Konkuk Integrated/Intelligent Power Systems (KI²PS) Laboratory
for future energy city
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Welcome to KI²PS Lab.
KI²PS Lab. focuses on power electronics technologies to develop highly integrated/intelligent power conversion system for electric vehicle, data center, renewable energy, and artificial intelligence (AI) applications.
"Future energy city" with the integrated power systems will provide human beings clean, convenient, and cost effective energy solutions.
Join us
We are looking for passionate crew members to join us on the journey towards the future energy city. Please let us know if you are ready to dedicate your passion to our mission together, by contacting jongwookim at konkuk dot ac dot kr.
IEEE TPE (IF 6.7), Aug. 2024
Data center requires high power conversion efficiency even in the light load conditions, but the efficiency of an LLC converter with frequency control decreases as the load decreases. We proposed mixed resonant frequency control to improve the efficiency of a full-bridge LLC converter in the light load conditions.
IEEE TTE (IF 7), Apr. 2024
Fast EV charging modules need to cover both 400 V and 800 V rated batteries, further widening the output voltage range. We proposed a reconfigurable LLC converter with the reduced number of bi-directional switches in conventioanl approach.
IEEE TPE (IF 6.7), May 2024
Data center requires hold-up time, deteriorating the power conversion efficiency and power density. We proposed a new resonant converter to extend hold-up time with a simple partial power processing circuit.
IEEE Access (IF 3.9), Apr. 2023
Electrical vehicle charger needs to maintain a high efficiency over a wide output voltage range. We proposed a sequential PWM for a resonant converter to maintain high and flat efficiency curve over a wide range of output voltage.
We are happy to announce that KI²PS lab has been awarded research funding from Hyundai Mobis (현대모비스, 2026~2026). The research topic is "PCB Magnetics Based 22 kW Bi-directional On Board Charger Power Circuit Development". Congratulations!
We are happy to announce that KI²PS lab has been awarded research funding from SoluM (솔루엠, 2026~2026). The research topic is "High Power Density 50 kW EV Charging Module - 2nd Generation Development". Congratulations!
We are happy to announce that KI²PS lab has been awarded research funding from Samsung Electronics (삼성전자, 2026~2026). The research topic is "AI-Based Design Optimization of Power Conversion Circuit Components and Tool Development". Congratulations!
We are happy to announce that KI²PS lab has been awarded research funding from National Research Fund of Korea (한국연구재단 우수신진연구, 2024~2029). The research topic is "Research on Integrated and Intelligent Power Conversion System for the Advanced Data Center". Congratulations!
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