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EnglishThis paper deals with a life model for low voltage polyester- insulated capacitors subjected to time-varying temperature. The results of accelerated life tests performed on low voltage polyester-insulated capacitors at various temperatures are illustrated and from them a constant-temperature life model is derived. Such model, inserted within a “Miner’s law” framework, gives rise to a variable-temperature life model that is compared with the results of subsequent life tests performed on the same kind of capacitors under daily temperature cycles. This is a milestone towards real-time life estimation of capacitors subjected to time-varying temperature, as well as towards the extension of this approach to other electrical devices.
| Titolo: | Towards real-time life estimation of capacitors subjected to time-varying temperature |
| Autore/i: | ALBERTINI, ANDREA; MASI, MARIA GABRIELLA; MAZZANTI, GIOVANNI; PERETTO, LORENZO; TINARELLI, ROBERTO |
| Autore/i Unibo: | |
| Anno: | 2010 |
| Titolo del libro: | Atti della 2010 IEEE Conference on Electrical Insulation and Dielectric Phenomena (IEEE CEIDP) |
| Pagina iniziale: | 81 |
| Pagina finale: | 84 |
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1109/CEIDP.2010.5724055 |
| Abstract: | This paper deals with a life model for low voltage polyester- insulated capacitors subjected to time-varying temperature. The results of accelerated life tests performed on low voltage polyester-insulated capacitors at various temperatures are illustrated and from them a constant-temperature life model is derived. Such model, inserted within a “Miner’s law” framework, gives rise to a variable-temperature life model that is compared with the results of subsequent life tests performed on the same kind of capacitors under daily temperature cycles. This is a milestone towards real-time life estimation of capacitors subjected to time-varying temperature, as well as towards the extension of this approach to other electrical devices. |
| Data prodotto definitivo in UGOV: | 12-nov-2010 |
| Appare nelle tipologie: | 4.01 Contributo in Atti di convegno |
File in questo prodotto:
http://hdl.handle.net/11585/92452
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