. There are essential differences in the design of systems for water/air flow kinetic energy conversion into mechanical energy.
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