PROJECT TITLE :
Preemptive Arc Fault Detection Techniques in Switchgear—Part III: From the Laboratory to Practical Installation
The major varieties of slowly developing faults, that can cause arc faults in switchgear and controlgear, such as partial discharge, arcing, and heating due to poor connections, can now be successfully detected and monitored. In components I and II of this paper series, a close review of the immediate causes of arc faults, along with an overview of preignition and postignition methods for its mitigation, was presented. Varied hybrid nonintrusive sensors were developed in the laboratory to implement preignition detection techniques. The major sorts of slowly developing electrical faults were created in the laboratory, and the sensors were utilized to evaluate their performance along with an efficient Signal Processing technique. Half III of the work is based on the successful performance of the sensors outside of laboratory conditions. Hybrid sensors are put in in an exceedingly real-world application, i.e., switchgear located in substations. This paper presents attention-grabbing results regarding this sensible application and includes valuable discussion on the performance analysis of different sensors, which additional justifies the usefulness of the new sensors for on-line condition monitoring of switchgear, controlgear, and cable termination boxes. The implementation of this technology in business may give promising leads to avoiding major accidents like arc-flash within the switchgear and controlgear.
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