Keqin Liu

Title: Keqin Liu: Innovator in Photovoltaic Technology

Introduction

Keqin Liu is a prominent inventor based in Guangdong, China, known for his significant contributions to the field of photovoltaic technology. With a total of eight patents to his name, Liu has made remarkable advancements that enhance the efficiency and functionality of electric appliances.

Latest Patents

Among his latest patents, Liu has developed a photovoltaic electric appliance and a charging control method, device, and circuit. This invention includes a charging control circuit that features a double-relay circuit positioned between the grid side and machine side circuits of the photovoltaic electric appliance. Additionally, the charging relay circuit is designed to enable gradual charging of a bus capacitor when the double-relay circuit is inactive. Another notable patent is a power conversion method, apparatus, and device, which addresses the limitations of existing power conversion apparatuses. This invention includes a configurable input interface and a configurable output interface, allowing for improved general applicability in power conversion.

Career Highlights

Keqin Liu is currently employed at Gree Electric Appliances, Inc. of Zhuhai, where he continues to innovate and develop new technologies. His work at Gree has positioned him as a key player in the advancement of electric appliances, particularly in the realm of renewable energy solutions.

Collaborations

Liu collaborates with talented coworkers, including Jing Wang and Shiyong Jiang, who contribute to his projects and innovations. Their teamwork fosters a creative environment that enhances the development of cutting-edge technologies.

Conclusion

Keqin Liu's contributions to photovoltaic technology and electric appliances demonstrate his commitment to innovation and sustainability. His patents reflect a deep understanding of power conversion and charging methods, positioning him as a leading inventor in his field.