scholarly journals A Novel Skewed-Type Iron Slot Wedge for Permanent Magnet Synchronous Generators for Improving Output Power and Reducing Cogging Torque

2015 ◽  
Vol 10 (1) ◽  
pp. 243-250 ◽  
Author(s):  
Sun-Il Kang ◽  
Jae-Won Moon ◽  
Yong-Min You ◽  
Jin-Hee Lee ◽  
Byung-Il Kwon
Keyword(s):  
Permanent Magnet ◽  
Output Power ◽  
Synchronous Generators ◽  
Cogging Torque ◽  
Permanent Magnet Synchronous Generators

Arc-Shaping of Magnets for Reduction of Cogging Torque in Permanent-Magnet Synchronous Generators

2012 ◽  
Vol 516-517 ◽  
pp. 1746-1750
Author(s):  
Chao Yuan Cheng ◽  
Chun Yu Hsiao ◽  
Shu Wei Chung ◽  
Chun Pin Chiang ◽  
Zai Wei Chin
Keyword(s):  
Power Systems ◽  
Permanent Magnet ◽  
High Efficiency ◽  
Daily Life ◽  
Optimized Design ◽  
Synchronous Generators ◽  
Cogging Torque ◽  
Permanent Magnet Synchronous Generators ◽  
Green Power ◽  
Determining Factors

Wind power is an important source of green power. The equipment, generators, and power systems are all determining factors of equipment efficiency. High efficiency generators of medium and small size are widely used in daily life. Cogging torque is a major issue affecting generator efficiency. This paper proposes an optimized design for permanent-magnet synchronous generators using arc-shaped magnets to reduce cogging torque. The proposed approach improves performance significantly.

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