Table 1 The selected analytical methods, decomposition products, and time delay for different discharge fault analysis

From: Effects of SF6 decomposition components and concentrations on the discharge faults and insulation defects in GIS equipment

Fault types

Analytical methods

Data

Time delay

Severity types (arc, spark, corona)

Six machine learning methods (Neural Network, SVM, Linear Regression, K-Nearest Neighbor, Random Forest, and Gaussian Distribution)

SO2F2, SO2

Per 12 h (from 24 to 72 h)

Insulation defect types (particle, pollution, gap, protrusion)

SOF2, SO2F2, CF4, CO2

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