Zobrazeno 1 - 10
of 1 580
pro vyhledávání: '"Lightning impulse"'
Publikováno v:
CSEE Journal of Power and Energy Systems, Vol PP, Iss 99, Pp 1-9 (2024)
The study of the lightning impulse breakdown (LIB) characteristics in three-element mixed insulation oil (TEMO) is crucial for the design of high-voltage large-scale transformers utilizing TEMO. Consequently, the LIB of TEMO under long oil gaps and n
Externí odkaz:
https://doaj.org/article/1e8420fa31e14ebf81bd5ffcbc5ebf8a
Autor:
Jin-Tae Kim, Yun-Su Kim
Publikováno v:
IEEE Access, Vol 12, Pp 120429-120439 (2024)
Barrier, solid insulator, is inserted between conductors to make compact power equipment. Prediction of the dielectric strength is significant owing to nonlinear effect of barrier. In this paper, positive lightning impulse breakdown voltages are pred
Externí odkaz:
https://doaj.org/article/ac2c3ef4e6cd44c6a373129bd87d5eaf
Autor:
Dhanashree Ashok Ganeshpure, Thiago Batista Soeiro, Mohamad Ghaffarian Niasar, Nitish Milind Kulkarni, Pavol Bauer, Peter Vaessen
Publikováno v:
IEEE Open Journal of the Industrial Electronics Society, Vol 5, Pp 170-184 (2024)
This article proposes a new configuration of a modular multilevel converter (MMC) and a Marx generator to generate fast-rising impulse waveforms. This new configuration improves the capabilities of the MMC-based high voltage arbitrary wave shape gene
Externí odkaz:
https://doaj.org/article/0b5f830832d647a7bdda8b985eb22497
Publikováno v:
IEEE Access, Vol 12, Pp 37974-37982 (2024)
Silicone Rubber (SiR) is widely used for high voltage cable accessories fabrication for AC and DC power system network as it stands for extensive range of voltage and temperature used. In addition, it also deals with excellent electrical and mechanic
Externí odkaz:
https://doaj.org/article/aff9d6b4c70f4d979f1c93a86ae35fcc
Autor:
Sabrina Krügel, Ronald Plath
Publikováno v:
Energies, Vol 17, Iss 19, p 4946 (2024)
This study examines and compares the breakdown and aging properties of five insulating liquids. Additionally, the influence of different voltage polarities on these properties was analyzed to investigate the effect of aging on polarity behavior under
Externí odkaz:
https://doaj.org/article/1c5c4fdaf3794411b1d47e70be9fa41a
Autor:
Ling Jiang, Shengfu Wang, Jun Kang, Xiaoku Yang, Xiuyuan Yao, Yitao Zhang, Zhenghong Bao, Yongsheng Zhang
Publikováno v:
Frontiers in Energy Research, Vol 11 (2023)
The Qinghai-Henan ±800kV UHV DC power transmission project is an UHV channel specially constructed for clean energy delivery, ±800kV converter transformers of the project are assembled and tested in Xining at an altitude of 2500 m, full-wave lightn
Externí odkaz:
https://doaj.org/article/6451a3c719de4476baaa8804f634e742
Autor:
H. R. Mirzaei
Publikováno v:
Journal of Operation and Automation in Power Engineering, Vol 10, Iss 3, Pp 206-213 (2022)
The Lightning Impulse (LI) test is performed on newly manufactured power transformers as a routine Factory Acceptance Test (FAT). A well-known Marx Impulse Generator (MIG) is utilized in this test. The setting of the MIG can be changed to obtain stan
Externí odkaz:
https://doaj.org/article/5e380e73252844c1894cd5f61cb6a98c
Publikováno v:
Energy Reports, Vol 8, Iss , Pp 1230-1236 (2022)
Long air gaps are the main external insulation medium of overhead transmission lines. When there are floating conductors in the air gap, the gap’s configuration changes, and the combined air gaps is formed. We built an experimental platform to obta
Externí odkaz:
https://doaj.org/article/671d572d95c64993b6af4b9c5fc406fb
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