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Formation of contamination flashover arc in composite insulator is closely related to leakage current, which is affected by surface contamination and humidity. In this paper, a composite insulator in service over 6 years was taken as a sample, and leakage current tests were carried out in an artificial climate facility, which can provide experiment conditions with a series of humidity and contamination...
Traditional sensing device of power transmission line galloping is sensitive to electro-magnetic disruptive and is short of power supply. Based on the strain effects of fiber grating, a two-dimensional acceleration-sensor was developed, and a mathematical model for this sensor was established. An on-line monitoring system of power transmission line galloping was given using the designed sensor, which...
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