Abstract
the situation is grim for domestic civil electrical fire and arc fault is the main cause of electrical fires. Low-voltage arc fault protection technology in China is still in infancy, and has not yet established a complete low-voltage arc fault database and the arc fault protection system is not perfect for electrical fires. Based on existing technology, this paper mainly established the arc fault test platform to carry out arc fault, suppression arc, malfunction and various experiments with cumulative 14,754 groups of tests. In the basis of wavelet analysis, phase-space reconstruction and fractal processing for experimental data analysis, the arc fault protection indicators suitable for Chinese power supply characteristics will be extracted and summarized and established an arc fault database with independent intellectual property rights. Through research and extract of scientific technical conditions and test methods, the technical support will be provided for relevant national standards preparation as well as the basic data for the development of early warning products.
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