Zobrazeno 1 - 10
of 219
pro vyhledávání: '"Weijiang Chen"'
Publikováno v:
Plant, Soil and Environment, Vol 70, Iss 4, Pp 229-244 (2024)
The ecological and human health risks of heavy metal(loid)s (HMs) in soils around tungsten (W) mining sites have often disregarded the presence of W. In this study, we aimed to investigate the concentrations of 10 HMs (including W and other accompany
Externí odkaz:
https://doaj.org/article/bde299b53db141c8a487464b587b88b8
Autor:
Zexin Zhao, Weijiang Chen, Zhichang Yang, Guoliang Zhao, Bin Han, Yunfei Xu, Nianwen Xiang, Shulai Wang
Publikováno v:
CSEE Journal of Power and Energy Systems, Vol 10, Iss 1, Pp 235-247 (2024)
The modular multilevel matrix converter (M3C) is a potential frequency converter for low-frequency AC transmission. However, capacitor voltage control of high-voltage and large-capacity M3C is more difficult, especially for voltage balancing between
Externí odkaz:
https://doaj.org/article/a33dafb187864527a8127c17bdfeb19b
Autor:
Zihan Teng, Weijiang Chen, Jiangong Zhang, Baoquan Wan, Jun Zhao, Kejie Li, Zhenghai Liao, Zheyuan Gan
Publikováno v:
High Voltage, Vol 8, Iss 6, Pp 1253-1263 (2023)
Abstract The switching operation of gas insulated switchgear (GIS) disconnector will produce multiple random spark discharges between the gas gaps of the disconnector. Each spark discharge can be affected by various random factors, such as trapped ch
Externí odkaz:
https://doaj.org/article/f62ebd3681a046038bd80fa6ce99098f
Publikováno v:
IET Electric Power Applications, Vol 17, Iss 12, Pp 1562-1572 (2023)
Abstract Transformer winding turns often consist of multiple parallel strands. The spatial position variation of each strand affects the leakage inductance of each branch, resulting in an uneven distribution of short‐circuit currents within the win
Externí odkaz:
https://doaj.org/article/888f52bd768c48f48fdb80665d865938
Publikováno v:
IET Electric Power Applications, Vol 17, Iss 12, Pp 1573-1581 (2023)
Abstract Accurately calculating axial electromagnetic force is essential to analyse transformer winding axial stability. Prior research has mainly focused on the effect of winding structure on static axial electromagnetic force and studying vibration
Externí odkaz:
https://doaj.org/article/48bd5221887c42ac97cb27d44a944fbd
Publikováno v:
CSEE Journal of Power and Energy Systems, Vol 9, Iss 3, Pp 1227-1234 (2023)
Externí odkaz:
https://doaj.org/article/fedb457dca4f4462813cf3a2ef23c713
Publikováno v:
Energy Reports, Vol 8, Iss , Pp 1328-1335 (2022)
Hybrid DC circuit breakers (DCBs) have recently been used to break short-circuit fault currents to ensure safety in flexible DC transmission projects. However, electromagnetic transients from DCB operation can interfere with the secondary equipment a
Externí odkaz:
https://doaj.org/article/f21ebe746c0c43719f860a780f4b528f
Autor:
Shengxin Huang, Weijiang Chen, Zhong Fu, Yufei Fu, Nianwen Xiang, Xinjie Qiu, Weidong Shi, Dengfeng Cheng, Zhiyuan Zhang
Publikováno v:
Nature Communications, Vol 13, Iss 1, Pp 1-9 (2022)
The lightning's nature is that different-polarity leaders extend in air. Only negative leaders' development was previously associated to floating plasma. We found that the floating plasma could also lead the positive leader stepwise development.
Externí odkaz:
https://doaj.org/article/13a308a527c54858bec207bc4a5c4682
Autor:
Rui Qiu, Weijiang Chen, Wenjun Zhou, Ming Liu, Jianming Zou, Yu Zheng, Han Li, Shizhuo Hu, Jianhui Yu
Publikováno v:
High Voltage, Vol 7, Iss 1, Pp 41-51 (2022)
Abstract Considering the long length of gas‐insulated transmission lines (GILs), novel methods are required to alleviate the impacts of axial diffusion on decomposition products' monitoring. The diffusion process of two typical decomposition produc
Externí odkaz:
https://doaj.org/article/9424fff07c5a4fc39d05ec95fa6bacb8
Publikováno v:
IEEE Access, Vol 10, Pp 98140-98152 (2022)
The widely use of covered conductor increases the reliability of distribution network. However, a new problem of partial discharge caused by covered conductor at the position of tower head is generated at the same time. This kind of partial discharge
Externí odkaz:
https://doaj.org/article/c7e34abcbe0a4e959e1aac2182a32ac0