Event Logger, Disturbance Recorder and Fault Locator

摘要

These items in the sub-stations are basically used for the diagnosis of the electrical parameters during the time of fault occurrences. In the modern era of protection technology, every protection engineer wants to know the exact analysis of the fault occurrences, sequential behaviour of the sub-station equipments and the time factor of the incidents. The function ability of these elements is very fast and records the fault occurrences to the memory of the elements for future references.