Da Zhang

Title: Da Zhang: Innovator in Pulse Width Modulation Technologies

Introduction

Da Zhang is a notable inventor based in Manchester, CT (US), recognized for his contributions to the field of pulse width modulation (PWM) technologies. With a total of 7 patents to his name, Zhang has made significant advancements that enhance the efficiency and performance of electrical systems.

Latest Patents

Zhang's latest patents include innovative systems that utilize PWM interleaving. One of his key inventions is a PWM interleaving system that incorporates active harmonic filters (AHFs). This system is designed to improve the quality of current flowing between a grid and a load by synchronizing the PWMs of the AHFs to cancel ripple currents. Another notable patent focuses on a PWM-based AHF system that adjusts load and frequency to enhance total harmonic cancellation performance, particularly for chiller applications. This invention features harmonic compensators that filter different orders of harmonics, ensuring optimal performance under varying load conditions.

Career Highlights

Throughout his career, Da Zhang has worked with prominent organizations such as Carrier Corporation and the Florida State University Research Foundation, Inc. His experience in these institutions has allowed him to develop and refine his innovative technologies, contributing to advancements in electrical engineering.

Collaborations

Zhang has collaborated with esteemed colleagues, including Thomas Gietzold and William Perdikakis. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and the development of cutting-edge technologies.

Conclusion

Da Zhang's work in pulse width modulation technologies exemplifies his commitment to innovation and excellence in electrical engineering. His patents not only reflect his expertise but also contribute to the advancement of efficient electrical systems.