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초전도 부상 플라이휠 에너지 저장시스템의 구동을 위한 전동/발전기
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  • 초전도 부상 플라이휠 에너지 저장시스템의 구동을 위한 전동/발전기
저자명
고창섭,연제욱,최재호,정환명,홍계원,이호진,Go. Chang-Seop,Yeon. Je-Uk,Choe. Jae-Ho,Jeong. Hwan-Myeong,Hong. Gye-Won,Lee. Ho-Jin
간행물명
전기학회논문지. The transactions of the Korean Institute of Electrical Engineers. B, 전기기기 및 에너지변환시스템부문
권/호정보
2000년|49권 6호|pp.411-420 (10 pages)
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대한전기학회
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정기간행물|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

The energy storage systems are being widely researched for the high quality of the electric power. The FES(flywheel energy system) is especially, on the center of the research because it does not make any pollution and its life is long. The FES converts the electrical energy into the mechanical kinetic energy of the flywheel and reconverts the mechanical energy into the electrical energy. In order to store as much energy as possible, the flywheel is supposed to be rotated with very high speed. The motor/generator of the FES should be high efficient at high speed, and generate constant torque with respect to the rotation. In this paper, a motor/generator employing a Halbach array of permanent magnets is designed and constructed to meet the requirements, and its characteristics are examined. The magnetic field is analysed by using the magnetic surface charge method. The armature winding is designed for the harmonic components to be minimized by using the FFT. The sinusoidal current for the motor driving are generated by the hysteresis current controller. A sample superconducting flywheel energy storage system is constructed with a duralumin flywheel which has a maximum rotating speed of 40,000[rpm] and a stored energy of 240[Wh] and its validity is examined through the experiment.