Zobrazeno 1 - 10
of 29
pro vyhledávání: '"Sang-Hwan Ham"'
Autor:
You-Young, Choe, Ki-Doek, Lee, Ik-Sang, Jang, Mi-Jung, Kim, Sang-Hwan, Ham, Ju, Lee, Kwang-Cheol, Ko
Publikováno v:
In Energy Procedia 2012 14:1187-1192
Publikováno v:
Journal of Magnetics. 23:247-252
Autor:
Sang Hwan Ham, Sooyoung Cho, Hyung-Woo Lee, Huai cong Liu, Jong Hyuk Woo, Ju Lee, Sung Chul Go, Chang Moo Lee
Publikováno v:
Journal of Magnetics. 22:23-28
This paper is a study of the eddy current brake designed to replace the air brake of railway application. The eddy current brake has the advantage of being able to take a high current density compared to the other application because this brake is us
Publikováno v:
Journal of Electrical Engineering and Technology. 11:775-780
This induced voltage measurement test and electromagnetic field simulation are related to the possibility of control signal malfunction by power line. Through an experiment, this research analyzed whether the voltage causing control malfunction accor
Publikováno v:
The Transactions of The Korean Institute of Electrical Engineers. 65:360-364
The rare earth output is concentrated in limited number of countries including China. Also the necessity for development of non-rare earth motor is getting signified due to the rapid increase of rare earth price and resource weaponizing policies. Non
Autor:
Sang-Hwan Ham
Publikováno v:
The Transactions of The Korean Institute of Electrical Engineers. 64:411-416
This paper presents the thermal modeling and analysis of Line power Start Permanent magnet Motor (LSPM). Thermal analysis of electrical machines is important because temperatures that are consistently too high will reduce the life time of machines an
Autor:
Su-Yeon Cho, Ik-Sang Jang, Ju Lee, Sang-Hwan Ham, Jae-Jun Lee, Ki-Doek Lee, Won-Ho Kim, Dong-Woo Kang, Chang-Sung Jin
Publikováno v:
IEEE Transactions on Magnetics. 50:297-300
In this paper, a method for predicting vibrations due to an electromagnetic force from among the other types of vibrations that occur in an electric motor is proposed. Among electromagnetic forces, the forces applied in the radial direction were sepa
Publikováno v:
2016 IEEE Conference on Electromagnetic Field Computation (CEFC).
This paper is about designing non-rare earth permanent magnet motor to be used as direct drive motor (DD motor). Generally, DD motor requires high degree torque, so it is necessary to design big air-gap diameter with outer rotor type motor which can
Publikováno v:
2016 IEEE Conference on Electromagnetic Field Computation (CEFC).
This paper presents a study on static 3D finite element method (FEM) coupled-circuit model of a 3Kw claw-pole alternator. To derive the Optimal rotor structure, Magneto static 3D FEM used to define representation of the airgap flux density and phase
Autor:
Sang-Hwan Ham, Jae-Jun Lee, Ki-Doek Lee, Ju Lee, Jung-Ho Han, Ik-Sang Jang, Mi-Jung Kim, Chae Woongchan, Tae-Chul Jeong
Publikováno v:
Journal of International Council on Electrical Engineering. 2:264-268
Due to the depletion of energy and other environmental problems, a trend emerges wherein engine cars are likely replaced by hybrid cars and electric cars. A military engine truck must be replaced by a hybrid truck because it needs an improved startin