Surface Discharge Characteristics and Numerical Simulation in C4F7N/CO2 Mixture

Article Engineering, Electrical & Electronic

DC Breakdown Characteristics of C4F7N/CO2 Mixtures With Particle-in-Cell Simulation

Jianwei Zhang et al.

Summary: The breakdown characteristics of C4F7N/CO2 mixtures under dc condition were investigated using a particle-in-cell method. The results showed that the breakdown threshold of the mixture increases with the proportion of C4F7N.

IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION (2022)

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Article Engineering, Electrical & Electronic

Method of GIL partial discharge localization based on natural neighbour interpolation and ECOC-MLP-SVM using optical simulation technology

Yiming Zang et al.

Summary: The paper proposes an optical PD localization method based on optical simulation fingerprint database, which reduces the experimental difficulty through simulation and improves the localization accuracy. The method has small localization error and significantly reduced localization time.

HIGH VOLTAGE (2021)

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Article Engineering, Electrical & Electronic

Surface Discharge Mechanism with a Change of Gas Pressure in N2/O2 Mixed Gas for Insulation Design of SF6-Free High-Voltage Power Equipment

Seung-Wook Jee et al.

Summary: This paper investigates the surface discharge characteristics under different gas pressures in N2/02 mixed gas with a Teflon dielectric sphere-plane electrode, identifying different discharge paths at high and low pressures. Proposes two surface discharge models based on mechanisms such as electron avalanche, photoionization, and photoemission.

IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION (2021)

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Article Physics, Atomic, Molecular & Chemical

Study on theoretical analysis of C4F7N infrared spectra and detection method of mixing ratio of the gas mixture

Wei Liu et al.

Summary: The research focused on the geometric structure and infrared spectrum of C4F7N gas, proposed a method for detecting the mixing ratio of C4F7N/CO2 gas mixture based on infrared spectroscopy, and determined the best density functional theory method for calculating the infrared spectrum of C4F7N molecules.

JOURNAL OF MOLECULAR SPECTROSCOPY (2021)

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Article Engineering, Electrical & Electronic