Wangjie Xie

Title: Wangjie Xie: Power Conditioning and Grid Protection

Introduction

Wangjie Xie is an inventor based in Shanghai, China, and works at Huawei Digital Power Technologies Co., Ltd. His patent work includes a power supply system designed to detect a possible transformer neutral-wire grounding issue and respond with an alarm or by stopping the power conditioning apparatus.

Latest Patents

The supplied information lists 1 patent for Wangjie Xie: “Power Supply System, Power Conditioning Apparatus, and Power Conditioning System.” The invention describes a system comprising a power conditioning apparatus, a transformer, and a controller. The apparatus includes an inverter circuit, at least one grid-connected switch, and a voltage-to-ground detector.

When a grid-connected switch changes state, the detector measures the apparatus’s voltage to ground before and after the change. If the difference between those measurements falls within a preset voltage range, the controller outputs an alarm concerning grounding of the transformer’s neutral wire or directs the power conditioning apparatus to stop operating.

Career Highlights

Xie’s listed patent focuses on monitoring electrical conditions in a power conditioning system and providing a protective response. The supplied information identifies Huawei Digital Power Technologies Co., Ltd. as his company.

Collaborations

The supplied information names Yong Xu and Junsong Tang as Xie’s coworkers. It does not specify their roles in the patent or describe particular collaborations.

Conclusion

Wangjie Xie’s listed invention addresses voltage-to-ground monitoring and protective control in power conditioning systems, with the aim of detecting a potential transformer grounding issue and prompting an appropriate response.