A Modeling and Analysis Method for Arcing Ground Fault in Distribution Network
A ground fault and analysis method technology, applied in the direction of fault location, measuring electricity, electrical components, etc., can solve the problem that the ground fault model cannot fully describe the characteristics of the ground fault, and achieve accurate response of zero-break characteristics, strong practicability, and high precision Effect
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[0037] To make the object, technical solution and advantages of the present invention more clearly understood, the following in conjunction with the embodiments and accompanying drawings, the present invention will be further elaborated in detail, schematic embodiments of the present invention and description thereof is for illustrative purposes only to explain the present invention, and is not intended as a limitation of the present invention.
[0038] Figure 1 Schematic diagram of the distribution network arc model applied to the present invention.
[0039] The basic working principle of the present embodiment is as follows:
[0040] According to the electric breakdown theory of short gap and the development process of ground fault, the fault branch is regarded as a series combination of breakdown gap arc and variable resistance generated by air breakdown, and the variable resistance value is affected by the dielectric density and temperature of the fault point.
[0041] The ch...
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