Analytical Study on the Operating Temperature Characteristics of High-temperature Superconducting Induction/Synchronous Motors

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  • 高温超電導誘導同期モータの駆動温度特性に関する解析的検討
  • コウオン チョウデンドウユウドウ ドウキ モータ ノ クドウ オンド トクセイ ニ カンスル カイセキテキ ケントウ

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This paper presents an analytical study on the temperature dependency of rotating characteristics in hightemperature superconducting induction/synchronous motors based upon the application of a nonlinear electrical equivalent circuit. The nonlinear current transport property of a superconducting BSCCO rotor bar is firstly characterized for different temperatures, and then introduced to the equivalent circuit. The cooling efficiency of a cryocooler is also considered for calculating motor performance. It is shown that the subject motor shows high efficiency for variable rotation speed and torque even when considering cryocooler consumption power.

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