Chao Zhan

Title: Chao Zhan: Innovator in Analog Quantity Acquisition

Introduction

Chao Zhan is a notable inventor based in Fujian, China. He has made significant contributions to the field of analog quantity acquisition, showcasing his expertise through his innovative patent.

Latest Patents

Chao Zhan holds a patent for an "Analog quantity acquisition method and apparatus." This invention discloses a method that utilizes an acquisition circuit with a zero flux current transformer to acquire current signals. The circuit includes a compensating winding that generates a reverse excitation potential to counteract excitation currents, thereby eliminating the impacts of ratio and phase angle errors on measurement accuracy. Additionally, a multi-segment amplification circuit is employed to perform segmented amplification on different ranges of the current signal, achieving full-range current acquisition through various amplification circuits. An analog-to-digital converter chip is then used to convert the amplified current signal into a digital signal.

Career Highlights

Throughout his career, Chao Zhan has worked with prominent companies such as State Grid Info-Telecom Great Power Science and Technology Co., Ltd. and State Grid Information & Telecommunications Group Co. Ltd. His work in these organizations has furthered advancements in telecommunications and electrical engineering.

Collaborations

Chao Zhan has collaborated with notable professionals in his field, including Yonggui Wang and Shuying Cheng. These collaborations have contributed to the development and refinement of his innovative technologies.

Conclusion

Chao Zhan's contributions to analog quantity acquisition highlight his role as an influential inventor in the field. His innovative methods and apparatus continue to impact the industry positively.