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Trial Test of Fully HTS Induction/Synchronous Machine for Next Generation Electric Vehicle

By: Ito, Y.; Amemiya, N.; Matsuo, T.; Kitano, H.; Misawa, S.; Nakamura, T.; Yoshikawa, M.; Okumura, N.; Ohashi, Y.; Sekiguchi, D.; Osamura, K.; Terazawa, T.;

2012 / IEEE

Description

This item was taken from the IEEE Periodical ' Trial Test of Fully HTS Induction/Synchronous Machine for Next Generation Electric Vehicle ' Our group has tried to introduce High Temperature Superconducting Technology to electric vehicle (EV) drive motor, and developed High Temperature Superconducting Induction-Synchronous Machine (HTS-ISM). In this paper, 20 kW class HTS-ISM were designed and manufactured with DI-BSCCO wires. First, we developed and tested partial superconducting HTS-ISM (HTS rotor windings with copper stator) for clarification of the performance. We could observe the efficiency at 92.3% even for the light load. Furthermore, we successfully fabricated and conducted no-load test for fully superconducting HTS-ISM. It was verified that stable synchronous rotation at 1200 rpm was succeeded, which is the world-first success of achieving the rotation at over 1000 rpm for fully superconducting motor. Our results are one of the big steps for realizing the HTS-EV.