Qingqing Xu

Title: **Innovative Contributions of Qingqing Xu in Photovoltaic Technology**

Introduction

Qingqing Xu, a noted inventor based in Anhui, China, has made significant strides in the field of photovoltaic technology. With a total of two patents to his name, Xu is renowned for innovating solutions that enhance the efficiency and safety of photovoltaic equipment.

Latest Patents

Qingqing Xu's latest inventions include a **Wiring Device of Photovoltaic Equipment** and a **Safety Detection Device and Method of Grid-Connected Inverter**.

The wiring device is designed to utilize an aluminum wire complemented by a copper-aluminum transition element. This innovation enables one end of the aluminum wire to connect with the aluminum side of the transition piece, while the other end links to an external component. The transition piece, distinguished by its copper end, facilitates connection with photovoltaic power generation equipment. This design minimizes the need for costly copper wire in long-distance applications, significantly reducing the overall cost of wiring devices in photovoltaic systems.

The safety detection device incorporates a voltage detection circuit, filter circuit, comparison circuit, and a controller. It operates within a photovoltaic inverter system to ensure safety by detecting voltage levels and comparing them with preset values. Through this mechanism, it verifies insulation integrity at the output terminal of the inverter, providing essential safety measures for grid-connected inverter systems.

Career Highlights

Qingqing Xu is currently affiliated with **Sungrow Power Supply Co., Ltd.**, where he applies his expertise in the realm of photovoltaic technologies. His work in the company focuses on developing advanced solutions that contribute to more efficient solar energy utilization.

Collaborations

Throughout his career, Xu has worked alongside talented colleagues such as Houlai Geng and Jun Xing. Their collaborative efforts have driven innovation and bolstered the advancement of photovoltaic solutions in the industry.

Conclusion

Qingqing Xu exemplifies the impact of innovation in the renewable energy sector. His contributions through groundbreaking patents help pave the way for more efficient and safer photovoltaic systems. As technology continues to evolve, inventors like Xu play a crucial role in shaping the future of energy production.