Stephan Engelhardt

Title: Innovations and Contributions of Inventor Stephan Engelhardt

Introduction

Stephan Engelhardt, a notable inventor from Sonsbeck, Germany, has made significant contributions to the field of electrical engineering and power systems. With a total of nine patents to his name, Engelhardt’s work focuses on advanced technologies related to three-phase power inverters and electrical power delivery systems.

Latest Patents

One of Engelhardt's latest patents is a method for phase-separated overcurrent protection of a three-phase bridge circuit. This method involves operating a three-phase inverter that is equipped with a direct voltage intermediate circuit, at least one three-phase bridge circuit, and a control unit designed for managing the bridge circuit. The innovation features at least two power switches connected in series parallel to the direct voltage intermediate circuit, which allows for precise control of the three-phase alternating voltage delivered to the load, achieving excellent dynamic control behavior while using cost-effective IGBT power switches.

Another significant patent addresses high accuracy mains filter monitoring for multi-phase power systems. This invention provides an apparatus for delivering electrical power, with a focus on regenerative sources. It incorporates a converter and a filter tailored to match the power delivery to the load impedance. The method facilitates enhanced monitoring of filter performance by employing devices to determine filter current during operation, generating error information signals that ensure optimal functioning of the system.

Career Highlights

Engelhardt has worked with various reputable companies throughout his career. Two notable organizations include Woodward Kempen GmbH and Woodward Seg GmbH & Co. KG, where he contributed his expertise in engineering and innovation. His work within these companies has greatly influenced advancements in the realm of electrical systems.

Collaborations

Engelhardt has collaborated with distinguished colleagues, such as Andrzej Geniusz and Joerg Kretschmann. These partnerships have further enhanced his ability to innovate and bring forth solutions that address complex challenges in power engineering.

Conclusion

Stephan Engelhardt’s impressive portfolio of patents reflects his commitment to advancing electrical engineering and innovative power solutions. His contributions continue to impact the industry, providing valuable insights and technologies that enhance the efficiency and reliability of power systems. With a foundation built on collaboration and a passion for innovation, Engelhardt is a prominent figure within the field.