Design and Prototyping of Directly Driven Outer Rotor Permanent Magnet Generator for Small Scale Wind Turbines

Toomas Vaimann, Oleg Kudrjavtsev, Aleksander Kilk, Ants Kallaste, Anton Rassolkin

Design and Prototyping of Directly Driven Outer Rotor Permanent Magnet Generator for Small Scale Wind Turbines

Číslo: 3/2018
Periodikum: Advances in Electrical and Electronic Engineering
ISBN: 1804-3119
DOI: 10.15598/aeee.v16i3.2698

Klíčová slova: Electric machines; finite element analysis; generators; permanent magnet machines; wind energy, Elektrické stroje; analýza konečných prvků; generátory; stroje s permanentními magnety; větrná energie

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Anotace: The paper is about the design and prototyping of directly driven outer rotor permanent magnet generator for small scale wind turbine. In the paper, the initial design of the generator is given. Main issues and phenomena affecting the generator design, such as cogging torque and its reduction possibilities, selection and demagnetization risk assessment of permanent magnets, machine losses and thermal analysis, are described. Test results of prototype generator construction and final parameters are also presented. The necessity of further study is pointed out.