Liviu Mihalache

Title: Innovations of Liviu Mihalache

Introduction

Liviu Mihalache is a notable inventor based in Valencia, PA (US). He has made significant contributions to the field of engineering, particularly in the development of advanced drive systems and control methods. With a total of 8 patents to his name, Mihalache continues to push the boundaries of innovation.

Latest Patents

One of his latest patents is the "Regenerative multicell drive system with overlap angle in fundamental frequency modulation." This regenerative drive system comprises multiple power cells that receive power from a source and supply it to one or more output phases. Each power cell operates in various modes and includes multiple switching devices, including active front-end switching devices. A central control system manages the operation of these power cells, allowing for variable conduction angles in different modes.

Another significant patent is the "Pulse width modulation control for a multilevel converter." This method involves controlling multiple switching devices of a multilevel converter by providing a plurality of carrier signals and a reference signal. The reference signal is divided into contiguous bands, and the carrier signals are dynamically allocated to the switching devices. This innovative approach generates pulse width modulation signals that facilitate efficient switching events.

Career Highlights

Mihalache has worked with prominent companies such as Siemens Aktiengesellschaft and Siemens Corporation. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking projects in the field of electrical engineering.

Collaborations

Throughout his career, Mihalache has collaborated with talented individuals, including Mukul Rastogi and Abdelnassir Abdalla. These collaborations have fostered an environment of innovation and creativity, leading to the development of advanced technologies.

Conclusion

Liviu Mihalache's contributions to engineering and technology are noteworthy, with his innovative patents paving the way for advancements in drive systems and control methods. His work exemplifies the spirit of innovation and the impact of collaboration in the field.