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Spectral Characteristics and Evolution Mechanism of Silicon Rubber Surface Discharge Under Thermal Ageing Condition

High Voltage, EarlyView.
ABSTRACT Surface discharge is a typical fault type in electric power equipment. High temperature in long‐term operation can easily lead to ageing of materials, resulting in changes in surface characteristics and surface discharge faults. In this paper, a method of surface discharge identification of silicon rubber (SiR) based on spectral detection ...
Yanze Han, Liankang Zhang, Beibei Sun, Lu Liu, Guochang Li, Shengtao Li, Yanhui Wei   +6 more
wiley   +1 more source

Comparison of scandium-based post-plasma chemical ionization approaches for elemental fluorine detection by nitrogen microwave-sustained inductively-coupled atmospheric-pressure plasma. [PDF]

Spectrochim Acta Part B At Spectrosc
Tanen JL, Jorabchi K.
europepmc   +1 more source

Investigating Spatial‐Temporal Optical Emission Spectroscopy of Unstable Positive Leaders in Long Sparks Under Atmospheric Pressure

High Voltage, EarlyView.
ABSTRACT This study explores exciting state species and reaction pathways in positive leaders to better understand the breakdown mechanisms of long air gap discharges and natural lightning. Emission spectra from an unstable positive leader in a 1 m rod‐plate air gap under switching impulse voltages were observed, spanning 300–800 nm.
Hengxin He, Yubin Huang, Wanxia Zhang, Chang Liu, Xiuyuan Yao, Yu Ying, Weijiang Chen   +6 more
wiley   +1 more source

DEVELOPMENT OF A CORONA DISCHARGE GAS ANALYZER FOR AIR DISINFECTION

openalex   +1 more source

Integrated Learning‐Based Ageing Assessment of Silicone Rubber

High Voltage, EarlyView.
ABSTRACT The surface ageing of silicone rubber composite insulators, widely used in power systems, poses significant challenges. This study integrates Fourier transform infrared (FTIR) spectroscopy with machine learning to evaluate ageing states and explore underlying mechanisms under various environmental conditions.
Xinzhe Yu, Kun Zhang, Zhenan Zhou, Zheyuan Liu, Yu Deng, Chen Gu, Songsong Zhou, Dongxu Sun   +7 more
wiley   +1 more source

Study on the Impact of Contamination Containing High Proportions of Metals on the AC Flashover Characteristics of Insulators

High Voltage, EarlyView.
ABSTRACT In heavy metal industrial areas, the issue of insulation flashover caused by metal contamination on the external insulation of transmission lines has become increasingly prominent. This paper investigates the U160B/155 porcelain insulator, examining how iron, copper and zinc metal contaminations affect its AC flashover characteristics ...
Zhijin Zhang, Dong Zeng, Bingbing Wang, Xingliang Jiang, Jianlin Hu, Qin Hu   +5 more
wiley   +1 more source

Hippo and Wnt as Early Initiators: Integrated Multi-Omics Reveals the Signaling Basis for Corona-Induced Diapause Termination in Silkworm. [PDF]

Insects
Sun Q, Liu X, Zhang G, Chen X, Xie W, Wang P, Wang X, Cui Q, Zhang Y.   +8 more
europepmc   +1 more source

Advances in Plasma Treatment of Materials. [PDF]

Materials (Basel)
Dors M.
europepmc   +1 more source

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Corona discharge photography

Journal of Applied Physics, 1973
Using short (∼ 100 μsec) pulses of rf (1 MHZ) applied to parallel electrodes in air at small electrode spacings (∼ 250 μ) and at an applied field of ∼ 106 V/cm, discharges from both biological and metallic electrodes occurred from a network of points in the electrode surface. These discharges were recorded photographically.
David G. Boyers, William A. Tiller
openaire   +1 more source