Meiyun Li

Title: Meiyun Li: Innovator in Control Strategies for EMUs

Introduction

Meiyun Li is a prominent inventor based in Qingdao, China. She has made significant contributions to the field of electrical engineering, particularly in the development of control strategies for electric multiple units (EMUs). With a total of 2 patents, her work focuses on enhancing the reliability and efficiency of power systems.

Latest Patents

One of her latest patents is titled "Synchronous soft-start networking control strategy for parallel auxiliary converters of EMU." This innovative strategy allows for the quick and reliable automatic networking of auxiliary converters during emergency traction modes. The specific solution includes fast networking logic, bus fast-tracking logic, and a PQ droop networking control strategy. This approach ensures that EMUs can complete startup loading within a specified time under various working conditions, thereby providing a strong guarantee for stable and reliable operation.

Another notable patent is the "Parallel control method and system for single-phase inverters and inverter." This invention involves controlling multiple single-phase inverters to work in parallel. It addresses the issue of restarting delays in mutual backup modules by allowing other inverters to automatically bear the load of a faulted inverter. This results in a real uninterrupted power supply and high reliability, which is crucial for vehicle operation.

Career Highlights

Meiyun Li has worked with Crrc Qingdao Sifang Rolling Stock Research Institute Co., Ltd., where she has been involved in various innovative projects. Her expertise in control systems has made her a valuable asset in the field of rolling stock research and development.

Collaborations

Throughout her career, Meiyun has collaborated with notable colleagues, including Bo Zhang and Wendong Ji. These collaborations have further enriched her work and contributed to the advancement of technology in her field.

Conclusion

Meiyun Li's contributions to the field of electrical engineering, particularly in control strategies for EMUs, highlight her innovative spirit and dedication to enhancing power system reliability. Her patents reflect her commitment to advancing technology and ensuring efficient operations in the transportation sector.