Search Results - "Dong-Seok Hyun"

Detection Method for Open-Circuit Fault in Neutral-Point-Clamped Inverter Systems by Kim, Tae-Jin, Lee, Woo-Cheol, Hyun, Dong-Seok

“…This paper presents a fault detection method for open-circuit faults of a switching device in neutral-point-clamped inverter systems, which is based on the…”
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A Modularized Equalization Method Based on Magnetizing Energy for a Series-Connected Lithium-Ion Battery String by Lim, Chang-Soon, Lee, Kui-Jun, Ku, Nam-Joon, Hyun, Dong-Seok, Kim, Rae-Young

“…A single charge equalizer using the multi-winding transformer (SCEMT) is useful for the precise and fast equalization. Since this type of equalizer requires…”
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A Power-Control Scheme With Constant Switching Frequency in Class-D Inverter for Induction-Heating Jar Application by Park, Nam-Ju, Lee, Dong-Yun, Hyun, Dong-Seok

“…In this paper, a simple power-control scheme for a constant-frequency class-D inverter with variable duty cycle at constant frequency is proposed. It is more…”
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Robust Predictive Current Controller Based on a Disturbance Estimator in a Three-Phase Grid-Connected Inverter by LEE, Kui-Jun, PARK, Byoung-Gun, KIM, Rae-Young, HYUN, Dong-Seok

“…This paper proposes a robust predictive current controller based on a disturbance estimator for a three-phase grid-connected inverter. The various components…”
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A new simplified space-vector PWM method for three-level inverters by Seo, Jae Hyeong, Choi, Chang Ho, Hyun, Dong Seok

“…In this paper, a new simplified space-vector pulse width modulation (SVPWM) method for a three-level inverter is proposed. This method is based on the…”
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Simple Fault Diagnosis Based on Operating Characteristic of Brushless Direct-Current Motor Drives by Park, Byoung-Gun, Lee, Kui-Jun, Kim, Rae-Young, Kim, Tae-Sung, Ryu, Ji-Su, Hyun, Dong-Seok

“…In this paper, a simple fault diagnosis scheme for brushless direct-current motor drives is proposed to maintain control performance under an open-circuit…”
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IBC Using a Single Resonant Inductor for High-Power Applications by Park, N.-J., Hyun, D S

“…In this paper, an interleaved boost converter (IBC) with a zero-voltage-transition (ZVT) cell using a single resonant inductor in continuous conduction mode is…”
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Nonisolated ZVT Two-Inductor Boost Converter With a Single Resonant Inductor for High Step-Up Applications by LEE, Kui-Jun, PARK, Byoung-Gun, KIM, Rae-Young, HYUN, Dong-Seok

“…The interleaved operation of a two-inductor boost converter system is a very attractive solution for converting the low input voltage (30-50 V) of distributed…”
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Speed sensorless stator flux-oriented control of induction motor in the field weakening region using Luenberger observer by KWON, Tae-Sung, SHIN, Myoung-Ho, HYUN, Dong-Seok

“…In a conventional speed sensorless stator flux-oriented (SFO) induction motor drive, when the estimated speed is transformed into the sampled-data model using…”
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Online Identification of Stator Transient Inductance in Rotor-Flux-Oriented Induction Motor Drive by Shin, Myoung-Ho, Hyun, Dong-Seok

“…In a rotor-flux-oriented induction motor drive, stator transient inductance is varied with the change of operating conditions. If the stator transient…”
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A symmetric carrier technique of CRPWM for voltage balance method of flying-capacitor multilevel inverter by Kang, D.-W., Lee, B.-K., Jeon, J.-H., Kim, T.-J., Hyun, D.-S.

“…This paper presents a simple carrier symmetric method for the voltage balance of flying capacitors in flying-capacitor multilevel inverters. The…”
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New zero-current-transition PWM DC/DC converters without current stress by Dong-Yun Lee, Min-Kwang Lee, Dong-Seok Hyun, Choy, I.

“…This paper presents novel zero-current-transition (ZCT) PWM DC/DC converters without additional current stress and conduction loss on the main switch during…”
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An improved stator flux estimation for speed sensorless stator flux orientation control of induction motors by Shin, Myoung-Ho, Hyun, Dong-Seok, Cho, Soon-Bong, Choe, Song-Yul

“…This paper proposes a programmable low pass filter (LPF) to estimate stator flux for speed sensorless stator flux orientation control of induction motors. The…”
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An improved carrier-based SVPWM method using leg voltage redundancies in generalized cascaded multilevel inverter topology by Kang, Dae-Wook, Lee, Yo-Han, Suh, Bum-Seok, Choi, Chang-Ho, Hyun, Dong-Seok

“…The carrier-based space vector pulse width modulation (SVPWM), which is considered as simple and efficient PWM technology, can be also used in multilevel…”
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A novel control method for three-phase PWM rectifiers using a single current sensor by Lee, Woo-Cheol, Hyun, Dong-Seok, Lee, Taeck-Kie

“…This paper proposes a control method for three-phase voltage-source PWM rectifiers using only a single current sensor in the DC-link. A PWM modulation strategy…”
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A New Driving Scheme for Plasma TVs Using Multi-Functional Gate Driver by Lee, Dong-myung, Hyun, Dong-seok

“…This paper proposes a new cost-effective scheme that reduces the total number of switches in driving systems for plasma TVs. In conventional systems, power…”
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A three-phase parallel active power filter operating with PCC voltage compensation with consideration for an unbalanced load by Lee, Woo-Cheol, Lee, Taeck-Kie, Hyun, Dong-Seok

“…The performance and dynamic characteristics of a three-phase parallel active power filter (APF) with point of the common coupling (PCC) voltage compensation…”
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Comparison of single-sensor current control in the DC link for three-phase voltage-source PWM converters by Lee, Woo-Cheol, Lee, Taeck-Kie, Hyun, Dong-Seok

“…This paper presents a technique for reconstructing converter line currents using the information from a single current sensor in the DC link of a converter and…”
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Maximum torque control of stator-flux-oriented induction machine drive in the field-weakening region by Shin, Myoung-Ho, Hyun, Dong-Seok, Cho, Soon-Bong

“…In a conventional stator-flux-oriented (SFO) induction machine drive system, the field-weakening method is used to vary the stator-flux reference in proportion…”
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Averaged modeling and control of a single-phase grid-connected two-stage inverter for battery application by Dong-Yub Hyun, Chang-Soon Lim, Rae-Young Kim, Dong-Seok Hyun

“…This paper proposes a small-signal averaged model and control design of a single-phase grid-connected two-stage inverter to comprehend its dynamic…”
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