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회전자 저항변화에 따른 고온초전도 단락봉을 사용한 농형유도전동기의 속도-토크 특성
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  • 회전자 저항변화에 따른 고온초전도 단락봉을 사용한 농형유도전동기의 속도-토크 특성
저자명
심정욱,이광연,차귀수,이지광,Sim. Jung-wook,Lee. Kwang-youn,Cha. Guee-soo,Lee. Ji-kwang
간행물명
한국초전도·저온공학회논문지
권/호정보
2004년|6권 3호|pp.33-37 (5 pages)
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한국초전도저온공학회
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기타
이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

This paper presents the construction and test results of an HTS induction motor. End rings and short bars were made of HTS tapes, To increase the efficiency and starting torque, HTS tapes can be used as the rotor bars. Because large current is induced in the rotor circuit, HTS tapes quench and high starting torque can be obtained. As the speed of rotor builds up. HTS tapes which are used as short bars become superconducting state again. After the HTS tapes recover from quench, resistance of the rotor circuit is nearly zero. In that case, power loss in rotor circuit is eliminated. Stator of the conventional induction motor was used as the stator of the HTS motor. Rated capacity of the conventional motor was 0.75 kW. Performances of the HTS induction motor were compared with those of the conventional motor with same volume and specification. Test result showed that the speeds of the HTS induction motor were the same with synchronous speed up to 2.6 Nm and 1.788 rpm at 9.7 Nm. It guarantees the high efficiency of the HTS motor. Starting torque of the HTS motor was more than twice of the conventional motor.