Patent 11346878 was granted and assigned to Schweitzer Engineering Laboratories on May, 2022 by the United States Patent and Trademark Office.
The present disclosure illustrates the errors that are encountered when using both single-ended and double-ended normal-mode fault location calculations when a fault occurs in a pole-open condition. The disclosure provides systems and methods for accurately calculating the location of faults that occur during pole-open conditions, including single-ended approaches and double-ended approaches.