Zobrazeno 1 - 10
of 693
pro vyhledávání: '"gas insulated switchgear (gis)"'
Publikováno v:
电力工程技术, Vol 43, Iss 6, Pp 163-172 (2024)
Conducting vibration measurement is important for detecting potential defects in gas insulated switchgear (GIS). However, the vibration signals of the GIS body are affected by the base vibration, measurement noise, and environmental noise, which lead
Externí odkaz:
https://doaj.org/article/ffb48772b2884d62a51d8b7d9e9d3427
Publikováno v:
IEEE Access, Vol 12, Pp 115171-115181 (2024)
Effective monitoring and diagnosis of partial discharge (PD) in power equipment are crucial for maintenance, particularly given the expectations of significant increases in energy generation and consumption. Although deep neural networks have been wi
Externí odkaz:
https://doaj.org/article/bb70c4e6114740849986c5ca9cc7fe46
Publikováno v:
电力工程技术, Vol 43, Iss 1, Pp 220-228 (2024)
The disconnector fault in gas insulated switchgear (GIS) is commonly caused by the combined effects of mechanical, thermal, and electrical factors. Throughout the progression from defect development to a severe fault, various signals, including abnor
Externí odkaz:
https://doaj.org/article/debf4f75a0f7433a9143f6f39d11568d
Publikováno v:
电力工程技术, Vol 43, Iss 1, Pp 212-219 (2024)
In order to prevent the faults caused by the overheating phenomena of gas insulated switchgear (GIS) contacts, it is necessary to monitor and predict the temperature of GIS contacts. In view of the problems that the temperature of contacts is not eas
Externí odkaz:
https://doaj.org/article/a96ccc2c15274a30a8720f5e93fbb470
Publikováno v:
电力工程技术, Vol 42, Iss 3, Pp 233-241 (2023)
The gas pressure of gas insulated switchgear (GIS) is the key factor affecting the sensitivity of partial discharge (PD) detection. In this paper, four defect models, tip, suspension, void, surface, are constructed on the PD experimental platform. PD
Externí odkaz:
https://doaj.org/article/b5cca826331d451d8066a6732853e098
Publikováno v:
电力工程技术, Vol 42, Iss 1, Pp 162-168 (2023)
Target recognition and temperature extraction of the typical component of gas insulated switchgear (GIS) are the key to realizing the infrared intelligent detection of equipment heating state. In this paper, an improved YOLOv4 algorithm based on conv
Externí odkaz:
https://doaj.org/article/29f1d6f3d6a04ee987cc1849fa0648eb
Autor:
Chuanyang Li, Changhong Zhang, Jinzhuang Lv, Fangwei Liang, Zuodong Liang, Xianhao Fan, Uwe Riechert, Zhen Li, Peng Liu, Jianyi Xue, Cheng Pan, Geng Chen, Lei Zhang, Zheming Wang, Wu Lu, Hucheng Liang, Zijun Pan, Weijian Zhuang, Giovanni Mazzanti, Davide Fabiani, Bo Liu, Shaohua Cao, Jianying Zhong, Yuan Deng, Zhenle Nan, Jingen Tang, Jinliang He
Publikováno v:
iEnergy, Vol 1, Iss 4, Pp 400-433 (2022)
The construction of the future energy structure of China under the 2050 carbon-neutral vision requires compact direct current (DC) gas-insulation equipment as important nodes and solutions to support electric power transmission and distribution of lo
Externí odkaz:
https://doaj.org/article/5c8bef5aaa0743b1bef88723ab0aaae9
Autor:
Feng Wen, Wenhan Zhao, Zhoujian Chu, Guoqi Zhang, Xiang Zhang, Dashang Zhang, Jianxing Ma, Zhijun Yao
Publikováno v:
Energy Reports, Vol 8, Iss , Pp 793-800 (2022)
Because the gas insulated switchgear (GIS) is closed, it is impossible to directly see the actual position of internal contacts. The image recognition technology can be used to collect, analyze and process the images of the switches in different stat
Externí odkaz:
https://doaj.org/article/875e381b60794a3b9347c2c33d19e4e3
Publikováno v:
电力工程技术, Vol 41, Iss 1, Pp 149-155 (2022)
The extrinsic Fabry-Perot interferometer (EFPI) optical fiber ultrasonic sensor can be used for the detection and pattern recognition of the partial discharge ultrasonic signal inside the gas-insulated switchgear (GIS). Compared with the traditional
Externí odkaz:
https://doaj.org/article/f8d305ba76d24325aaea2336c76d6d59
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