Journal ArticleDOI
Phase-time analysis of the leakage impulse current of faulty line-post pin insulators
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In this article, the leakage impulse current of the faulty insulators was experimentally studied, and the authors showed that leakage impulse is observed only in a distinct location in phase-time space, which could be used for status monitoring of insulators and distribution feeders.Abstract:
Leakage impulse current of the faulty insulators was experimentally studied. The leakage impulse current was characterized in terms of the phase-time base of the applied voltage. The study showed that the leakage impulse is observed only in a distinct location in phase-time space. Based on the findings, prioritized maintenance scheduling was proposed, which could be used for status monitoring of insulators and distribution feeders.read more
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Evaluation of feeder monitoring parameters for incipient fault detection using Laplace trend statistic
TL;DR: In this article, a systematic and cumulative statistical approach for identifying symptom parameters of incipient faults in distribution feeders is proposed, which aims at providing a tool for evaluating and identifying the best and highly correlated parameters to the faults so that they could be used for incipient fault detection and feeder condition monitoring.
Evaluation of Feeder Monitoring Parameters for Incipient Fault Detection Using
TL;DR: In this article, a systematic and cumulative statistical approach for identifying symptom parameters of incipient faults in distribution feeders is proposed, which aims at providing a tool for evaluating and identifying the best and highly correlated parameters to the faults so that they could be used for incipient fault detection and feeder condition monitoring.
References
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Partial Discharge Detection in High Voltage Equipment
TL;DR: In this paper, the authors collected this knowledge and presented it as a coherent study, including the behaviour detection and measurement of discharges, the choice of detection method and procedure, the location of discharging and discharge detection in practice.
Journal ArticleDOI
A study on the characterization of the incipient failure behavior of insulators in power distribution line
TL;DR: In this article, a feasibility study on the characterization of incipient insulator failure for distribution fault prediction is presented, where real distribution data was collected and analyzed to isolate incipient failure signatures or parameters which were expected to show distinct behaviors before and after failure incident.
A new monitor for pollution on power line insulators. Part 1: Design, construction and preliminary tests
S. E. D. Habib,M. Khalifa +1 more
TL;DR: In this paper, the leakage current drawn by an insulator chain of a power line in a polluted atmosphere is detected by a novel current transformer arrangement, whose amplitude exceeds a critical level, occurring over a preset period.