Yu-Ming Chang

Title: Innovations of Yu-Ming Chang in Power Electronics

Introduction

Yu-Ming Chang is a prominent inventor based in Shanghai, China. He has made significant contributions to the field of power electronics, particularly in the development of high-power medium-voltage drive power cells. With a total of 2 patents, his work has garnered attention for its innovative approaches to power management and heat dissipation.

Latest Patents

Yu-Ming Chang's latest patents include a high-power medium-voltage drive power cell that features power elements disposed on both sides of a base plate. This invention comprises a rectifier module that rectifies three-phase AC input voltage to obtain a DC voltage. It also includes an IGBT (Insulated Gate Bipolar Transistor) inverter bridge connected to capacitors, allowing for adjustable frequency, amplitude, and phase of the AC voltage. Additionally, a bypass module is integrated to provide functionality during abnormal states of the inverter bridge. Another notable patent is a heat sink device designed for effective heat dissipation in high-power medium-voltage drive power cells. This device features a heat dissipation substrate with an inner layer that houses a heat pipe, facilitating efficient thermal management.

Career Highlights

Yu-Ming Chang is currently employed at Delta Electronics (Shanghai) Co., Ltd., where he continues to innovate in the field of power electronics. His work has been instrumental in advancing technologies that enhance the efficiency and reliability of power systems.

Collaborations

Some of his notable coworkers include Shao-Cai Ma and Hong-Jian Gan, who have collaborated with him on various projects within the company.

Conclusion

Yu-Ming Chang's contributions to power electronics through his innovative patents and work at Delta Electronics highlight his role as a key figure in the industry. His inventions are paving the way for advancements in high-power applications and efficient thermal management.