EE Building 7F R92709
Professor Le-Ren Chang-Chien
Address
Email

TEL
+886-6-2757575 ext.62387
Lab Weblink
Power System and Converter Design Lab
(R92781/ext.62400-1579)
Background
Educations
2002
Ph.D. School of Electrical and Computer Engineering,Purdue University, USA, December
1998
M.S.E.E. Department of Electrical and Computer Engineering,University of Wisconsin-Madison, USA, May
1993
B.S. Department of Engineering Science,National Cheng-Kung University, Taiwan, June
Experiences
2024/11-now
Technical director of Renewable Energy, Green Energy and Environment Research Laboratories(Industrial Technology Research Institute)
2020/11-now
Vice President(Taiwan Power and Energy Engineering Association)
2023/03-now
Deputy Director of the Power Reliability and Resilience Promotion and Management Office(Ministry of Economic Affairs)
2013/02-now
Professor (National Cheng-Kung University )
2022/04-2024/11
Deputy Director General of the Green Energy and Environment Research Laboratories(Industrial Technology Research Institute)
2022/04-2024/09
Director of the Grid Management and Modernization Strategy Office(Industrial Technology Research Institute)
2021/08-2022/04
Deputy Director of the Grid Management and Modernization Strategy Office(Industrial Technology Research Institute)
2019-2020
Senior Distinguished Researcher(Industrial Technology Research Institute)
2018/01-2019/12
Advisory Committee Member(Taiwan Power Company)
2018/01-2019/12
Council Member(Taiwan Power and Energy Engineering Association)
2017/08-2020/07
Director of Electrical Laboratories(National Cheng-Kung University )
2009-2013
Associate Professor (National Cheng-Kung University)
2003-2007
Assistant Professor (National Cheng-Kung University)
1998-2002
Research assistant (Purdue University)
1998-2002
Teaching assistant (Purdue University)
Specialities
- Power System Operation and Control
- Power Electronics and Converter Design for Distributed Generation
- Smart Grid
- Large Scale Wind Farm Dispatch and Control
- Applications for Electrical Machinery and Power Electronics in Power System
- Low Power Converter SoC Design
- Analog/Digital Power Management IC Design
Publication
Journal
more
less
- Liang, Tsorng-Juu, Chen, Jiann-Fuh, Chang-Chien, Le-Ren, Lee, Jia-You, Lee, Tzung-Lin, Kuo, Cheng-Chien, Liu, Yu-Jen, Ma, Chao-Tsung, Chen, Wen-Chung, Chen, Kai-Hui, Peng, Guang-Ting, Implementation and Applications of Grid-Forming Inverter with SiC for Power Grid Conditioning, IEEJ JOURNAL OF INDUSTRY APPLICATIONS, Vol.12, pp.244-253, 2023
- Pei-Jung Yang, Chun-Hsun Wu, Che-Yen Yeh, Le-Ren Chang-Chien, Digital Adaptive On-Time and Transient-Optimized Ripple Controlled Buck Converter, IEEE ACCESS, Vol.11, pp.135351-135364, 2023
- Xiu-Hua Guo, Che-Wei Chang and Le-Ren Chang-Chien, Digital Implementation of Harmonic and Unbalanced Load Compensation for Voltage Source Inverter to Operate in Grid Forming Microgrid, ELECTRONICS, Vol.11, Mar 2022
Conference
more
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- I-Chan Tsai, Chung-Chia Wu, Le-Ren Chang-Chien, Parameter Optimization for Active Gate Drivers in Silicon Carbide Applications, IEEE 2024 Southern Power Electronics Conference (IEEE SPEC2024),November 2024, Brisbane, Australia
- Hong-Jhih Jhou, Le-Ren Chang-Chien, Ripple-based Implementation of Order-Power Distribution Control on a Single-Inductor QuadOutput Buck Converter, The 10th Taiwan and Japan Conference on Circuits and Systems(TJCAS 2024),Auguest 2024, Kumamoto,Japan
- Le-Ren Chang-Chien, Dinh Minh Duc Truong, Wang-Rong Ni, Seamless Electro-mechanical Energy Release for Frequency Response Under Optimal Wind Power Production, 2024 IEEE IAS Industrial and Commercial Power System Asia (IEEE I&CPS Asia 2024),July 2024, Pattaya, Chonburi, Thailand
Patent
more
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- Forward Converter and Forward Power Factor Corrector(TW202504226A)
- Switching Control Method and Control System for Switched Reluctance Motor(TWAA-202141917)
- Constant-Frequency Modulated Direct Torque Control Method and Apparatus Thereof(I676346)
Others
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- Ph.D. Dissertation (2002) “An automatic generation control with adaptive frequency bias setting for NERC performance standard”, Purdue University, West Lafayette, IN., USA
- International Future Energy Electronics Conference (IFEEC2013), Secretariat
- The 4th IASTED Asian Conference on Power and Energy Systems (AsiaPES 2007), International Program Committee.
