This inventor holds 2 USPTO granted patents. Top assignee: Kookmin University. Active years: 2022-2023.
Company Filing History:
Years Active: 2022-2023
Title: Hee Sun Lim: Innovator in Motor Technology
Introduction
Hee Sun Lim is a prominent inventor based in Seoul, South Korea. He has made significant contributions to the field of motor technology, particularly in the development of methods and devices for enhancing the performance of permanent magnet synchronous motors. With a total of 2 patents, Lim's work is recognized for its innovative approach to solving complex engineering challenges.
Latest Patents
One of Lim's latest patents is titled "Method and device for detecting initial position of rotor of permanent magnet synchronous motor in no-load environment." This invention outlines a method for accurately determining the initial position of a rotor in a no-load scenario. The process involves estimating a temporary initial position, measuring voltage commands during velocity control, and calculating a compensation angle to derive the rotor's initial position.
Another notable patent is the "Current measurement method for three-phase pulse width modulation inverter using real-time switch junction temperature estimation technique and three-phase pulse width modulation inverter system." This patent describes a method for measuring current in a three-phase inverter by estimating the junction temperature of the switch and calculating power loss, which enhances the efficiency and reliability of inverter systems.
Career Highlights
Hee Sun Lim is affiliated with Kookmin University, where he continues to engage in research and development in the field of electrical engineering. His academic background and practical experience contribute to his innovative work in motor technology and inverter systems.
Collaborations
Lim has collaborated with notable colleagues, including Geun Ho Lee and Dong Gil Kang. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and advancements in technology.
Conclusion
Hee Sun Lim's contributions to motor technology and inverter systems demonstrate his commitment to innovation and excellence in engineering. His patents reflect a deep understanding of complex systems and a drive to improve efficiency in electrical applications.