Tools and Machinery
| Tue 12 May 2026
Beijing, May 12 -- Yunnan Power Grid, Electric Power Research Institute has applied Chinese patent for Control Method and Equipment of On-load Tap-changer Oil Filtering Device and Storage Medium. Zhao Yanlin, Hong Zhihu, Sun Haoruo, Li Gang, Xiong Chao, Wu Lin, Kang Yong, Chen Nan, Zhao Bin and Zhu Jialiang developed it.
The ..