Company Filing History:
Years Active: 2019
Title: Innovations of Zhao Fu Zhou in Power Supply Technology
Introduction
Zhao Fu Zhou is a notable inventor based in Guangdong, China. He has made significant contributions to the field of power supply technology, holding 2 patents that showcase his innovative approach to electrical engineering.
Latest Patents
Zhao Fu Zhou's latest patents include an LLC resonant converter and a method for suppressing ripples in output voltage thereof. This invention discloses an LLC resonant converter that comprises a half-bridge or full-bridge chopper with a driving circuit, an inductance-capacitance series resonant network, an isolation transformer, and a rectification and filtering circuit. The design also features a feedforward controller that generates a feedforward signal based on input voltage, along with a controlled oscillator that adjusts the operating frequency of the chopper. This innovative approach effectively reduces ripples in the DC output voltage of the LLC resonant converter.
Another significant patent involves power supplies that utilize feedforward control with pulse modulation and demodulation. This invention describes isolated AC-DC power supplies that include a PFC converter, a DC-DC converter, and a controller for managing the switching operation of the DC-DC converter. The pulse modulator and demodulator work together to adjust the switching operation based on voltage ripple, enhancing the efficiency and stability of power supplies.
Career Highlights
Zhao Fu Zhou is currently employed at Astec International Limited, where he continues to develop innovative solutions in power supply technology. His work has garnered attention for its practical applications and contributions to the industry.
Collaborations
Zhao has collaborated with notable colleagues such as Shi Jie Deng and Qing Wen Liu, further enhancing the innovative environment at Astec International Limited.
Conclusion
Zhao Fu Zhou's contributions to power supply technology through his patents reflect his expertise and commitment to innovation. His work not only advances the field but also provides practical solutions for modern electrical engineering challenges.