Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Hee Jun Kim"'
Publikováno v:
Journal of Electrical Engineering and Technology. 11:393-404
In this paper, a carrier-based pulse with modulation (PWM) strategy for three-phase three- level inverter is dealt with, which can keep the common mode voltage constant with minimized switching frequency. The voltage gain and the switching frequency
Autor:
Ki-Deok Lee, Jae-Jun Lee, Tae-Chul Jeong, Mi-Jung Kim, Won-Ho Kim, Jung-Ho Han, Hee-Jun Kim, Tae-Hyun Sung, Ju Lee
Publikováno v:
IEEE Transactions on Magnetics. 49:2343-2346
In this study, the losses due to the time-harmonic current in a permanent magnet synchronous motor (PMSM) are calculated through a co-analysis of the time harmonics using a space vector pulse width modulation (SVPWM) inverter. PMSM is typically used
Publikováno v:
The Transactions of the Korean Institute of Power Electronics. 17:516-522
Recently trends of home appliance has been changed in house and the demand for functional refrigerator has been increased. Power consumption of refrigerator accounts for a large proportion in consumer electronics. Also, compressor accounts for most o
Publikováno v:
Journal of Electrical Engineering and Technology. 7:905-910
This paper reports an investigation of pulse width modulation (PWM) techniques for twophase brushless DC (BLDC) motors fed by a two-phase eight-switch inverter in a fan application. The three-phase BLDC motor is widely applied in industry; however, a
Publikováno v:
Journal of the Korean Institute of Illuminating and Electrical Installation Engineers. 26:18-25
Recently, the depletion of fossil fuel carbon dioxide emissions due to limitations in the internal combustion engine vehicles is rising concern about electric vehicle. Neighborhood Electric Vehicle(NEV) is maximum speed 60km/h and one day driving dis
Publikováno v:
2015 17th European Conference on Power Electronics and Applications (EPE'15 ECCE-Europe).
The single-ended (SE) resonant inverter is a type of class E parallel resonant inverter and popularly used in many IH applications due to its lower cost structure and relatively high efficiency. However its maximum power rating should be limited beca
Autor:
Hee-Jun Kim, Baek-Haeng Lee
Publikováno v:
Journal of Electrical Engineering and Technology. 2:373-378
Soft switching was applied to the multi-level inverter to enhance the performance of the high-intensity discharge (HID) ballast used in vehicle headlights. The electrical properties were investigated and the available modeling of ballast in steady st
Publikováno v:
Journal of Electrical Engineering and Technology. 2:249-256
This paper presents a new circuit topology and its digital control scheme for a half-bridge resonant inverter. As the proposed half-bridge inverter can be operated in load-freewheeling modes, the pulse-width modulation (PWM) method can be used for th
Publikováno v:
IEEE Transactions on Industrial Electronics. 54:330-337
This paper presents a new switching strategy for pulse width modulation (PWM) power converters. Since the proposed strategy uses independent on/off switching action of the upper or lower arm according to the polarity of the current, the dead time is
Publikováno v:
2014 17th International Conference on Electrical Machines and Systems (ICEMS).
This paper presents a wireless power transmission system based on inductive coupling for portable electronic equipment. The system consists of a transmitter inverter, an inductively coupling link, and a receiver rectifier. The power transmitter is ba