The original paper is in English. Non-English content has been machine-translated and may contain typographical errors or mistranslations. ex. Some numerals are expressed as "XNUMX".
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The original paper is in English. Non-English content has been machine-translated and may contain typographical errors or mistranslations. Copyrights notice
A falha imprevista do contator pode interromper a produção e afetar o tempo de atividade e o rendimento da fabricação. Normalmente, a vida útil de um contator é baseada nos dados de teste de vida útil dos fabricantes. No entanto, devido à forma como o contator é operado e ao ambiente em que é operado, a vida útil de um contator pode variar significativamente. Neste artigo, uma nova tecnologia foi investigada para prever falhas potenciais de contatores acionados por CC, monitorando a corrente da bobina CC e as correntes do contator. Três parâmetros são derivados deste conjunto de dados para monitorar a integridade dos contatores: sobrecurso do contato, tempo de ativação da armadura e diferencial de corrente da bobina. O sobrecurso do contato fornece informações sobre a vida útil restante dos contatos e o diferencial de corrente da bobina fornece indicação de solda de contato e obstrução do transportador devido a detritos. O tempo de ativação da armadura fornece informações sobre a velocidade de fechamento do contator. Protótipos de contatores foram construídos e testes AC4 foram realizados para avaliação. Os resultados dos testes mostram que o parâmetro de sobrecurso do contato está de acordo com os dados de perda de massa do contato obtidos após a falha dos contatores. O tempo de pull-in da armadura derivado concorda bem com aquele medido por um sensor de deslocamento a laser. Os parâmetros definidos fornecem monitoramento e previsão eficazes de possíveis falhas do contator.
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Xin ZHOU, Lian ZOU, Roger BRIGGS, "Prognostic and Diagnostic Technology for DC Actuated Contactors and Motor Starters" in IEICE TRANSACTIONS on Electronics,
vol. E92-C, no. 8, pp. 1045-1051, August 2009, doi: 10.1587/transele.E92.C.1045.
Abstract: Unpredicted contactor failure can interrupt production and affect the uptime and throughput of manufacturing. Usually the life of a contactor is based on the manufacturers' life test data. However, due to the way of how the contactor is operated and the environment it is operated in, the working life of a contactor can vary significantly. In this paper, a novel technology has been investigated to predict potential failures of DC actuated contactors by monitoring their DC coil current and contactor currents. Three parameters are derived from this set of data to monitor the health of contactors: contact over-travel, armature pull-in time and coil current differential. Contact over-travel provides information on the remaining life of contacts and coil current differential provides indication of contact weld and carrier jam due to debris. The armature pull-in time provides information on contactor closing speed. Prototype contactors have been built and AC4 tests have been carried out for evaluation. Test results show that the contact over-travel parameter agrees well with contact mass loss data taken after contactors failed. The derived armature pull-in time agrees well with that measured by a laser displacement sensor. The defined parameters provide effective monitoring and prediction of potential contactor failures.
URL: https://global.ieice.org/en_transactions/electronics/10.1587/transele.E92.C.1045/_p
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@ARTICLE{e92-c_8_1045,
author={Xin ZHOU, Lian ZOU, Roger BRIGGS, },
journal={IEICE TRANSACTIONS on Electronics},
title={Prognostic and Diagnostic Technology for DC Actuated Contactors and Motor Starters},
year={2009},
volume={E92-C},
number={8},
pages={1045-1051},
abstract={Unpredicted contactor failure can interrupt production and affect the uptime and throughput of manufacturing. Usually the life of a contactor is based on the manufacturers' life test data. However, due to the way of how the contactor is operated and the environment it is operated in, the working life of a contactor can vary significantly. In this paper, a novel technology has been investigated to predict potential failures of DC actuated contactors by monitoring their DC coil current and contactor currents. Three parameters are derived from this set of data to monitor the health of contactors: contact over-travel, armature pull-in time and coil current differential. Contact over-travel provides information on the remaining life of contacts and coil current differential provides indication of contact weld and carrier jam due to debris. The armature pull-in time provides information on contactor closing speed. Prototype contactors have been built and AC4 tests have been carried out for evaluation. Test results show that the contact over-travel parameter agrees well with contact mass loss data taken after contactors failed. The derived armature pull-in time agrees well with that measured by a laser displacement sensor. The defined parameters provide effective monitoring and prediction of potential contactor failures.},
keywords={},
doi={10.1587/transele.E92.C.1045},
ISSN={1745-1353},
month={August},}
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TY - JOUR
TI - Prognostic and Diagnostic Technology for DC Actuated Contactors and Motor Starters
T2 - IEICE TRANSACTIONS on Electronics
SP - 1045
EP - 1051
AU - Xin ZHOU
AU - Lian ZOU
AU - Roger BRIGGS
PY - 2009
DO - 10.1587/transele.E92.C.1045
JO - IEICE TRANSACTIONS on Electronics
SN - 1745-1353
VL - E92-C
IS - 8
JA - IEICE TRANSACTIONS on Electronics
Y1 - August 2009
AB - Unpredicted contactor failure can interrupt production and affect the uptime and throughput of manufacturing. Usually the life of a contactor is based on the manufacturers' life test data. However, due to the way of how the contactor is operated and the environment it is operated in, the working life of a contactor can vary significantly. In this paper, a novel technology has been investigated to predict potential failures of DC actuated contactors by monitoring their DC coil current and contactor currents. Three parameters are derived from this set of data to monitor the health of contactors: contact over-travel, armature pull-in time and coil current differential. Contact over-travel provides information on the remaining life of contacts and coil current differential provides indication of contact weld and carrier jam due to debris. The armature pull-in time provides information on contactor closing speed. Prototype contactors have been built and AC4 tests have been carried out for evaluation. Test results show that the contact over-travel parameter agrees well with contact mass loss data taken after contactors failed. The derived armature pull-in time agrees well with that measured by a laser displacement sensor. The defined parameters provide effective monitoring and prediction of potential contactor failures.
ER -