Ulrich Halfmann

Title: Ulrich Halfmann: Innovator in Power Supply Technologies

Introduction

Ulrich Halfmann is a notable inventor based in Bräuningshof, Germany. He has made significant contributions to the field of electrical engineering, particularly in power supply systems. With a total of 5 patents to his name, Halfmann's work focuses on enhancing the efficiency and functionality of power supply connections.

Latest Patents

Halfmann's latest patents include a "Device for connecting a single-phase supply line to a three-phase power supply system." This innovative device facilitates the connection of a single-phase power supply line, especially for overhead railroad lines, to a three-phase power supply network. The design incorporates a transformer with a primary side connected to the power supply network and a secondary side linked to the single-phase line and ground connection. Additionally, a symmetry device is integrated to ensure balanced operation.

Another significant patent is the "Static converter and method for starting up the converter." This static converter features a power converter circuit with multiple interconnected module branches. Each branch consists of electrically series-connected two-pole submodules that act as switchable voltage sources. These submodules include capacitors for energy storage and power semiconductors as electronic switching elements. The invention also includes a device for precharging the capacitors, ensuring that the converter can achieve the necessary voltage levels for effective operation.

Career Highlights

Ulrich Halfmann is currently employed at Siemens Aktiengesellschaft, a leading global technology company. His role involves developing advanced electrical solutions that contribute to the efficiency of power systems. His expertise in power supply technologies has positioned him as a key player in the industry.

Collaborations

Halfmann has collaborated with notable colleagues, including Rainer Gruber and Wolfgang Recker. These partnerships have fostered innovation and the development of cutting-edge technologies in the field of electrical engineering.

Conclusion

Ulrich Halfmann's contributions to power supply technologies through his patents and work at Siemens Aktiengesellschaft highlight his role as an influential inventor in the electrical engineering sector. His innovative solutions continue to shape the future of power systems.