Projects
- Autonomous power sharing control on UPS applications, Delta Electronics Research Project, 1-year project, Principal Investigator (2025/03/01~2026/02/28)
- Evaluation of wind power curtailment rate and risk in 2030/2031, Orsted, Principal Investigator (2023.11~2024.03)
- Modeling, optimization, and EMI mitigation strategies for wide-bandgap power drive circuits, NSTC Research Project, 3-year project, Principal Investigator (2023.08~2026.07)
- Integrated resource planning for the power sector under the 2050 net-zero carbon goal: Exploring low-conflict and high-consensus energy transition pathways, NSTC Interdisciplinary Research Project, 3-year project, Co-PI (2022.08~2025.07)
- Development and design of fully digital ripple-controlled buck regulators, NSTC Research Project, 2-year project, Principal Investigator (2023.08~2025.07)
- Drive circuit design and characteristic analysis of SiC power devices, Delta Electronics Inc., Principal Investigator (2021.09~2023.01)
- Optimization of wind turbine inertia energy and wind farm output considering different operation modes and wake effects, MOST Research Project, 2-year project, PI (2021.08~2023.07)
- Multi-objective optimization of mid- to long-term generation scheduling considering renewable fluctuation, forced outage rates, and pollution control, MOST Research Project, 2-year, PI (2021.08~2023.07)
- Health diagnostics and chip temperature estimation for IGBT components in drivers (Phase 2), Delta Electronics Inc., PI (2020.09~2021.08)
- Specification development for high/low frequency and voltage/frequency protection relay settings for various generators, Taiwan Power Company, TPC - 546–2101–0801, PI (2020.06~2021.05)
- Autonomous and flexible coordinated decentralized control of multiple microgrids, MOST Industry-Academia Research Project, MOST 109-3116-F-006-019 -CC1, 1-year, PI (2020.04~2020.12)
- Development of three-phase bridgeless boost high power factor AC-DC converter, Chi Yang Technology Co., Ltd., PI (2020.05~2021.04)
- Health diagnostics and chip temperature estimation for IGBT components in drivers, Delta Electronics Inc., PI (2019.09~2020.08)
- Realization of high-performance non-compensator-controlled voltage regulator using mixed-signal architecture, MOST Research Project, MOST 108-2221-E-006 -134 -MY2, 2-year, PI (2019~2021)
- Simulation and design study of high-efficiency high-carrier-frequency power electronics applied to motor drive controllers, National Chung-Shan Institute of Science & Tech, Co-PI (2019.02~2019.12)
- Construction and support of power usage planning platform, III (Institute for Information Industry), PI (2019.01~2020.12)
- Feeder reconfiguration and backup transfer techniques for regional grids with higher green energy penetration, INER (Nuclear Energy Research Institute), PI (2019.02~2019.12)
- Key characteristic evaluation and prototype design of high-carrier PWM servo drivers (107/09/01~108/08/31)
- Construction and analysis of cloud energy information system (2018/07~2018/12)
- Key characteristic evaluation and prototype design of high-carrier PWM servo drivers (106/09/01~107/08/31)
- Design, simulation testing, and performance improvement of tidal power generation system (106/01/01 - 106/12/31)
- Evaluation of core software for simplified electricity trading platform, Taiwan Power Company, TPC-0060600003, 1-year, PI (2017.07~2018.06)
- Analysis of renewable energy grid connection systems, U-Der Electric Consultant Co., Ltd., 8-month project, PI (2017.05~2017.12)
- Design of dynamic voltage regulator capable of fast tracking multiple voltage levels, MOST 105-2221-E-006-178-MY2, 2-year, PI (2016~2018)
