2021
DOI: 10.3390/electronics10121409
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State of Health Prediction of Power Connectors by Analyzing the Degradation Trajectory of the Electrical Resistance

Abstract: Estimating the remaining useful life (RUL) or the state of health (SoH) of electrical components such as power connectors is still a challenging and complex task. Power connectors play a critical role in medium- and high-voltage power networks, their failure leading to important consequences such as power outages, unscheduled downtimes, safety hazards or important economic losses. Online condition monitoring strategies allow developing improved predictive maintenance plans. Due to the development of low-cost s… Show more

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Cited by 13 publications
(6 citation statements)
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“…It is known that electrical connections are among the critical points in power systems, often being placed in remote or inaccessible locations, so they deserve special attention [ 4 ]. It is interesting to provide the connections with the ability to measure fundamental physical variables, as well as to communicate, in order to determine their state of health and remaining useful life (RUL) [ 5 , 6 ]. With the development of IoT technology, today this goal is within reach.…”
Section: Introductionmentioning
confidence: 99%
“…It is known that electrical connections are among the critical points in power systems, often being placed in remote or inaccessible locations, so they deserve special attention [ 4 ]. It is interesting to provide the connections with the ability to measure fundamental physical variables, as well as to communicate, in order to determine their state of health and remaining useful life (RUL) [ 5 , 6 ]. With the development of IoT technology, today this goal is within reach.…”
Section: Introductionmentioning
confidence: 99%
“…It is based on applying different methods to identify changes in a system because of fault development or the degradation of the state of health (SoH), thus generating an alarm to indicate the occurrence of a failure [2]. To apply effective on-line condition monitoring approaches, it is necessary to develop methods for detecting degraded or anomalous operational modes in the early stage, much before the development of important faults, while minimizing false alarm events [3,4].…”
Section: Introductionmentioning
confidence: 99%
“…For example, Jimmy et al proposed an SOH estimation method that relies on monitoring the degradation trajectory of the connector resistance. 19 Although the direct measurement method has accurate estimates, the measurement of internal resistance requires expensive and bulky equipments. [20][21][22] The data-based approach can overcome this shortcoming, thus can be regarded as an alternative to the direct measurement method.…”
mentioning
confidence: 99%