A single-phase ground fault location method for overhead distribution lines
A technology for single-phase ground faults, power distribution lines, applied in the direction of fault location, measurement of electricity, measurement of electrical variables, etc.
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[0035] The present invention will be described in further detail below in conjunction with the accompanying drawings. It should be emphasized that the following description is only exemplary and not intended to limit the scope of the invention and its application.
[0036] A method for locating a single-phase ground fault of an overhead power distribution line, the method comprising the steps of:
[0037] (1) Place the fault indicator:
[0038] According to the requirements, make the fault indicator into a square coil of 15cm*15cm. The coil is wound on a ferrite with a relative magnetic permeability of 2000, and the number of winding turns is 500 turns. By analyzing the characteristics of the spatial magnetic field direction around the line after the fault, the suspension position and placement direction of the fault indicator can be obtained.
[0039]In the overhead power distribution line, when the line erected on the tower has no angle change, when the fault indicator is...
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