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조주희(Ju-Hee Cho),신덕식(Duck-Shick Shin),한창수(Chang-Soo Han),김대경(Dea-Kyong Kim) 대한전기학회 2010 대한전기학회 학술대회 논문집 Vol.2010 No.7
전기압력밥솥의 다기능화를 위하여 전기압력밥솥 내의 압력을 정밀하게 제어하기 위한 비례압력제어밸브의 필요성이 높아지고 있다. 본 논문은 고성능 전기압력밥솥에 적용하기 위한 비례압력제어밸브의 3차원 전자장 해석을 수행하였으며 제작 및 추력시험을 통하여 해석 방법의 타당성을 검증하였다.
전희득(Hee-Deuk Jun),박한석(Han-Seok Park),김대경(Dea-Kyong Kim),우경일(Kyung-Il Woo) 대한전기학회 2016 전기학회논문지 Vol.65 No.9
Electric motor systems account for more than half of all electric systems and the amount of energy consumption of those is almost 70 percent of total energy consumption of electric motor systems in industry. As electric motor systems are very responsible for global electricity savings and environment protection. Many international organizations are supporting standards and policy development processes to improve the efficiency of electric motor systems. Many standards are being developed at technical committee of IEC that has been required in order to support the implementation of efficiency regulations. High efficiency standards and levels for electric motor systems are slowly being introduced and compulsory in many countries. Therefore understanding the international efficiency evaluation standards and the regulation of electric motor systems of each country is important. This paper presents the current status and trends of international evaluation standards and regulations about the efficiency of electric motor systems.
0.75[kW]급 삼상유도전동기 효율의 불확도 평가에 관한 연구
전희득(Hee-Deuk Jun),박한석(Han-Seok Park),김대경(Dea-Kyong Kim),우경일(Kyung-Il Woo) 대한전기학회 2015 전기학회논문지 Vol.64 No.4
In the last few years, the regulations for efficiency grade of the three phase induction motor are internationally being discussed and upgraded for the protection of environment and energy saving. So the efficiency improvement and the reliable test result are essential to determine the premium grade three phase induction motor. While a study on developing the efficiency motor is active, there is little research about the guarantee for efficiency. So in this paper, the dispersion characteristic of the efficiency is studied using uncertainty theory for the three phase induction motor to improve the reliability of efficiency. The values such as input voltage, current, speed, torque were obtained by loss separation method to evaluate the uncertainty. From the result, it was known that the important loss factor could affect the uncertainty is the stray loss.
전동기와 드라이브의 국제 규격 및 규제에 관한 현황 연구
우경일(Kyung-Il Woo),박한석(Han-Seok Park),김대경(Dea-Kyong Kim),최한석(Han-Seok Choi),전희득(Hee-Deuk Jun) 대한전기학회 2014 전기학회논문지 Vol.63 No.3
Electric motors and drives consume the largest amount of electricity more than 40% of global electricity consumption. In addition, motors, drives and its components are included in the global high-trade products and the main driving source for industrial equipment and house appliances. Thus, International standards and regulations for their safety and efficiency are internationally being discussed and created for the protection of its citizens and energy saving. So, understanding the international standards and the regulation of each country is essential to enhance overseas market and to develop product. In this paper, on the basis of this background, status and trends of international standards and regulations are introduced for safety and efficiency of motors and the drives. Safety and efficiency of the IEC (International Electrotechical Commission) standards are introduced in the emphasis. Also, regulations are studied about the differences and trends in each county.
박성철(Seong-Cheol Park),조주희(Ju-Hee Cho),김병택(Byung-Taek Kim),유기흥(Gi-Hum Yu),김대경(Dea-Kyong Kim) 대한전기학회 2010 대한전기학회 학술대회 논문집 Vol.2010 No.7
본 논문에서는 전기구동 트랙터용 구동모터의 설계를 수행하였다. 구동모터는 릴럭턴스 토크를 이용할 수 있는 IPM(Interior Permanent Magnet) 타입의 영구자석형 동기모터를 적용 하였다. 구조적인 제약조건을 고려하고 체적설계기법을 적용하여 초기치수를 설정하였다. 유한요소해석을 통하여 목표사양을 만족하는 구동모터의 회전자 및 고정자 형상을 제안하였다.