Zobrazeno 1 - 10
of 1 035
pro vyhledávání: '"Converter transformer"'
Publikováno v:
International Journal of Electrical Power & Energy Systems, Vol 160, Iss , Pp 110095- (2024)
In order to elucidate the sound source characteristics during the noise propagation process of converter transformers, a series of experimental studies were conducted based on finite element simulation and proportional prototype design of converter t
Externí odkaz:
https://doaj.org/article/d73f5d4afc684b7ba9905ec66749620b
Publikováno v:
Zhejiang dianli, Vol 43, Iss 3, Pp 8-18 (2024)
The fault characteristics of voltage source converter-based high voltage direct current （VSC-HVDC） transmission systems connected to offshore wind farms differ from those of conventional power systems. Consequently， there exists a potential ris
Externí odkaz:
https://doaj.org/article/adbd653879c24b7eaef29d52aab8fa4d
Publikováno v:
International Journal of Electrical Power & Energy Systems, Vol 159, Iss , Pp 110026- (2024)
As the second part of the investigation on vibration characteristics of ± 800 kV converter transformers, this part focuses on load conditions. A full-load thermal stability test is carried out on 12 YY and YD converter transformers in a converter st
Externí odkaz:
https://doaj.org/article/4e78b3859bf14bbcad914f3f966bf69c
Publikováno v:
International Journal of Electrical Power & Energy Systems, Vol 159, Iss , Pp 110060- (2024)
For lack of study on the vibration characteristics of converter transformers, this paper studied the vibration signal analysis method and investigated the vibration characteristics of converter transformers during the commissioning of a ±800 kV conv
Externí odkaz:
https://doaj.org/article/23157abaa6624f25b94099b09b05cd89
Publikováno v:
Zhejiang dianli, Vol 43, Iss 1, Pp 91-98 (2024)
In recent years， there have been several serious incidents involving explosions and fires in on-load tap changers （OLTCs） of converter transformers during the adjustment. To address this issue， a novel design solution for a split type OLTC is
Externí odkaz:
https://doaj.org/article/79d1ef13e49248cd858c861c5cf1de62
Autor:
Xiu Zhou, Tian Tian, Peng Wu, Yan Luo, Jin Bai, Ninghui He, Xiuguang Li, Dezhi Chen, Haonan Bai
Publikováno v:
Energy Reports, Vol 9, Iss , Pp 449-457 (2023)
The converter transformer is an electrical equipment with a symmetrical structure. Due to its symmetry, the ground current should be small when the core is grounded at one point. The research and analysis of grounding currents in the converter transf
Externí odkaz:
https://doaj.org/article/90f48a1ce1454c2c8e7d36b7e6169837
Publikováno v:
Energy Reports, Vol 9, Iss , Pp 290-298 (2023)
The converter transformer is one of the core equipment in the high-voltage DC (HVDC) transmission project. The capacity of the converter transformer is much larger than that of an ordinary AC transformer, and its main function is to convert the AC sy
Externí odkaz:
https://doaj.org/article/ff315a0f358c4c0c8047ff02b990f2fc
Autor:
Jayesh Kothavade, Prasanta Kundu
Publikováno v:
U.Porto Journal of Engineering, Vol 9, Iss 3, Pp 158-180 (2023)
In High Voltage Direct Current Transmission (HVDC) system, converter transformer (CT) is an essential part of the system. Losses that occur in the CT are copper loss, stray loss, and core loss. The stray loss occurs in the transformer's metallic part
Externí odkaz:
https://doaj.org/article/80e8efd0cd8147e7a07bc1dbabf86ff5
Publikováno v:
Sensors, Vol 24, Iss 10, p 3126 (2024)
The electrical protection of power networks with fault contribution from inverter-based power sources imposes new application challenges that have to be dealt with by protection engineers. This paper describes the development of a study case model of
Externí odkaz:
https://doaj.org/article/72558fb0b478450da4452f34e0eddedc
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