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Consequent Pole Motor의 전자계 파라미터 분석을 통한 회전자 토폴로지 연구
윤한준,조재훈,김용재,정상용 대한전기학회 2024 전기학회논문지 Vol.73 No.4
This paper researches the electromagnetic parameters of consequent-pole motors (CPMs) considering the rotor topology. First, the concept of electromagnetic parameter analysis is introduced. Second, the CPM is compared with the interior permanent magnet synchronous motors (IPMSMs), focusing the differences of the rotor topology characteristics. With the comparison, the proper rotor type is proposed. Third, we conducted an optimal design to improve the torque characteristics by applying an optimization algorithm. Finally, the demagnetization and stress characteristics are analyzed
장희준,윤한준,이경남,김준동,Jang, Hee-Joon,Yoon, Han-Joon,Lee, Gyeong-Nam,Kim, Joondong 한국전기전자재료학회 2018 전기전자재료학회논문지 Vol.31 No.2
In this study, functional transparent conducting layers were investigated for Si-based photoelectric applications. Double transparent conductive oxide (TCO) films were deposited on a Si substrate in the sequence of indium tin oxide (ITO) followed by aluminum-doped zinc oxide (AZO). First, we observed that the conductivity and transparency of AZO dominate the overall performance of the double TCO layers. Secondly, the double layered TCO film (consisting of AZO/ITO) deposited by sputtering was compared to a AZO-only film in terms of their optical and electrical properties. We prepared three different AZO films: ITO:3min/AZO:10min, ITO:5min/AZO:7min, and ITO:7min/AZO:4min. The results show that the optical properties (transmittance, absorbance, and reflection) can be controlled by the film composition. This may provide a significant pathway for the manipulation of the optical and electrical properties of photoelectric devices.