Jae-Heon Choi - IEEE Xplore Author Profile

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Author details

Jae-Heon Choi

Publications

4

Citations

2

Publications by Year

20232025

Co-Authors:

Frede BlaabjergUi-Min ChoiDong-Jin Lee

Jae-Heon Choi

Affiliation

Department of Smart ICT Convergence Engineering

Seoul National University of Science and Technology

Seoul, South Korea

Publication Topics

Capacitor Current,
Dc-link Capacitor,
Device Loss,
Power Loss,
Pulse Width,
Switching Sequence,
Switching States,
Thermal Load,
Thermal Stress,
Total Harmonic Distortion,
Voltage Vector,
Equivalent Series Resistance

Biography

Jae-Heon Choi (Student Member, IEEE) received the B.S. degree in electronic and IT media engineering from the Seoul National University of Science and Technology, Seoul, South Korea, in 2021, where he is currently pursuing the M.S. degree.,His research interests include the reliability of power electronic components and systems, power electronics in renewable energy generation, and multilevel converters.(Based on document published on 29 January 2024).

Publications

4

Citations

2

Publications by Year

20232025

Co-Authors:

Frede Blaabjerg
Ui-Min Choi
Dong-Jin Lee

Author's Published Works

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Showing 1-4 of 4 results

Conferences (2)

Early Access Articles (1)

Journals (1)

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Jae-Heon Choi(4)
Ui-Min Choi(4)
Dong-Jin Lee(1)
Frede Blaabjerg(1)
Department of Smart ICT Convergence Engineering, Seoul National University of Science and Technology, Seoul, South Korea(2)
AAU Energy, Aalborg University, Aalborg, Denmark(1)
Department of Smart ICT Convergence Engineering, Seoul National University of Science and Technology, South Korea(1)
2023 11th International Conference on Power Electronics and ECCE Asia (ICPE 2023 - ECCE Asia)(1)
2023 25th European Conference on Power Electronics and Applications (EPE'23 ECCE Europe)(1)
IEEE Access(1)
IEEE Transactions on Power Electronics(1)
IEEE(4)
Aalborg, Denmark(1)
Jeju Island, Korea, Republic of(1)
Capacitor Current(3)
Dc-link Capacitor(3)
Device Loss(3)
Power Loss(3)
Pulse Width(3)

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Reliability Improved Discontinuous Pulse Width Modulation for NPC Inverters Operated at High Modulation Index

Dong-Jin Lee;Jae-Heon Choi;Ui-Min Choi

IEEE Transactions on Power Electronics

Year: 2025 | Early Access Article |

In a 3-level NPC inverter, the power devices and DC-link capacitors are considered the most reliability-critical components, and their wear-out failure is primarily caused by thermal loading resulting from power losses. It has been found in a previous study that a discontinuous pulse width modulation (DPWM) reduces the power loss and improves the reliability of power devices. However, it reduces t...Show More

Reliability Improved Discontinuous Pulse Width Modulation for NPC Inverters Operated at High Modulation Index

Dong-Jin Lee;Jae-Heon Choi;Ui-Min Choi

IEEE Transactions on Power Electronics

Year: 2025 | Early Access Article |

Hybrid Pulse Width Modulation for Improving Reliability of DC-Link Capacitors of NPC Inverter in Photovoltaic Systems

Jae-Heon Choi;Ui-Min Choi;Frede Blaabjerg

Year: 2024 | Volume: 12 | Journal Article |

Cited by: Papers (2)

HTML

Reliability improvement of the Photovoltaic (PV) inverter has a high potential for reducing the cost of PV energy. The DC-link capacitor is one of the main components influencing the reliability of PV inverter systems. Various pulse-width modulation (PWM) methods have been proposed to increase the lifetime of the DC-link capacitor by reducing its ripple current. However, state-of-the-art PWM metho...Show More

Hybrid Pulse Width Modulation for Improving Reliability of DC-Link Capacitors of NPC Inverter in Photovoltaic Systems

Jae-Heon Choi;Ui-Min Choi;Frede Blaabjerg

Year: 2024 | Volume: 12 | Journal Article |

Discontinuous Pulse Width Modulation for Improving Reliability of NPC Inverter Operated at High Modulation Index

Jae-Heon Choi;Ui-Min Choi

2023 25th European Conference on Power Electronics and Applications (EPE'23 ECCE Europe)

Year: 2023 | Conference Paper |

HTML

In a 3-level NPC inverter, the power devices and DC-link capacitors are considered the most reliability-critical components, and their wear-out failure is mainly caused by thermal loading due to power loss. It is found in a previous study that the Discontinuous Pulse Width Modulation reduces the power loss of the power devices and improves the reliability of power devices. However, it reduces the ...Show More

Discontinuous Pulse Width Modulation for Improving Reliability of NPC Inverter Operated at High Modulation Index

Jae-Heon Choi;Ui-Min Choi

2023 25th European Conference on Power Electronics and Applications (EPE'23 ECCE Europe)

Year: 2023 | Conference Paper |

Pulse Width Modulation Method for Reliability Improvement of DC-link Capacitors and Power Devices of NPC Inverter

Jae-Heon Choi;Ui-Min Choi

2023 11th International Conference on Power Electronics and ECCE Asia (ICPE 2023 - ECCE Asia)

Year: 2023 | Conference Paper |

HTML

Power devices and DC-link capacitors are considered reliability-critical components in power converters. Thermal stress caused by power loss leads to wear-out failures of DC-link capacitors and power devices. Previous studies have proposed various PWM methods to reduce the thermal stress of DC-link capacitors and power devices, respectively. However, the existing methods did not consider the reduc...Show More

Pulse Width Modulation Method for Reliability Improvement of DC-link Capacitors and Power Devices of NPC Inverter

Jae-Heon Choi;Ui-Min Choi

2023 11th International Conference on Power Electronics and ECCE Asia (ICPE 2023 - ECCE Asia)

Year: 2023 | Conference Paper |

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