Zobrazeno 1 - 10
of 31
pro vyhledávání: '"Shin-Myung Jung"'
Publikováno v:
Journal of the Korean Society for Railway. 20:339-348
Publikováno v:
Journal of the Korean society for railway. 19:297-303
This paper introduces auxiliary power supply systems (APS) for railroad applications and proposes a new power conversion structure for highly-efficient and lightweight APS systems. The proposed structure focuses on an improvement of the power density
Publikováno v:
The Transactions of The Korean Institute of Electrical Engineers. 64:1651-1657
In MHz operating wireless power transfer systems, skin- and proximity-effect losses in the transmitter and the receiver coils dominate the coil-to-coil efficiency of the system. A Litz-wire was regarded as a common solution for minimizing such Ohmic
Autor:
Jae-Hee Kim, Byung-Song Lee, Junho Lee, Jeihoon Baek, Soo-Gil Lee, Chan-Bae Park, Kyung-Pyo Yi, Seung Hwan Lee, Shin-Myung Jung
Publikováno v:
IEEE Transactions on Industrial Electronics. 62:6242-6250
Design and fabrication of a 1-MW inductive power transfer (IPT) system that supplies power to the vehicle in real time without any battery charge is proposed for a high-speed train. The IPT system consists of a 1-MW resonant inverter, a 128-m transmi
Autor:
Chan-Bae Park, Seung Hwan Lee, Su-Gil Lee, Shin-Myung Jung, Byung-Song Lee, Jae-Hee Kim, Junho Lee
Publikováno v:
Journal of the Korean society for railway. 17:228-232
The magnetic field generated by the feeding line of a wireless power transfer system induces voltage on the rail of a railway system. The induced voltage of the rail can have a bad influence on the track circuit and on safety. This paper simulated th
Autor:
Hyung-Woo Lee, Chan-Bae Park, Shin-Myung Jung, Jae-Hee Kim, Su-Gil Lee, Jun-Ho Lee, Byung-Song Lee
Publikováno v:
Journal of Electrical Engineering and Technology. 8:1424-1430
This paper presents design procedure of the magnetic bearings used for high-speed electric machines and flywheel energy storage systems. Magnetic bearing can be categorized by inner- rotor type and outer-rotor type according to the position of the ro
Publikováno v:
IEEE Transactions on Power Electronics. 28:2514-2526
In this paper, a simple and low-cost open-circuit fault detection and identification method for a pulse-width modulated (PWM) voltage-source inverter (VSI) employing a permanent magnet synchronous motor is proposed. An open-circuit fault of a power s
Publikováno v:
The Transactions of the Korean Institute of Power Electronics. 17:266-273
In this paper, the new open fault detection and tolerant operation method for 3 phase PWM rectifier is proposed. When open fault occurred on the inverter switches of 3 Phase PWM rectifier, the DC link voltage ripple is increased because the input cur
Publikováno v:
IEEE Transactions on Power Electronics. 27:2585-2594
This paper proposes a simple position observer based on the instantaneous power and a tuning procedure for the proposed observer in driving the surface-mounted permanent magnet synchronous motor. In the instantaneous power of a three-phase system, th
Autor:
Jeihoon Baek, Junho Lee, Seung Hwan Lee, Shin-Myung Jung, Soo-Gil Lee, Jae-Hee Kim, Kyung-Pyo Yi, Chan-Bae Park, Byung-Song Lee
Publikováno v:
2015 IEEE Transportation Electrification Conference and Expo (ITEC).
A high power on-line wireless power transfer system has been investigated intensively in recent years. However, no literature has focused on the design methodology of the high power on-line wireless power transfer system with low flux density, high e