Low-current grounding fault positioning and alarming method based on fault indicator
A fault indicator, small current grounding technology, applied in fault location, short circuit test, etc., can solve problems that need to be improved, achieve the effect of reducing daily maintenance workload, shortening power failure maintenance time, and improving work efficiency
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[0020] The following clearly and completely describes the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0021] The method for locating and alarming a small current grounding fault based on a fault indicator comprises the following steps:
[0022] Step 1, time-synchronizing the acquisition units of the fault indicators of each phase, and at the same time, the acquisition units of each phase synchronize the positions of the current sampling points and the positions of the voltage sampling points;
[0023] Step 2, the acquisition units of each phase are triggered synchronously, and the current data and voltage data of each phase during t...
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