- Enhancing current ancillary service estimation mechanisms and operational platform, Taiwan Power Company, TPC-5460300124, 3-year, Co-PI (2015~2018)
- Pipeline-shared technology applied to multiphase power regulation module for power management unit, MOST 104-2221-E-006-089, 1-year, PI (2015~2016)
- Integrated design of in-vehicle magnetic gear motor drive system, MOST 104-2218-E-006-026, 3-year project, Co-PI (2015~2018)
- Benefit and impact analysis of adopting CPS (Control Performance Standards) in Taipower system, Taiwan Power Company, TPC-5460300124, PI (2015~2016)
- Integrated application of demand response, distributed generation, and energy storage, MOST 104-3113-E-006-007, 1-year project, PI (2014~2015)
- Power control and communication port improvement project for industrial control systems, MOST 103-2622-E-006-023-CC3, 1-year, PI (2014~2015)
- Development of ocean energy tidal power integrated system, Bureau of Energy, Ministry of Economic Affairs, G103-B202, Co-PI (2014)
- Development of digitally controlled low-dropout regulators driven by integrated power management ICs, NSC 102-2221-E-006-099-MY2, 2-year, PI (2013~2015)
- Online simulation and parameter identification for generator units, Taiwan Power Company, TPC-Contract 100-0006, PI (2011~2013)
- High-performance and flexible energy management system integrating advanced energy storage and controllable load with wind power, NSC99-2628-E-006-162, NSC100-2628-E-006-016, 3-year project, PI (2010~2013)
- Development of CPS control performance standards and AGC strategy analysis for Taipower, Taiwan Power Company, TPC-546-2101-9801, PI (2009~2010)
- Tidal power R&D project, 98-D0204-1, Ocean Energy Research Center, MOEA, Co-PI (2009~2010)
- System development and performance verification of high-performance small-to-medium wind turbine (10 kW), NSC98-3114-E-006-011, NSC101-3113-E-006-003, Co-PI (2009~2012)
- Implementation of dispatchable wind power operation mode - development of optimal dispatch, reserve capacity, and reliability analysis, NSC96-2628-E-006-251-MY3, 3-year, PI (2007~2010)
- Low-power switching voltage regulator and power management IC testing platform using active filtering and digital control, NSC96-2221-E-316-MY2, 2-year, PI (2007~2009)
- Assessment of frequency response of large wind turbines using state estimation to provide frequency regulation strategies, NSC95-2221-E-006-478, PI (2006~2007)
- Development of active filter-based chip system switching voltage regulator, NSC95-2221-E-006-479, PI (2006~2007)
- Development of EMS generation dispatch simulation system with electricity market integration, NSC94-2213-E-006-123, PI (2005~2006)
- Formulation of frequency operation standards for Taiwan power system, Taiwan Power Company, TPC-546-2101-9430, Co-PI (2005)
- Development of AGC support control platform and application of frequency response features in ancillary services, NSC93-2213-E-006-135, PI (2004~2005)
- Wind-powered water pump and power co-generation system, NSC93-2622-E-006-033-cc3, PI (2004~2005)
- Surge and lightning protection measures for overhead distribution line systems, Taiwan Power Company, TPC-546-93-4105-05, Co-PI (2004)
- Research on improving load frequency control performance, NSC92-2213-E-006-089, PI (2003~2004)
Classes
2024 first semester
2024 second semester
Students
Current Academic Year Lab Members
Ph.D.
Chung-Chia Wu
Master
Ren-Ru Huang
Jin-Guo Huang
Yi-Chen Lin
Po-Wen Wang
Chiu-Chun Cheng
Tzu-Chiang Kao
Hui-Ping,Wang
Quoc Trung, Tran
Hsuan Liang
Jhih-You Sie
Yu-Chun Huang
Dun-Hsiang Chang
Chih-Peng Pan
Kuo-Lun Chiang
Yi-Hao Chen
Han-Li Hsieh
Chong-Yi Wong
Graduates of all Previous Years
Ph.D.
