Hans-Hermann Zander

Title: **Innovator Hans-Hermann Zander: Pioneering Electrical Circuitry at Siemens**

Introduction

Hans-Hermann Zander is an accomplished inventor based in Erlangen, Germany, recognized for his contributions to electrical engineering. With a remarkable portfolio of six patents, Zander has made significant advancements in circuitry and converter technology, showcasing his expertise and innovative spirit in the field.

Latest Patents

Among Zander's latest patents is a groundbreaking circuitry and method of operation for an intermediate-like converter. This invention centers on two controlled antiparallel-connected converters linked through an intermediate link with an impressed voltage feeding into an inverter configured with multiple addressable switches in a three-phase bridge circuit. The system intelligently monitors the polarity of the intermediate-link current and adjusts the converters accordingly, allowing for efficient energy feedback from connected loads to the supply network.

Another notable patent includes a system for generating a speed-proportional voltage. This invention involves producing a speed-proportional signal derived from two transmitter voltages generated by an incremental position actuator, which are phase-shifted at 90 degrees. By employing an adder and a subtractor to create sum and difference signals, this invention accurately produces a controllable speed-proportional voltage, reflecting the rotational direction of the position transmitter.

Career Highlights

Hans-Hermann Zander has pursued his innovative endeavors at Siemens Aktiengesellschaft, a leading global technology company. His work at Siemens has been pivotal in enhancing the efficiency of electrical systems. Zander's patents not only pave the way for innovations in circuitry but also assert his role as a key contributor to the field of electrical engineering.

Collaborations

Throughout his career, Zander has collaborated with accomplished colleagues, including Hans-Peter Schneider and Gunter Schwesig. These partnerships reflect a shared commitment to innovation and the pursuit of cutting-edge technology within their projects, fostering a creative environment that pushes the boundaries of electrical engineering.

Conclusion

Hans-Hermann Zander's contributions to the field of electrical engineering, evidenced by his six patents, demonstrate his innovative drive and technical expertise. His latest inventions at Siemens Aktiengesellschaft underscore the importance of advanced circuitry and efficiency in modern applications. As Zander continues to push forward in his career, his work will undoubtedly inspire future advancements in technology and engineering.