Electrical Engineering: Power System Engineering

1. Statistics
2. Information Literacy

1. Ph.D
Sep. 1984 - Aug. 1990 - Department of Electrical Engineering, Korea University, Seoul. - Received a Ph.D degree in Aug. 1990.
[Thesis: An Efficient Algorithm for Probabilistic Operating Simulation]

2. M.Sc.
Sep. 1982 - Aug. 1984 - Department of Electrical Engineering, Korea University, Seoul. - Obtained a M.Sc. degree in Aug. 1984.
[Thesis: A Study on Minimum Cost Expansion Planning of Power System
by Branch and Bound Method ]

3. B.Sc.
Mar. 1977 - Feb. 1981. - Department of Electrical Engineering, Korea University, Seoul. - Graduated Feb. 1981 with B.Sc.

Ph.D(Philosophy of Doctor)

KIEE. IEEE, Cigre, IET

1. 1988- 1991: Student member of KIEE
2. 1991-2006: Member of KIEE
3. 1991-present: Member of IET(IEE)
4. 2002-2004: member of CEA
5. 2006-present: Senior member of KIEE
6. 2007-2010: International Committee Member of PMAPS
7. 2005-present: RRPA Member of IEEE PES
8. 2005-present: Senior member of IEEE
9. 2012-2014: Editor in Chief of JEET
10. 2014-2018: Vice President of KIEE
11. 2019-2019: President Elect of KIEE
12. 2020-2020: President of KIEE
13. 2024-Present: Emeritus President of KIEE

- Power System Reliability Evaluation
- Power System Planning
- Outage Cost Assessment
- Nodal Probabilistic Production Cost Simulation
- Fuzzy Set Theory Application into Power Systems
- Development of Flexible Method for Future Power Systems
- Web based Online Real-time Reliability Integrated Information System considering Renewable
Energy Generators for Smart Grid.
- Reliability Analysis of Renewable Energy Resourced and Distributed Generators
- Energy transition and AI technology applications in Power Systems

Dr. Jaeseok Choi (S’88–M’91–SM’05, IEEE) was born at Gyeongju, Korea on 1958. Obtained B.Sc, M.Sc and Ph.D degrees from Korea University in 1981, 1984, 1990 respectively. His research interest includes Ambiguity Theory Applications, Probabilistic Production Cost Simulation,
Reliability Evaluation, Outage Cost Assessment and Expansion Planning of Power Systems.
Specially, his researches are focused on development and extension of model and methodology of
reliability and economics evaluation of power systems considering renewable energy generators
in recent. Since 1991, he has been a faculty of Gyeongsang National University where is a full
professor. He has been a Post-Doctor at University of Saskatchewan in Canada on 1996. He was visiting professor at Cornell University, USA in 2004 to 2006. He is also adjunct professor of Illinois
Institute of Technology, Chicago, IL, USA since 2007. He is a senior member, IEEE and KIEE since 2005. He was Editor-in-Chief of JEET, KIEE, Korea from January 1, 2012 to December 31, 2014. He was Vice-President of KIEE, since January 1, 2014 to December 31, 2018. He was President of KIEE
in 2020. He is Fellow of KIEE and Life senior member of IEEE now. He is confirmed as Special Appointment Professor at Shimonoseki city University, Japan since April 1st , 2025.

Main Papers included total 561 papers has been presented (Dec 31. 2024):

* J. Choi, R. Billinton, M. Futuhi-Firuzabed, "Development of A Nodal Effective Load Model Considering Transmission System Element Unavailabilities" IEE. G.T&D, pp.79-89, Vol.152, No.1, Jan. 2005. (KOSEF
#2000-1-30200-006-3) (SCI) (ISSN 1350-2360) (IF=57)

* Jaeseok Choi, Trungtinh Tran, A. El-Keib, R. Thomas, H. Oh and R. Billinton "A Method for Transmission System Expansion Planning Considering Probabilistic Reliability Criteria" IEEE Trans. on PS, Vol.20, No.3,
pp.1406-1415, Aug., 2005. (SCI) (IF=281)

* J.S. Choi, Jintaek Lim, and Kwang Y. Lee, “DSM Considered Probabilistic Reliability Evaluation and an Information System for Power Systems Including Wind Turbine Generators”, IEEE Trans. on Smart Grid, Vol.4, No.1, pp.425-432, Mar. 2013. (58 citations/GS)

* Jeongje Park, Wu Liang, J.S. Choi, A. A. El-Keib, Mohammad Shahidehpour, and Roy Billinton, “A Probabilistic Reliability Evaluation of Power System Including Solar/Photovoltaic Cell Generator”, IEEE PES
GM2009, Jul. 26-30, 2009, Calgary, AB, Canada. (178 citations/GS)

* Wu Liang, Jeongje Park, J.S. Choi, A. A. El-Keib, Mohammad Shahidehpour, and Roy Billinton, “Probabilistic Reliability Evaluation of Power Systems Including Wind Turbine Generators Using a Simplified Multi-State Model: A Case Study”, IEEE PES GM 2009, Jul. 26-30, 2009, Calgary, AB, Canada. (67 citations/GS)

* Ungjin Oh, Yeonchan Lee, Rajesh Karki and Jaeseok Choi, “Reliability evaluation of power system considering wind generators coordianted with multi-energy storage systems”, IET G.T.&D., Vol. 14, No. 5, March 2020, pp.786~796 (SCI).

