Zobrazeno 1 - 10
of 105
pro vyhledávání: '"Xuzhu DONG"'
Publikováno v:
High Voltage, Vol 9, Iss 1, Pp 195-205 (2024)
Abstract In this article, the dynamic thermal rating assessment method of oil‐immersed power transformer with multiple operating conditions is proposed, considering the constraints of hot spot temperature (HST), top oil temperature, losses of life
Externí odkaz:
https://doaj.org/article/f079df12730149a2a13106dd36214abd
Publikováno v:
CSEE Journal of Power and Energy Systems, Vol PP, Iss 99, Pp 1-13 (2024)
Grid frequency dynamic is dominant by synchronous generators (SGs), but it is more and more obviously affected the voltage-source-converter-based (VSC-based) devices. This paper presents a modelling method of the real equivalent inertia of the VSynC-
Externí odkaz:
https://doaj.org/article/5d8a913f24984ff8b62403fc9f2ec3ea
Autor:
Changzhi Peng, Zhijun Li, Xuekai Pei, Xiangen Zhao, Gaopeng Lu, Feifan Liu, Yongping Wang, Baoyou Zhu, Yu Zheng, Xuzhu Dong
Publikováno v:
Geophysical Research Letters, Vol 51, Iss 11, Pp n/a-n/a (2024)
Abstract Positive leaders branch less frequently than negative counterpart, and the physical processes and properties of positive leader branching remain a mystery. We investigated 10 m laboratory discharges under four positive voltages using a high
Externí odkaz:
https://doaj.org/article/20a855a6538c46c89c5a866659154986
Publikováno v:
High Voltage, Vol 8, Iss 6, Pp 1151-1160 (2023)
Abstract The physical mechanism of leader formation and development is not well understood. In this study, we present experimental and simulation results obtained with a 10 m long air gap discharge. A 10 m outdoor discharge experiment is carried out
Externí odkaz:
https://doaj.org/article/f86db799bf7240bf9a38622813b48ef4
Publikováno v:
CSEE Journal of Power and Energy Systems, Vol 9, Iss 6, Pp 2179-2187 (2023)
Externí odkaz:
https://doaj.org/article/c3348db7d48d4ea982a23c3165e7231b
Publikováno v:
Frontiers in Energy Research, Vol 12 (2024)
Introduction: The reliability of power equipment is the foundation for maintaining the reliability of the power grid. As a core device for limiting overvoltage in the power grid, lightning arresters have received widespread attention, and ensuring th
Externí odkaz:
https://doaj.org/article/7eab087a3c184f08991c58d6d57f3b38
Publikováno v:
IET Electric Power Applications, Vol 17, Iss 1, Pp 134-148 (2023)
Abstract Transformer overheating faults have an important impact on the transformer safe and stable operation. Taking 10 kV oil‐immersed transformer as the research object, using the indirect coupling analysis method of electromagnetic thermal flui
Externí odkaz:
https://doaj.org/article/714421d834804250b15b6339cfaa38bd
Publikováno v:
High Voltage, Vol 7, Iss 6, Pp 1080-1090 (2022)
Abstract Predicting the insulation performance of SF6 substitute gases through gas molecular structures has been a popular topic worldwide. The difficulty is that the relationships between the molecular structure and the gas insulation strength, glob
Externí odkaz:
https://doaj.org/article/848de4d471d940988b663ce6b3500bb7
Autor:
Peidong Xu, Jiajun Duan, Jun Zhang, Yangzhou Pei, Di Shi, Zhiwei Wang, Xuzhu Dong, Yuanzhang Sun
Publikováno v:
CSEE Journal of Power and Energy Systems, Vol 8, Iss 4, Pp 1122-1133 (2022)
Externí odkaz:
https://doaj.org/article/d962367eb10f454186fa357bc3e5d907
Autor:
Siyuan Chen, Jiajun Duan, Yuyang Bai, Jun Zhang, Di Shi, Zhiwei Wang, Xuzhu Dong, Yuanzhang Sun
Publikováno v:
CSEE Journal of Power and Energy Systems, Vol 8, Iss 4, Pp 1134-1144 (2022)
Externí odkaz:
https://doaj.org/article/e365ca1d64f544a1ba4ac65a26d7238b