2022 - Present

July 08, 2024

Korean Institute of Power Electronics (KIPE) Annual Conference 2024

Date: 2023.07.01 – 2023.07.04

Place: Haevichi Hotel, Jeju, Korea

Oral Presentations:

1. Kyung-Wook Heo, “LLC Resonant Converter Employing Partial Power Processing Concept for Tight Output Voltage Regulation under Spread Spectrum Modulation”.

2. Ji-Eun Ihm, “Phase-Shift Modulation for Extending Operation Region of PCB Coil in IH Applications ”.

3. YoungJoon Song, "Study on EMI Mitigation Performance and Side-Effects of Spread Spectrum Modulation Applied to a Single-Phase Boost PFC".

4. Jun Suk Lee, “Talkative Dual Active Bridge Converter Employing Spread Spectrum Modulation to Mitigate EMI  ”.

5.Gwon Gyo Jung, “Small-Signal Modeling of Dual-Active-Bridge Converters Employing Spread Spectrum Modulation Technique for EMI Reduction ”.

May 21, 2024

Date: 2024.05.21 

Place: UNIST,  Ulsan, Korea

Inviter: 

• Prof. Katherine A. Kim, Advisor of Power Electronics Lab., National Taiwan Univ

• Prof. Yu-Chen Liu, Advisor of Energy Conversion and Intelligent Electronics Lab., National Taiwan Univ

Presentations:

1.Katherine A. Kim, “Emerging PV Applications: Power System Design and Control Challenges”

2.Yu-Chen Liu, “Key Technologies and Challenges in High-Frequency Power Module Design”

Nov 10, 2023

Date: 2023.11.10~12 

Place: National Sun Yat-sen University,  Kaohsiung, Taiwan

Poster

1.Jae-Wook Lim and Jee-Hoon Jung, “Power Hardware-in-the-Loop Simulation for Stability Evaluation of LVDC Grid”

2.Won-Sik Jeong, and Jee-Hoon Jung, “PFWM Method for PCB-Coil-Based Induction Heating System to Reduce Operating Frequency Variations”

Nov 28, 2023

National Taiwan University Invited Talk

Date: 2023.11.09

Place: National Tawian University,  Taipei, Taiwan

inviter: Prof. Katherine A. Kim, Advisor of Power Electronics Lab., National Taiwan Univ

Presentations:

 Jee-Hoon Jung, “Advanced Power Electronics Technologies and Recent Research Activities of APIPEL in UNIST”.

Oct 27, 2023

Korean Institute of Electrical Engineers(KIEE) Electrical Equipment Conference in 2023

Date: 2023.10.26 – 2023.10.28

Place: Parnas Hotel, Jeju, Korea

Oral Presentations:

1.Jee-Hoon Jung “ Design Guideline  for Bi-Directional DC-DC Converter on Voltage DC Distribution”.

2.Gwon Gyo Jung, “A study on AC/DC converter controller using a notch filter”.

Sep 19, 2023

Technology Exchange Seminar

Date: 2023.09.14~15 

Place: Pale De CZ Condo,  Busan, Korea

Aug 29, 2023

Power Electronics Seminar at LG

Date: 2023.08.25 

Place: LG Digital Park,  Pyeongtaek, Korea

inviter: LG electronics, BS(Business Solutions)

Presentations:

1.Jee-Hoon Jung, “Principles and Prospects of Power Electronic Systems: Diverse Applications and Trade-offs”.

Aug 27, 2023

Nakoka Technical University Invited Talk

Date: 2023.08.04 

Place: Nakoka Technical University,  Nikatahyun, Japan

inviter: Prof. Junichi Itoh, Advisor of Power Electronics Lab., Nagaoka Univ. of Tech

Presentations:

1.Jee-Hoon Jung, “Advanced Power Electronics Technologies and Recent Research Activities of APIPEL in UNIST”.

July 17, 2023

Korean Institute of Power Electronics (KIPE) Annual Conference 2023

Date: 2023.07.04 – 2023.07.06

Place: welli Hilli Park Resort  Hoengseong, Korea

Oral Presentations:

1.Jee-Hoon Jung, Jae-Wook Lim, “Development of a Test-bed Using Power Hardware-in-the-Loop Simulation for a 1-MVA Multi-Channel Electric Vehicle Charger”.

2.Won Sik Jeong, “Optimal Harmonic Selection Technique for Improving Heating Performance of Low Resistance Pot”.

3.Jun Suk Lee, “Hybrid Switching Modeulation Methods of Series Resonant Inverters to Reduce Operating Variations in induction Heating ”.

4.Gwon Gyo Jung, “Small-Signal Modeling and Controller Impact Analysis of Hybrid Transformers Considering Praasitic Capacitance of Transformers”.

May 30, 2023

International Conference on Power Electronics ECCE Asia [2023 ICPE ECCE Asia]

Date: 2023.05.21 – 2023.05.26

Place: ICC Jeju, Jeju, Korea

Oral Presentation:

Jae-Wook Lim, "Effective Test-Method of QAB Converter-Based LVDC Distribution System Using Power HIL Simulation Test-bed"

Porster Presentation:

Kyung-Wook Heo, "Online Minimum Switching Frequency Tracking Technique for Improving Reliability of IPOS Induction Heating Systems"

Won-sik Jeong, "Current Limiter Circuit to Suppress Inrush Load Current for LVDC Distribution System"

Jun-Suk Lee, "Power Decoupling Strategy of QAB Converters for DC Microgrids with Islanding Operations"

Apr 13, 2023

Applied Power Electronics Conference[APEC]

Date: 2023.03.19 – 2023.03.23

Place: Orrlando, FL, USA

Oral Presentation:

Kyung- Wook Heo, "EM Noise Mitigation using Partial Power Processing LLC Resonant Converter"

Aug 08. 2022

Date: 2022.07.24 – 2022.07.26

Place: Hanoi University of Science and Technology(HUST), Hanoi, Vietnam

Jul 11. 2022

Korean Institute of Power Electronics (KIPE) Annual Conference 2022

Date: 2022.07.05 – 2022.07.07

Place: Hanwha Resort  Gyeongju, Korea

Oral Presentations:

1.Chano Jeon, “Control Algorithm of Triple-Active-Bridge Converter for Islanding Mode Operation and Effective Controller Design Based on Small Signal Modeling”.

2.Chang-Woo Yun, “Improved Power Decoupling Method of Quadruple-Active-Bridge Converter for Islanding Mode in DC Microgrid ”.

3.Hyunji Kim, “Optimal Design Methodology of PCB Coil for Induction Heater Considering Power Loss and Coil Temperature ”.

4.Jae-Wook Lim, “Development of Power HIL Simulation Test-Bed to Improve Realiability of LVDC Distribution System”.

Poster Presentations:

1. Kyoung-Wook Heo, "On-line Resonant Frequency Estimation Technique for Improving Reliability of IPOS Induction Heating Systems". 

May 17, 2022

Department Head Jee-Hoon Jung of Electrical Engineering at UNIST Honored at 'Outstanding Faculty & Staff Awards 2021'

Mar 25, 2022

Applied Power Electronics Conference[APEC]

Date: 2022.03.20 – 2022.03.24

Place: Huston, TX, USA

Oral Presentation:

Kyung- Wook Heo, "Temperature Estimation Technique for Induction Heating Vessels by Tracking Resistance Difference Under Operating Frequency Variation"