HL

Huanzhang Liu

SC State Grid Corporation Of China: 5 patents #12 of 1,453Top 1%
CI China Electric Power Research Institute: 4 patents #4 of 271Top 2%
Overall (All Time): #928,403 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
11973340 Direct-current transmission line protection method and system based on pure current characteristics Zexin Zhou, Pengfei Lv, Hong-Xi Cao, Xingguo Wang, Siye Ruan +4 more 2024-04-30
11742652 Method and device for starting direct-current (DC) transmission line protection, and storage medium Hong-Xi Cao, Zexin Zhou, Dingxiang Du, Xingguo Wang 2023-08-29
10985547 Current differential protection method for self-adaptive half-wavelength line based on time-difference method Xuming Liang, Yarong Guo, Xiao Li, Zexin Zhou, Dingxiang Du +4 more 2021-04-20
10778003 Method of free wave energy protection for half-wavelength line based on one sided current Zexin Zhou, Dingxiang Du, Yarong Guo, Xiao Li, Xuming Liang +2 more 2020-09-15
10605852 Concomitant impedance protection method for half-wavelength transmission line Dingxiang Du, Zexin Zhou, Xuming Liang, Yarong Guo, Xingguo Wang +4 more 2020-03-31