Zobrazeno 1 - 10
of 563
pro vyhledávání: '"Chengrong, Li"'
Publikováno v:
CSEE Journal of Power and Energy Systems, Vol 10, Iss 3, Pp 1291-1300 (2024)
Pressure monitoring of a transformer oil tank can grasp the pressure change process caused by gas production when severe internal defects occur and take timely measures to ensure the safe operation of the transformer. Existing pressure sensors genera
Externí odkaz:
https://doaj.org/article/c4e1128f56934a1d961011f1bd348280
Publikováno v:
CSEE Journal of Power and Energy Systems, Vol 10, Iss 2, Pp 727-735 (2024)
A recurring challenge of a DC SF6/N2-filled GIS/GIL apparatus is the charge accumulation at DC stress. The conventional design rules and knowledge of AC spacers may not be applicable for this new type of apparatus. A novel design rule is proposed con
Externí odkaz:
https://doaj.org/article/2febab1dd87f4ede83a196920b390fb6
Publikováno v:
High Voltage, Vol 7, Iss 6, Pp 1141-1152 (2022)
Abstract The current continuity equation is usually applied to solve DC electric field distribution when there is inhomogeneous material conductivity due to temperature gradient or multi‐layer dielectrics. However, in the presence of charge accumul
Externí odkaz:
https://doaj.org/article/048a7fbbf18140e5a7d578d090bf84cb
Publikováno v:
High Voltage, Vol 6, Iss 4, Pp 647-654 (2021)
Abstract The moisture content has a great influence on the electric insulation strength of oil‐pressboard. Therefore, it is very important to assess the moisture content in power transformers. There is lack of research about the effect of DC electr
Externí odkaz:
https://doaj.org/article/8b7e90c97619433f83ee590d55a47808
Autor:
Weiwei Wang, Huimin Gao, Chengrong Li, Yingchun Deng, Daying Zhou, Yaqi Li, Wenyu Zhou, Bo Luo, Haiying Liang, Wenqin Liu, Pan Wu, Wang Jing, Jiang Feng
Publikováno v:
Ecology and Evolution, Vol 12, Iss 6, Pp n/a-n/a (2022)
Abstract The expansion of anthropogenic noise poses an emerging threat to the survival and reproductive success of various organisms. Previous investigations have focused on the detrimental effects of anthropogenic noise on the foraging behavior in s
Externí odkaz:
https://doaj.org/article/09343f02abfe42a482b07f4858a51e4f
Publikováno v:
High Voltage, Vol 6, Iss 1, Pp 42-50 (2021)
Abtsract Oil–paper composite insulation (OPCI) is used as the main insulation material in the converter transformer. However, the dielectric properties of insulating oil and oil‐impregnated paper are markedly mismatched under direct current (DC)
Externí odkaz:
https://doaj.org/article/e74535e5bfbd45329dce6649c07c398d
Publikováno v:
IEEE Access, Vol 9, Pp 134753-134761 (2021)
Frequency domain reflectometry (FDR) technologies could be applied to locate defects in cables effectively. Owing to the large space span and complex operating environment of the actual XLPE distribution cables, segmented thermal aging phenomenon occ
Externí odkaz:
https://doaj.org/article/10cc79cf7bd043fcbc07be31b12b4784
Publikováno v:
IEEE Access, Vol 9, Pp 156962-156972 (2021)
The condition of the transformer can be accurately assessed based on dissolved gas online monitoring and analysis technology. With the widespread use of Dissolved Gas Analysis (DGA) technology, a large amount of dissolved gas time series data is obta
Externí odkaz:
https://doaj.org/article/16e032e3498142589af0e1bde762e5de
Publikováno v:
CSEE Journal of Power and Energy Systems, Vol 6, Iss 3, Pp 496-517 (2020)
Externí odkaz:
https://doaj.org/article/21522d0acf6a43e0becf5e9e18a6b96f
Autor:
Guoming Ma, Hongyang Zhou, Yuan Wang, Hanchi Zhang, Shijie Lu, Youping Tu, Jian Wang, Chengrong Li
Publikováno v:
CSEE Journal of Power and Energy Systems, Vol 6, Iss 2, Pp 427-433 (2020)
Externí odkaz:
https://doaj.org/article/e9234aba1fec4f058ef98d2c49331f27