Fengjiao Cui

Title: Innovations of Fengjiao Cui in Solid State Transformer Technology

Introduction

Fengjiao Cui is a notable inventor based in Singapore, recognized for his contributions to the field of solid state transformer technology. With a total of 2 patents, he has made significant advancements that enhance the efficiency and control of electrical systems.

Latest Patents

Cui's latest patents include a "Solid State Transformer Controller," which describes a decoupled system for controlling a solid state transformer (SST). This system comprises an AC-to-DC stage, a DC-to-AC stage, and a DC-to-DC stage, with the DC-to-DC stage featuring one or more DC-to-DC converters. The system is equipped with a stored energy controller that manages the total amount of stored energy within the capacitors of the SST, a power flow controller that regulates power flow, and energy balancing controllers that ensure energy balance in the corresponding DC-to-DC converters.

Another significant patent is the "Dual Voltage and Current Loop Linearization Control and Voltage Balancing Control for Solid State Transformer." This invention outlines a method for controlling an SST by dividing a dual active bridge (DAB) power reference on a Low Voltage (LV) side Direct Current (DC) link voltage. The method includes determining deviations in capacitor voltage and adjusting current signals for each DAB module to maintain optimal performance.

Career Highlights

Fengjiao Cui is affiliated with Nanyang Technological University, where he continues to innovate and contribute to research in electrical engineering. His work focuses on improving the functionality and reliability of solid state transformers, which are crucial for modern power systems.

Collaborations

Cui collaborates with esteemed colleagues such as Brihadeeswara Sriram Vaisambhayana and Anshuman Tripathi, enhancing the research output and innovation potential within his field.

Conclusion

Fengjiao Cui's work in solid state transformer technology exemplifies the impact of innovative thinking in electrical engineering. His patents reflect a commitment to advancing technology that can lead to more efficient energy systems.