Electromagneto-mechanical numerical analysis and experiment of transformer influenced by DC bias considering core magnetostriction
X Liu, J Wu, F Jiang, Y Wang, C Zhang… - Journal of Materials …, 2020 - Springer
Abnormal vibration may cause the internal failure of transformers. In particular, the nonlinear
saturation vibration of the iron core under direct current (DC) magnetic bias will lead to …
saturation vibration of the iron core under direct current (DC) magnetic bias will lead to …
Calculation of Earth surface potential and neutral current caused by HVDC considering three-dimensional complex soil structure
N Yu, Z Cai, R Li, Q Zhang, L Gao… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
In ground return mode of high-voltage direct current (HVDC) transmission, direct current is
injected into the soil through a ground electrode, causing ground potential rise in different …
injected into the soil through a ground electrode, causing ground potential rise in different …
Vibration analysis of transformer DC bias caused by HVDC based on EMD reconstruction
X Liu, Y Yang, Y Huang - Journal of Electrical Engineering and …, 2018 - koreascience.kr
This paper proposes a new approach utilizing empirical mode decomposition (EMD)
reconstruction to process vibration signals of a transformer under DC bias caused by high …
reconstruction to process vibration signals of a transformer under DC bias caused by high …
Calculation model for the earth potential of HVDC ground electrode based on image recognition of surface-layer soil moisture
H Peiyu, L Peng, P Qingjun, C Min… - Measurement and …, 2020 - journals.sagepub.com
Changes in soil electrical parameters can affect the distribution of earth potential in high-
voltage direct-current (HVDC) ground electrodes when climatic conditions changes. This …
voltage direct-current (HVDC) ground electrodes when climatic conditions changes. This …
特高压直流接地极入地电流对高速动车组影响分析
吴杰， 黄军， 张华志， 宋伟， 张波 - 机车电传动, 2022 - edl.csrzic.com
直流输电系统以大地为回路运行时, 在地中形成的电流场会对邻近的多点分散接地的高速铁路
系统产生影响. 文章建立完整的高速铁路综合接地等效模型和高速动车组电气模型 …
系统产生影响. 文章建立完整的高速铁路综合接地等效模型和高速动车组电气模型 …
The research on DC loop of regional power grid caused by the operation of the subway
L Du, S Chang, S Wang - Electronics, 2020 - mdpi.com
The operation of the subway would change the distribution of the ground potential along the
rail, forming a DC loop through the grounding points in a nearby regional power grid and …
rail, forming a DC loop through the grounding points in a nearby regional power grid and …
A new method for HVDC grounding electrode line protection based on multi-band voltage amplitude integration
Y Zhuang, Y Teng, X Li, J Lu - 2019 IEEE Innovative Smart Grid …, 2019 - ieeexplore.ieee.org
In order to improve the fault monitoring performance of grounding electrode lines in high
voltage DC (HVDC) transmission systems, a new grounding electrode line protection based …
voltage DC (HVDC) transmission systems, a new grounding electrode line protection based …