Results 11 to 20 of about 42,380 (312)

Breakdown property of ±320 kV HVDC cable system XLPE/EPDM accessories

电力工程技术, 2023
In high voltage direct current cable system, the cable joint and termination are the weakness to stand high voltage, thus making their breakdown strength the critical property to the reliability of power transmission system.
LIU Yongbin, GAO Jinghui, ZHONG Lisheng, MEI Wenjie, WANG Jiru, PAN Wenlin   +5 more
doaj   +1 more source

Size and temperature effects on dielectric breakdown of ferroelectric films

Journal of Advanced Ceramics, 2021
The paper introduces a model of dielectric breakdown strength. The model integrated thermal breakdown and defect models, representing the relationship between the electric field of ferroelectric films and dimensional parameters and operating temperature.
Sheng Tong
doaj   +1 more source

Space Charge Modulated Electrical Breakdown [PDF]

Scientific Reports, 2016
AbstractElectrical breakdown is one of the most important physical phenomena in electrical and electronic engineering. Since the early 20thcentury, many theories and models of electrical breakdown have been proposed, but the origin of one key issue, that the explanation for dc breakdown strength being twice or higher than ac breakdown strength in ...
Li, Shengtao, Zhu, Yuanwei, Min, Daomin, Chen, George   +3 more
openaire   +4 more sources

Breakdown characteristics of combined air gaps under lightning impulse

AIP Advances, 2022
With the increase of both voltage level and the transmission capacity, more attention has been paid to the external insulation of transmission lines.
Shaocheng Wu, Linong Wang, Jiachen Gao, Cheng Xie, Lei Liu, Tingting Wang, Enwen Li   +6 more
doaj   +1 more source

Short-term Breakdown and Long-term Failure in Nanodielectrics: A Review [PDF]

, 2010
Nanodielectrics, which are concentrated in polymer matrix incorporating nanofillers, have received considerable attention due to their potential benefits as dielectrics.
Yunxa Zhang, Yin, Guilai, Zhang, Yunxia, Guilai Yin, Suna Bai, Qingquan Lei, Jianying Li, Chen, George, Li, Jianying, Li, Shengtao, Bai, Suna, G. Chen, Zhong, Lisheng, Shengtao Li, Lisheng Zhong, Lei, Qingquan   +15 more
core   +1 more source

Pre-breakdown Characteristics of Contaminated Power Transformer Oil [PDF]

, 2007
In this paper we have studied pre-breakdown characteristics of transformer oil in the presence of different levels of contamination. The contaminant is fibrous dust from pressboard insulation used for high voltage transformers.
Zuber, H M, M. H. Zuber, G. Chen, Chen, G   +3 more
core   +1 more source

GaN/Si Heterojunction VDMOS with High Breakdown Voltage and Low Specific On-Resistance

Micromachines, 2023
A novel VDMOS with the GaN/Si heterojunction (GaN/Si VDMOS) is proposed in this letter to optimize the breakdown voltage (BV) and the specific on-resistance (Ron,sp) by Breakdown Point Transfer (BPT), which transfers the breakdown point from the high ...
Xin Yang, Baoxing Duan, Yintang Yang
doaj   +1 more source

Effect of Acceptor Traps in GaN Buffer Layer on Breakdown Performance of AlGaN/GaN HEMTs

Micromachines, 2022
In this paper, Silvaco TCAD software is used to simulate the buffer traps in AlGaN/GaN high electron mobility transistors (HEMTs), and its effects on the breakdown performance and key parameters of the devices are investigated by changing the position ...
Maodan Ma, Yanrong Cao, Hanghang Lv, Zhiheng Wang, Xinxiang Zhang, Chuan Chen, Linshan Wu, Ling Lv, Xuefeng Zheng, Wenchao Tian, Xiaohua Ma, Yue Hao   +11 more
doaj   +1 more source

Research on Electric Field Distribution and Breakdown Characteristics of GIS Double-fracture Disconnect Switch under Non-outage Experiment

Zhongguo dianli, 2023
Due to the breakdown of the test-side fracture during the non-outage voltage-withstand test, the double-fracture disconnect switch (DDS) with a common chamber structure has been exposed to the risk of affecting the insulation performance of the operating-
Zifan DONG, Jieshuai REN, Jiangang YIN, Jun CHEN, Yaqin WEN, Jinbin LI   +5 more
doaj   +1 more source

Study on Insulation Breakdown Characteristics of Printed Circuit Board under Continuous Square Impulse Voltage

Energies, 2018
The widely distributed interconnects in printed circuit boards (PCBs) easily couple with high voltage under the action of electromagnetic pulses, which leads to insulation failure.
Quan Zhou, Mingqian Wen, Taotao Xiong, Tianyan Jiang, Ming Zhou, Xi Ouyang, Lai Xing   +6 more
doaj   +1 more source