Ui-Min Choi

11 papers Journal 11
YearRankTypeTitle / Venue / Authors
2026 J jnl
Peak-Zero-DPWM for Improving Performance of Single-Phase Five-Level T-Type NPC Inverter.
IEEE Access
Taerim Ryu, Ui-Min Choi
2025 J jnl
Thermally Balanced DPWM Method With Neutral Point Voltage Balancing Capability for Single-Phase Five-Level T-Type NPC Inverters.
IEEE Access
Kyu-Jin Min, Ui-Min Choi
2024 J jnl
Discontinuous PWM Strategy for Reliability and Efficiency Improvements of Single-Phase Five-Level T-Type Inverter.
IEEE Trans. Ind. Electron.
Taerim Ryu, Ui-Min Choi
2024 J jnl
Hybrid Pulse Width Modulation for Improving Reliability of DC-Link Capacitors of NPC Inverter in Photovoltaic Systems.
IEEE Access
Jae-Heon Choi, Ui-Min Choi, Frede Blaabjerg
2021 J jnl
Comparative Evaluation of Efficiency and Reliability of Single-Phase Five-Level NPC Inverters for Photovoltaic Systems.
IEEE Access
Ui-Min Choi, Taerim Ryu
2020 J jnl
Study on Effect of Installation Location on Lifetime of PV Inverter and DC-to-AC Ratio.
IEEE Access
Ui-Min Choi
2018 J jnl
Power cycling test of transfer molded IGBT modules by advanced power cycler under different junction temperature swings.
Microelectron. Reliab.
Ui-Min Choi, Søren Jørgensen, Francesco Iannuzzo, Frede Blaabjerg
2018 J jnl
Validation of Lifetime Prediction of IGBT Modules Based on Linear Damage Accumulation by Means of Superimposed Power Cycling Tests.
IEEE Trans. Ind. Electron.
Ui-Min Choi, Ke Ma, Frede Blaabjerg
2017 J jnl
Advanced power cycler with intelligent monitoring strategy of IGBT module under test.
Microelectron. Reliab.
Ui-Min Choi, Frede Blaabjerg, Francesco Iannuzzo
2016 J jnl
Power cycling test and failure analysis of molded Intelligent Power IGBT Module under different temperature swing durations.
Microelectron. Reliab.
Ui-Min Choi, Frede Blaabjerg, Søren Jørgensen, Francesco Iannuzzo, Huai Wang, Christian Uhrenfeldt, Stig Munk-Nielsen
2015 J jnl
Junction temperature estimation method for a 600 V, 30A IGBT module during converter operation.
Microelectron. Reliab.
Ui-Min Choi, Frede Blaabjerg, Francesco Iannuzzo, Søren Jørgensen