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For the Inventor, By the Inventor

Weiher, Germany

Manfred Weibelzahl

USPTO Granted Patents = 10

Average Co-Inventor Count = 2.6

ph-index = 6

Forward Citations = 77(Granted Patents)


Location History:

  • Erlangen, DE (1976)
  • Weiher, near Erlangen, DE (1980)
  • Weiher, DE (1977 - 1982)
  • Uttenreuth, DE (1987)
  • Uttenreuth-Weiher, DE (1989)

Company Filing History:

goldMedal10 out of 30,040 
 
Siemens Aktiengesellschaft
 patents

Years Active: 1976-1989

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10 patents (USPTO):Explore Patents
1. 4888674 - Method and apparatus for decoupling the active and reactive power (1989-12-19),
2. 4837671 - State signal formation for indicating the transition into the bypass (1989-06-06),
3. 4685044 - Method and apparatus for suppressing resonance phenomena in the A-C (1987-08-04),
4. 4326230 - Circuit for monitoring the voltage stress of a capacitor (1982-04-20),
5. 4322766 - Monitoring device for the capacitor battery of a d-c filter circuit (1982-03-30),
6. 4309749 - Circuit having improved firing angle symmetry for ignition pulses in the (1982-01-05),
7. 4205368 - Method for the transmission of DC current between at least one rectifier (1980-05-27),
8. 4074348 - Circuit arrangement with a number of cycloconverters, particularly (1978-02-14),
9. 4008428 - Circuit arrangement with a number of frequency converters, particularly (1977-02-15),
10. 3942091 - Method and apparatus for operating a converter fed rotating field machine (1976-03-02),

Title: The Innovations of Manfred Weibelzahl

Introduction

Manfred Weibelzahl is a notable inventor based in Weiher, Germany. He has made significant contributions to the field of electrical engineering, particularly in high-voltage direct current (HVDC) transmission systems. With a total of 10 patents to his name, Weibelzahl's work has had a profound impact on the efficiency and reliability of power transmission.

Latest Patents

Weibelzahl's latest patents include a method and apparatus for decoupling active and reactive power in high-voltage DC transmission systems. This innovative system operates with one converter functioning as a rectifier and the other as an inverter. The first cascade control sets the rectifier control angle and incorporates a superimposed active power controller along with a subordinated DC controller. The second cascade control, which sets the inverter control angle, features a superimposed voltage/active power controller and a quenching angle control. The design allows for effective decoupling of the cascade controls, ensuring optimal performance across varying operating points. Another significant patent involves the formation of a state signal to indicate a transition to bypass mode in converter transformers, enhancing operational reliability.

Career Highlights

Weibelzahl is currently employed at Siemens Aktiengesellschaft, a leading global technology company. His work at Siemens has allowed him to push the boundaries of innovation in electrical engineering. His patents reflect a deep understanding of complex systems and a commitment to advancing technology in power transmission.

Collaborations

Throughout his career, Weibelzahl has collaborated with esteemed colleagues such as Hermann Waldmann and Georg Wild. These partnerships have fostered an environment of innovation and have contributed to the successful development of his patented technologies.

Conclusion

Manfred Weibelzahl's contributions to the field of electrical engineering are noteworthy and impactful. His innovative patents in high-voltage DC transmission systems demonstrate his expertise and commitment to advancing technology. His work continues to influence the industry and pave the way for future innovations.

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