Proceedings of the KIEE Conference (대한전기학회:학술대회논문집)

The Korean Institute of Electrical Engineers (대한전기학회)
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Characteristic Study According to the Shape of Field in the Air-cored HTS Synchronous Generator

공심형 HTS 동기발전기의 계자 형상 변화에 따른 특성연구

  • Jo, Young-Sik (Dept. of Electrical Engineering, Changwon National University) ;
  • Ahn, Ho-Jin (Dept. of Electrical Engineering, Changwon National University) ;
  • Hong, Jung-Pyo (Dept. of Electrical Engineering, Changwon National University) ;
  • Lee, Ju (Division of Electrical and Computer Engineering, hanyang University) ;
  • Kwon, Young-Kil (Korea Electrotechnology Research Institute) ;
  • Ryu, Kang-Sik (Korea Electrotechnology Research Institute)
  • Published : 2000.07.17
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Abstract

The value of $I_c$(critical current) in HTS (High Temperature Superconductor) tape has a great influence on $B{\bot}$ (vertical field). Therefore, in shape design of field coil for the HTSG(High Temperature Superconducting Generator), a method to reduce the $B{\bot}$ should be considered in order to maintain the stability and substantial improvement on the performance. On the basis of the magnetic field analysis, this paper deals with various field coil shape to obtain small $B{\bot}$ by using Biot-Savart's law and image method. Moreover the analysis is verified by comparison with experimental results. And also this paper presents the advanced model by using 3D FEM(3 Dimensional Finite Element Method), in which flux density at armature is calculated in 5kVA class HTSG.

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