Open AccessDesign and Analysis of Permanent Magnet Synchronous Generator Considering Magnetically Coupled Turbine-Rotor System
Author(s) -
Byung-Ok Kim,
Bum-Seog Choi,
Jeong-Man Kim,
Han-Wook Cho
Publication year - 2015
Publication title -
journal of electrical engineering and technology/journal of electrical engineering and technology
Language(s) - English
Resource type - Journals
eISSN - 2093-7423
pISSN - 1975-0102
DOI - 10.5370/jeet.2015.10.3.1002
Subject(s) - permanent magnet synchronous generator , rotor (electric) , coupling (piping) , turbine , magnet , generator (circuit theory) , control theory (sociology) , engineering , mechanical engineering , computer science , physics , power (physics) , control (management) , quantum mechanics , artificial intelligence
In this paper, design and analysis of permanent magnet synchronous generator for ocean thermal energy conversion (OTEC) considering magnetically coupled turbine-rotor system is discussed. In particular, the rotor dynamics considering bearing span and journal shaft diameter is highlighted. The two topologies of permanent magnet synchronous generator with magnetic coupling are employed for comparison of computed rotor dynamics and generating characteristics. The analysis results show that the critical speed of the turbine-rotor system is higher when the rotor is coupled by magnetically coupling. Finally, the experimental results confirmed the validity of the proposed design and analysis scheme and successful development.