This inventor holds 114 USPTO granted patents and 64 published patent applications and 9 EPO patents, primarily in Photovoltaic Inverters (CPC class H02M7-487). Top assignees: Alpha Omega Semiconductor Inc., Huawei Digital Power Technologies Co., Ltd., Huawei Technologies Co., Limited. Active years: 2009-2026.
Inventors with similar research interests:
Location History:
- Shangai, CN (2011)
- Songjiang Export Process Zone, CN (2011)
- Songjiang, CN (2013 - 2015)
- Chengdu, CN (2015 - 2017)
- Xi'an, CN (2018)
- Nanjing, CN (2013 - 2021)
- Dongguan, CN (2022)
- Shanghai, CN (2009 - 2024)
Company Filing History:
31 out of 753 
24 out of 429 
16 out of 27,557 
Years Active: 2009-2026
Areas of Expertise:
Meet Lei Shi, an innovator and inventor based in Shanghai, China. With an impressive number of 100 patents to his name, Lei Shi is a noteworthy contributor in the field of electrical engineering and power generation systems.
One of his latest inventions is a fault detection apparatus and method, as well as a grid-tied photovoltaic power generation system. This apparatus includes various components such as a temperature detection unit, a current detection unit, a controller, and a breaking unit. The temperature detection unit monitors the temperatures of multiple filter capacitors and relays the information to the controller. Similarly, the current detection unit measures the currents of these capacitors and sends the data to the controller. Based on the received information, the controller can disconnect the breaking unit if the temperature and current exceed certain thresholds. This invention contributes to the safety and efficiency of photovoltaic power generation systems.
Lei Shi has also made advancements in the field of multi-level inverter clamping modulation. This method and apparatus involve controlling the switching elements of an inverter when the output voltage crosses zero. The inverter bridge arm of the active clamp multi-level inverter comprises internal tubes, external tubes, and clamping tubes. These elements allow for efficient and precise control of the inverter's operations. By utilizing both low-frequency and high-frequency switching elements, Lei Shi's invention enhances the performance and effectiveness of inverters.
Throughout his career, Lei Shi has worked with prominent companies in the tech industry. Some of these companies include Taiwan Semiconductor Manufacturing Company Limited and TSMC China Company Limited. Collaborating with skilled professionals like Jun Lu and Yan Xun Xue, Lei Shi has undoubtedly been a valued member of research and development teams.
Lei Shi's dedication and expertise in electrical engineering and power generation systems have resulted in numerous patents and inventions. His contributions play a vital role in advancing technology and shaping the future of innovative solutions.