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Method of Data Transmission Technology Based on Fiber Optic Sensing Vibration
Yunxun Liu;Qiushi Meng;Zebin He;Ran Hu;Chengjun Liang;Tinghan Song;Xing Huang
2023 IEEE 6th International Conference on Automation, Electronics and Electrical Engineering (AUTEEE)
Year: 2023 | Conference Paper |
This article constructed a fiber optic distributed vibration sensing system based on FPGA (Field Programmable Gate Array). The FPGA chip was proposed to collect, preprocess, demodulate, and transmit vibration signals, fully leveraging the parallel computing advantages of FPGA, improving the data processing speed and real-time response, and thereby reducing the data processing burden on personal co...Show More
Discharge Randomness and Attraction Process of Epoxy Surface on Discharge Channel in SF6 Gas Under Uniform Electric Field
It is generally believed that due to the electric field distortion effect and the photoemission process of the solid surface, the discharge channel near the solid surface tends to develop along the surface than that in bulk gas. One way to improve insulation performance is to avoid the solid surface from participating in the gas discharge process. However, the mechanism of the solid surface’s effe...Show More
Application of Heat Pipe Technology on Averaging Temperature of UHV Converter Valve-Side Bushing
Ming Chen;Xuandong Liu;Xing Fan;Qiaogen Zhang;Chengjun Liang;Yi Zhao
2020 IEEE Electrical Insulation Conference (EIC)
Year: 2020 | Conference Paper |
Cited by: Papers (1)
As a critical component of UHV converter transformer, the converter valve-side bushing plays a vital role in connecting HVAC and HVDC systems. Due to the poor radial heat dissipation of the UHV converter valve-side bushing, the overall temperature and electric field distribution are incredibly uneven, especially under the condition of high ambient temperature and heavy load. To improve the tempera...Show More
XJTU: Typical Arrangements for Downstream Uniformity Assessment in Atmospheric-Pressure Plasma Jet Arrays
Qiang Ren;Xuandong Liu;Hao Sun;Chengwei Huang;Feiyan Zhou;Ming Chen;Chengjun Liang
The downstream uniformity of the atmospheric-pressure plasma jet array is a key technical problem in regards to large-scale applications. This paper presents a 2-D array device of five jets arranged in four different shapes designed from the perspective of symmetry. Various schemes were tested to determine the effects of jet arrangement on the downstream uniformity of the array: the completely sym...Show More
The Influence of Electric Field Distribution on Insulator Surface Flashover
Lin LIU;Xiaoang LI;Qiaogen ZHANG;Chengjun LIANG;Haiyang REN;Junping Zhao;Zhibing LI
2018 IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP)
Year: 2018 | Conference Paper |
Cited by: Papers (5)
Insulator surface flashover is one of the main causations for the gas insulated metal enclosed switchgear (GIS) devices failure. The local electric field enhancement is the intrinsic reason for the surface discharge. To clarify the relationship between insulator surface flashover and its surface electric field distribution, we manufactured insulator samples with various shapes and embedded electro...Show More
Surface Flashover of GIS Insulator Attached with Metal Particles Under Lightning Impulse
Lin LIU;Xiaoang LI;Qiaogen Zhang;Junping ZHAO;Chengjun LIANG;Zhibing LI
Insulator surface flashover is one of the main causations for the gas insulated metal enclosed switchgear (GIS) devices failure. According to the previous studies, the metal particles plays an important role in the flashover of insulators, and the flashover voltage decreases more under impulse voltage than AC/DC voltage. As a result, the lightning impulse voltage is regarded as an effective way to...Show More
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