* Jingfeng Zhao, Ungjin Oh, Yeonchan Lee, Joochang Park and Jaeseok Choi, “A Study on Reliability and Capacity Credit Evaluation of China Power System Considering WTG with Multi Energy Storage Systems”, Journal of Electrical Engineering & Technology, Vol. 16, No. 5, July 2021, pp.2367~2378.
(SCIE)

* Semin Jeong, Ungjin Oh, Jaeseok Choi and Yosuke Nakanishi, "Reliability Assessment and Outage Cost of the Korean Power System Using the Probabilistic Simulation Considering Natural Disaster", Journal of Electrical Engineering & Technology, Oct., 2021. (SCIE)

Certification of Patents:
1. Title: Reliability Assessment and Electronic Recording System of Power System including Solar Cell Generator. Patent application Number: 10-1020739
Date: 2011.03.02
Inventor: Jaeseok Choi
Patentee: Gyeongsang National University (2008.11.26.) Grade: Domestic in South Korea
2. Title: Cost Contribution Assessment and Electronic Recording System of Wind Turbine Generator Patent application Number: 10-1079763
Date: 2011.10.28
Inventor: Jaeseok Choi
Patentee: Gyeongsang National University (2011.10.28.)
Grade: Domestic in South Korea
3. Title: Reliability Assessment and Electronic Recording System of Power System including Wind Turbine Generator
Patent application Number: 10-1275278
Date: 2013.06.10
Inventor: Jaeseok Choi
Patentee: Gyeongsang National University (2011.11.03.)
Grade: Domestic in South Korea
4. Title: Method for evaluating the contribution of the offshore wind farm to economic efficiency and environmental characteristics, evaluation device and recording medium applied thereto
Patent application Number: 10-2020-0009332
Date: 2020.01.23.
Inventor: Jaeseok Choi, Semin Jeong
Patentee: Gyeongsang National University (2020.01.23.)
Grade: Domestic in South Korea
5. Title: Operation Method of Renewable Energy Generation Unit Connect with the BESS in Terms of Supply Reliability
Patent application Number: 10-2020-0009329
Date: 2020.01.23
Inventor: Jaeseok Choi, Ungjin Oh
Patentee: Gyeongsang National University
Grade: Domestic in South Korea

Projects (since 2017)
1. “Socially customized leading university in industry-academia cooperation (LINC+) development
project”, KNRF, 2017.04.01~2018.02.28., General Director. (3.884M$)
2. “Advanced track on core technologies to ensure the safety of the power system in preparation for
earthquakes and disasters”, KETEP, 2019. 04.01 ~ 2021. 06.30., General Director, (2.657M$)
3. “Strategy research service to secure profitability of pumped water construction” KHNP,
2020.06.16~ 2021.06.15., General Manager, (0.245M$).
4. “Development of a computer system to analyze the characteristics of next-generation pumped
storage generators and determine the optimal pumped storage power generation source composition
ratio (BGM)”, KHNP, 2021.06.01~2022.05.31., General Manager, (0.220M$).
5. “Development of AI-based Simulation Technology For Analyzing the Effectiveness of Hybrid
Pumped Storage Hydro Generation System” KHNP, 2025.03.01~2027.02.28., Chief Researcher,
(0.67M$).

