Group 1 - The core viewpoint of the news is that Kewell Technology Co., Ltd. has applied for a patent for a control method and circuit for a DC power MMC high-voltage cascade circuit, indicating innovation in the field of power supply equipment [1] - The patent application was filed on February 2025, with the publication number CN120150505A, showcasing the company's ongoing efforts in research and development [1] - The patent describes a control strategy that includes total voltage and current outer loops, as well as current inner loops, for both main and subordinate units, which enhances the performance of DC power supplies [1] Group 2 - Kewell Technology Co., Ltd. was established in 2011 and is located in Hefei City, primarily engaged in the manufacturing of specialized equipment [2] - The company has a registered capital of approximately 83.8 million RMB and has made investments in four other enterprises [2] - Kewell has participated in 310 bidding projects and holds 538 patents, along with 31 trademark registrations and 12 administrative licenses, indicating a strong presence in its industry [2]
科威尔申请直流电源MMC高压级联电路控制相关专利,实现MMC级联电路中多模块间的均压控制和模块内多交错支路间的均流控制