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Study on Homopolar Superconductivity Synchronous Motors for Ship Propulsion Applications

2008; IEEE Council on Superconductivity; Volume: 18; Issue: 2 Linguagem: Inglês

10.1109/tasc.2008.921334

1558-2515

Sangho Lee, Jung-Pyo Hong, Young-Kil Kwon, Young‐Sik Jo, Seung-Kyu Baik,

Electric Motor Design and Analysis

Superconductivity synchronous motors compared with conventional motors can reduce the motor size and enhance the motor efficiency for low-speed and high torque applications under the space constraints for propulsion system. Especially, homopolar superconductivity synchronous motors (HSSMs) need less superconductor and lower magnetic flux density in superconductor field coil than air-cored superconductivity synchronous motors (ASSMs). In addition, mechanical structure is more simplified and stability is increased because the superconductor field coil of HSSMs is not rotated in operation. In this paper, we present the outline of HSSMs including structure, characteristics and operational principles with the conceptual design of HSSM.