2012
Chun-Hsun Wu
2015
Yien-Cha Chu
2020
Chih-Wei Liu
2022
Hsin-Wei Chiu
Master
2005
Ku-Hsien Lin   Chien-Sheng Luo   Kee-Hsien Li   Yi-Chei Chu   Fan-Chun Sun
2006
Yin-Juin Lin   Hong-Tze Tast   Kuan-Chang Lin   Hsuan-Hung Pau
2007
Fang-Ting Hung   Zhe-Wen Chan   Chih-Min Hung   Chun-Sheng Cheng   Wei-Ming Huang
2008
Shinn-Shyan Wu   Yao-Cing Yin   Mao-Ting Huang   Jhao-Yuen Chen   Yu-Syue Wu
2009
Da-Wei Lin   Wei-Chih Liao   Wei-Ting Lin   Hsiang-Chun Lu
2010
Tse-Jen Tseng   Jing-Yi Huang   Yu-Fu Chou   Chi-Jen Chong   Chung-Wei Chien   Ngoc-An Luu   Chia-Hsuan Kang
2011
Hung-Chean Thong   Zong-Hao Hu   Mei-Ru Lu   Sheng-Han Yang   His-Jui Wang
2012
Wei-Chih Liang   Dante Recalde   Chih-Chau Yang   Zi-An Liu   Chie-Che Sun   Pei-Wei Shie
2013
Chi-Hong Jain   Tai-I Kuo   I-Jen Chen   Kai-Jie Jhang   Ruei-Cheng Shiu
2014
Zhi-Xiang Zhang   Cheng-Jung Hsieh   Bu-Wei Chen   Wei-Gen Chong   Che-Wei Chang   Chai-Jung Lin   Yu-Ju Yen   Kun-Yen Tsai
2015
Xiu-Hua Guo   Chung-Lun Li   Chi-Shiuan Tzeng   Ting-Yu Chen
2016
Jyun-Wei Ho   Fong-Jhih Guo   Chen-Yao Sun   Shang-Yu Yeh   Yu-Hsuan Cheng   Dzulfiqar Rais Mushthafa
2017
Chih-Han Lin   Hao-Yu Ting   Po-Ying Li   Guan-Zhi Tung
2018
Hung-Yu Chen   Yi-Ning Sie   Hung-Chieh Hou   Yu-Lin Lin   Yo-Heng Lee   Bo-Ting Chen   Jian-Hao Su   Chung-You Chang   Wei-Hung Ko
2019
Cheng-Jui Wen   Yu-Lin Chen   Chun-Hsiang Yang   Shih-Hao Ye   Wen-Zeng Li
2020
Che-Yen Yeh   Da-Wei Zheng   Chung-Chia Wu   Jie-Ru Liao   Tsung-Wei Lin   Muhammad Rizaldy
2021
Chun-Chia Chang   Wang-Rong Ni   Tung-Yen Wu   Pei-Jung Yang   Jing-Yao Yen
2022
Yi-Sheng Lin   Chun-Yu Liu   Ying-Ru Lin   Ming-Lun Chuang
2023
I-Chen Tsai   Bo-Hsien Lee   Yu-Hsuan Chen   Trương Đình Minh Đức   Tzu-Chieh Yang   Hong-Min Lin   Hung-Ju Hsu   Ching-Fu Wang    Tzu-Hsuan Huang
2024
Hong-Jhih Jhou   De-Sheng Hsu   Chun-Wei Lin   Hao-Bo Zhang   Chun-Wei Lin   Bo-Xian Huang   Che-Wei Liu   Jia-Ming,Zhang
Honors
- Genesys Logic Thesis Potential Award (2022)
- IEEE Tainan Section Outstanding Technical Achievement Award (2019)
- IEEE Tainan section Delta award (2019)
- Kaohsiung Chapter, Chinese Institute of Electrical Engineering(CIEE) Outstanding Electrical Engineer Award (2013)
- IEEE Senior Member (2012)
- IEEE 2010 Best Gold Member Award, Tainan Section (2010)
- National Cheng Kung University Outstanding Teaching Award (2009)
- Kaohsiung Chapter, Chinese Institute of Electrical Engineering (CIEE) Excellent Electrical Engineer Award (2008)
- Who's who in the world (2007-2009)
- Who's who in Engineering & Science (2006)
- National Science Council (NSC) Outstanding Research Award for Early-Career Scholars in Power Engineering Division (2005)