Krishna Vasudevan

Title: Innovations of Krishna Vasudevan

Introduction

Krishna Vasudevan is a notable inventor based in Chennai, India. He has made significant contributions to the field of power electronics, particularly in the area of controlling harmonics in supply voltage. His innovative approach has implications for improving the efficiency and longevity of electronic systems.

Latest Patents

Krishna Vasudevan holds a patent for a "Switch control method to suppress the effect of even order harmonics in supply voltage on ASD." This invention discloses systems and methods for reducing the effect of even-order harmonics in supply voltage on the DC side components in AC-DC converters. The method involves modifying the timing of firing various switches through control logic, which is derived from measuring or estimating the DC bus voltage or the input AC voltage. The proposed control methods are particularly useful in Adjustable Speed Drives (ASDs) that utilize a full bridge configuration for AC to DC conversion. Additionally, this control method can be applied in ASDs with a half bridge rectifier system. The innovation reduces stress on the DC bus capacitor, increases the capacitor's lifespan, and minimizes peak current through the device, thereby reducing stress on rectifier components. Furthermore, it lowers the Total Harmonic Distortion (THD) of the line current.

Career Highlights

Throughout his career, Krishna Vasudevan has worked with prestigious organizations such as the Indian Institute of Technology Madras and Danfoss Power Electronics A/S. His experience in these institutions has allowed him to collaborate with leading experts in the field and contribute to groundbreaking research and development.

Collaborations

Some of his notable coworkers include Dinesh Kumar and Seshadri Gopalan. Their collaborative efforts have further advanced the innovations in power electronics and contributed to the success of various projects.

Conclusion

Krishna Vasudevan's contributions to the field of power electronics, particularly through his innovative patent, demonstrate his commitment to enhancing the efficiency and reliability of electronic systems. His work continues to influence the industry and pave the way for future advancements.