Results 1 to 10 of about 2,972 (191)

Analysis of suppression switching overvoltage for CRAFT power supply

Energy Reports, 2022
In order to solve the problem of switching overvoltage for CRAFT, an optimal design is put forward to suppress overvoltage, which aims to enable the converter thyristor work normal.
, Li Jiang, Yalong Yang
exaly   +3 more sources

Analysis on switching overvoltage of 500 kV GIS disconnector

Energy Reports, 2022
The 500 kV GIS disconnector of a pumped storage power station is detected to have the risk of operating overvoltage breakdown of the gas chamber. In this paper, the causes of the operating overvoltage of the disconnector of GI equipment are analyzed, and
Hongtao Ren
exaly   +3 more sources

Feature statistics and analysis of transient overvoltage waveform measured from 220 kV substation

International Journal of Electrical Power and Energy Systems
The electromagnetic transient overvoltage in the substation is an important factor that affects the life of insulation equipment. For evaluate the economy and reliability of the insulation design of substation equipment, it is necessary to study and ...
Chenmeng Zhang, Yong Ouyang
exaly   +3 more sources

Research on Ultra-Fast Transient Overvoltage Characteristics of Electric Locomotive

Applied Sciences (Switzerland)
Operating overvoltage occurs when the pantograph or main breaker of an electric locomotive is operated, which is prone to causing insulation failure of high-voltage equipment.
Fuqiang Tian
exaly   +3 more sources

Investigation of a Low-Speed Commutation Voltage Shock Problem in Three-Level ANPC Inverter with Hybrid Modulation Mode

Machines, 2023
With the development of the photovoltaic industry; there will be an increasing demand for efficient, high-power density, and low-cost grid interface converters.
Jian Yu, Renhui Shen, Le Zhou, Zelin Jia, Yulong Hao   +4 more
doaj   +1 more source

Overvoltage Mechanism of 66 kV Submarine Cable Transmission System for Offshore Wind Farm

Zhongguo dianli, 2023
Overvoltage level is the key parameter of the offshore wind power transmission system, which has significant impact on the system design and equipment selection.
Xiaohe WANG, Haichao YANG, Shuang SONG, Yuxin YANG, Gui YIN, Ke WANG   +5 more
doaj   +1 more source

THE MEASUREMENT OF OVERVOLTAGE [PDF]

Journal of the American Chemical Society, 1922
n ...
Tartar, Herman V., Keyes, Harmon E.
openaire   +2 more sources

Research on overvoltage characteristics and influencing factors of converter station under grounding fault

Energy Reports, 2022
In grounding fault of DC system, overvoltage will appear on equipment nodes in converter station. Due to different operation mode and equipment type, it is very different from overvoltage in AC system.
Zongyang Zhang, Zhiyuan Wang, Chao Kang, Fang Yu, Zixin Ma, Jie Guo   +5 more
doaj   +1 more source

A further look at dynamic electro-geometrical model: Its fundamentals and implementation

Ain Shams Engineering Journal, 2020
The rolling sphere method for air termination placement on a structure is easy to apply, but it cannot be used to determine the probability of lightning strike to different points on the structure.
Aderibigbe Israel Adekitan, Michael Rock
doaj   +1 more source

Study on the Measurement of the On-Site Overvoltage and Internal Temperature Rise Simulation of the EMU Arrester

Applied Sciences, 2022
In order to analyze the explosion accidents of the CRH5 EMU roof arrester in recent years, an internal temperature measuring platform based on fluorescence fiber was established, and the temperature distribution characteristics under the continuous ...
Shenghui Wang, Qi Ou, Shengfeng Lei, Huaqi Liu, Shuaitao Mao, Qizhe Zhang, Jian Liu, Fangcheng Lv   +7 more
doaj   +1 more source