Zobrazeno 1 - 10
of 90
pro vyhledávání: '"Kui-Jun Lee"'
Autor:
Kui-Jun Lee
Publikováno v:
Energies, Vol 14, Iss 18, p 5969 (2021)
Since a T-type three-level PWM converter has several advantages in terms of harmonics and conduction loss, it has been widely adopted for various low voltage applications. However, a neutral point voltage control is necessarily required for stable sy
Externí odkaz:
https://doaj.org/article/e4a61e9d4e6c4b5884c416b4e0d8331c
Autor:
Kui-Jun Lee
Publikováno v:
Energies, Vol 13, Iss 6, p 1324 (2020)
Since a T-type three-level PWM converter has several intrinsic advantages, it has been researched for various applications such as grid-connected converter systems. However, it necessarily requires an additional voltage control loop for balancing the
Externí odkaz:
https://doaj.org/article/f80503311c5849a5b1b06d6feb4fb263
Publikováno v:
IET Electric Power Applications. 13:2079-2089
This study proposes a novel robust predictive current control that is based on a discrete-time disturbance observer for an interior permanent magnet synchronous motor (IPMSM), does not require rotor flux information. To confirm the effects of the cur
Publikováno v:
IEEE Transactions on Power Electronics. 31:318-327
Based on the hybrid operation of interleaved flyback micro-inverter in discontinuous and boundary conduction modes (DCM and BCM), a novel adaptive snubber is proposed in this paper. The proposed snubber limits the drain-to-source voltage overshoot of
Publikováno v:
Journal of Electrical Engineering and Technology. 10:2288-2296
This paper proposes a novel systematic modeling approach for an integrated single-stage power converter in order to predict its dynamic characteristics. The basic strategy of the proposed modeling is substituting the internal converters with an equiv
Publikováno v:
International Journal of Automotive Technology. 15:1063-1070
Diesel engines are most frequently used in vehicles because of their high efficiency and durability. However, nitrogen oxide (NOx) and particulate matter (PM) from diesel engines are became problem. Recently, the premixed charged compression ignition
Publikováno v:
IEEE Transactions on Power Electronics. 29:1791-1799
A single charge equalizer using the multi-winding transformer (SCEMT) is useful for the precise and fast equalization. Since this type of equalizer requires voltage sensing circuits for each battery cell, the size and cost of the overall equalizer sy
Publikováno v:
Journal of Electrical Engineering and Technology. 8:1086-1095
The main issue of parallel three-phase boost converters is reduction of the low- and high frequency circulating currents. Most present technologies concentrate on low frequency circulating current because the circulating current controller cannot mit
Autor:
Rae-Young Kim, Kui-Jun Lee
Publikováno v:
IEEE Transactions on Energy Conversion. 27:1002-1008
An adaptive maximum power point tracking (MPPT) scheme employing a variable scaling factor is presented. An MPPT control loop was constructed analytically and the magnitude variation in the MPPT loop gain according to the operating point of the PV ar
Publikováno v:
The Transactions of the Korean Institute of Power Electronics. 17:423-430
An adaptive maximum power point tracking (MPPT) scheme employing a variable scaling factor is presented. A MPPT control loop was constructed analytically and the magnitude variation in the MPPT loop gain according to the operating point of the PV arr