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EnglishHigh voltage power transformers are the most challenging equipment for asset managers in that their failures are often due to thermal, electrical, ambient, and mechanical stresses that interact in a synergic way. An accurate failure mode analysis is often prevented by the compound nature of the insulation (partly solid, partly liquid, self-regenerative, and highly flammable) and by the high probability that failures involve explosions. Insulation failure is, by far, the costlier event with an average cost of about $150,000 (1999) per outage [1]. Therefore, it is worthwhile to understand better the symptoms that indicate an imminent failure.
| Titolo: | Identification of partial discharges in power transformers: An approach driven by practical experience |
| Autore/i: | Ganeshan, S.; Murugesan, J.; Cavallini, A.; Negri, F.; Valecillos, B.; Piovan, U. |
| Autore/i Unibo: | |
| Anno: | 2017 |
| Rivista: | |
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1109/MEI.2017.8014388 |
| Abstract: | High voltage power transformers are the most challenging equipment for asset managers in that their failures are often due to thermal, electrical, ambient, and mechanical stresses that interact in a synergic way. An accurate failure mode analysis is often prevented by the compound nature of the insulation (partly solid, partly liquid, self-regenerative, and highly flammable) and by the high probability that failures involve explosions. Insulation failure is, by far, the costlier event with an average cost of about $150,000 (1999) per outage [1]. Therefore, it is worthwhile to understand better the symptoms that indicate an imminent failure. |
| Data stato definitivo: | 2018-01-21T14:51:26Z |
| Appare nelle tipologie: | 1.01 Articolo in rivista |
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