1. "Power System Reliability: Topic I; Development of the ELDC and Reliability Evaluation of Composite Power System using Monte Carlo Method, Topic II; Development of an Analytical Method for Outage Cost Assessment in a Composite Power System", Department of Electrical Engineering, University of Saskatchewan, August 23, 2000, Saskatoon, SK, Canada.
2. "Application of Fuzzy Set Theory for Flexible Planning and Operation of Power System", Department of Electrical Engineering, Osaka Institute of Technology, October 23, 2000, Osaka, Japan.
3. "Probabilistic Reliability Evaluation of Transmission Systems” Korea Electric Power Cooperation, June 22-29, 2001, Korea.
4. "Reliability Evaluation of Composite Power Systems" Proceedings of KIEE PES Spring Conference, Tutorial Course, Onyang, May 24-25, 2002, Korea.
5. "Transmission System Expansion Planning", Department of Electrical Engineering, University of Waterloo, August 22, 2003, Waterloo, ON, Canada.
6. "A Study on Optimal Reliability Criterion Determination for Transmission System Expansion Planning", Department of Electrical and Computer Engineering, Cornell University, Sep.-Oct., 2004, Ithaca, NY, USA.
7. "A Fuzzy Branch and Bound-Based Transmission System Expansion Planning For the Highest Satisfaction Level of the Decision Maker" University of Alabama, April, 2005, USA.
8. “Application of Fuzzy Set Theory for Transmission System Expansion Planning", Waseda University, November, 2005, USA.
9. “Reliability Evaluation of Transmission Systems” KIEE Fall Meeting 2005, Reliability Workshop, Junnam University, Korea.
10. “The Recent Technology Trend of Reliability Evaluation of Power Systems”, KIEE GM2006, Chungnam University, Korea.
11. “Reliability Evaluation of Power System” AIT, Thailand, Feb. 27-28, 2006.
12. “The Recent RPM Trend in North America”, 6th Electric Market Workshop, Chungnam Anmyendo,
Ocean Castle, Nov. 9-10, 2007, Korea.
13. “The Effect of Renewable Energy Resource Generators on Power System Reliability”, KIEE Fall Meeting 2008, special session, Jeju University, Nov. 7-8, 2008, Korea.
14. “The Effect of Renewal Energy Resource Generators on Power System Reliability", Waseda University, Kitakushu, November 15, 2008, Japan.
15. “New Trial Applications of Probabilistic and Deterministic Reliability Approach Models for Robust Grid Planning in South Korea” 2009 CIGRE SC B2.22 KOREA MEETING & 765KV TECHNOLOGY COLLOQUIUM, October 19, 2009, Seoul, Korea.
16. "Reliability Evaluation of Power System Including Renewal Energy Resource Generators", Meiji University, Tokyo, Feb. 23, 2011.
17. "Web Based Online Real Time Power System Reliability Information System", Waseda University, Tokyo, Feb. 24, 2011.
18. "Web Based Online Real Time Power System Reliability Information System", Waseda University, Kitakushu, Feb. 26, 2011.
19. “Reliability Evaluation of Power System Including Wind Turbine Generators, WeGAT ERC, Special Session, CHONBUK NATIONAL UNIVERSITY, June 8, 2011.
20. “Reliability Evaluation of Small Sized Power System Including Wind Turbine Generators, KEPCO, July. 11, 2011.
21. “Web-Based Online Real Time Reliability Information System of Power System Including Wind Turbine Generators", Michigan State University, Lansing, MI, USA, Aug. 3, 2011.
22. Tutorial Lecture, ISME2012, IPS campus Waseda University, Kita-kyushu, August 22, 2012.
23. “SCI: Journal Selection Process and Strategy”, The 7th Workshop, Korean Council of Science Editors(KCSE), Jan 18, 2013.
24. “Reliability of Power System”, 10 workshops of the generator group in 2013 the second half of the large emphasis technology, KOSEP, November 04, 2013.
25. “Improved reliability and utility assessment of ESS”, KEPRI, February 05, 2014.
26. “Reliability evaluation technology of pumped storage power from the power system”, 2014 KIEE Autumn Workshop, May 30, 2014.
27. “Activation solution of the regional economy”, Creation accompanied growth forum of localization era, KOSEP, October 08, 2014.
28. “Generator maintenance Scheduling model”, 10 workshops of the generator group in 2014 the second half of the large emphasis technology, KOSEP, September 18, 2014.
29. “Reliability & Resiliency”, KIEE Autumn meeting, KPX, November 07~08, 2014.
30. “Creation Research of development and value of the detail operation model of pumped-storage power”, KIEE Autumn Workshop, KPC, , November 07~08, 2014.
31. "Web-Based Online Real Time Reliability Information System of Power System Including Wind Turbine Generators", Rochester Institute of Technology, NY, USA, Jan. 29. 2015.
32. “Contribution Evaluation of The New 7th and 8th Yeong Heung Generator Units to Power System”, 10 workshops of the generator group in 2015 the second half of the large emphasis technology, KOSEP, April 02, 2015.
33. Jaeseok Choi, “Reliability Engineering of Power System including Renewable Energy Generators”, Special Seminar, Cantho University, Vietnam, October 28, 2016.
34. Jaeseok Choi, “Power System Reliability of Renewable Energy Generators combined with ESS in Korea”, ICEE 2017, Weihai. China, July 06, 2017.
35. Jaeseok Choi, “Reliability Analysis for ESS combined with Renewable Energy Generators, Gyeongsang National University-Meiji University Seminar, Meiji University, August 27, 2017.
36. Jaeseok Choi, “Reliability Analysis for ESS combined with Renewable Energy Generators”, Kyushu Institute of Technology Seminar, Kyushu Institute of Technology, October 02, 2017.
37. Jaeseok Choi, “Theory of Best Generation Mix and Natural Gas and Electric System Interactions in South Korea”, MSO-Geo&PE’17, Universiti Teknologi PETRONS, Seri Iskandal, Perak, Malaysia, December 17~18, 2017.
38. Jaeseok Choi, “Probabilistic Simulation Methodologies of Power System Considering Renewable Energy Generators”, IFAC CPES2018 Key Note Speech, Tokyo, Japan, September 04~06, 2018.
39. Jaeseok Choi, “Composite System Reliability TF Probabilistic Reliability of HVDC Expansion Planning in South Korea”, RRPA Meeting & LOLE Best Practices Working Group, Atlanta, GA,
USA, August 4~8, 2019.
40. Jaeseok Choi, Utility Analysis of Hybrid System of Pumped Hydro Storage- BESS, KIEE PES Spring meeting Special Session, April 25, 2025.

choi-j@shimonoseki-cu.ac.jp