Zobrazeno 1 - 10
of 20
pro vyhledávání: '"W. Khachen"'
Autor:
J.R. Laghari, W. Khachen
Publikováno v:
IEEE Transactions on Dielectrics and Electrical Insulation. 1:1034-1038
Polypropylene film is tested for life under HV, frequencies up to 30 kHz, and aging and breakdown studies are conducted. The life data obtained is applied to three different aging models relating electric stress to time to failure: the inverse power,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dcd325750a6a41d96f9ae94c1dd8c0dc
https://doi.org/10.1109/94.368660
https://doi.org/10.1109/94.368660
Publikováno v:
IEEE Transactions on Electrical Insulation. 28:876-886
The authors point out that aerospace electronic and power systems demand increasing levels of safety, efficiency and power delivery because of the severe effects from long term operation in the space environment, often without any manned operation or
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::05295585474dbc2251ced6885ee6b10e
https://doi.org/10.1109/14.237748
https://doi.org/10.1109/14.237748
Autor:
J.R. Laghari, W. Khachen
Publikováno v:
IEEE Transactions on Electrical Insulation. 27:1022-1025
Lifetimes of three different capacitor dielectrics. polypropylene (PP), polyimide (PI), and polyvinylidene fluoride (PVDF), were evaluated under high electric field using a step-stress method. Three layers of the insulating film were used for each di
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e6ab190bd05f44f8408973b025c2d42f
https://doi.org/10.1109/14.256477
https://doi.org/10.1109/14.256477
Publikováno v:
Eighth IEEE International Conference on Pulsed Power.
The influence of low atmospheric pressure on the dielectric properties of three pulsed power insulating materials, Polyimide (PI, Kapton), Polypropylene (PP) and Polyvinylidene Fluoride (PVDF, K-film) is investigated. This pressure approached the cri
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c4abc2bea2b45137521f1af1fd418d37
https://doi.org/10.1109/ppc.1991.733303
https://doi.org/10.1109/ppc.1991.733303
Publikováno v:
Conference Record of the 1992 IEEE International Symposium on Electrical Insulation.
Polypropylene, a low-loss, high-dielectric-strength film was characterized for its dielectric properties under high-voltage, high-frequency conditions. The properties that were measured included the breakdown voltages and the high-voltage aging chara
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::86b644ecaa59b66ea037ad56d05f4536
https://doi.org/10.1109/elinsl.1992.247023
https://doi.org/10.1109/elinsl.1992.247023
Publikováno v:
[Proceedings] 1992 Annual Report: Conference on Electrical Insulation and Dielectric Phenomena.
Apical, Upilex, Kapton, Teflon AF, and PEEK polymers are characterized for AC and DC dielectric breakdown in air and in silicone oil at temperatures up to 250 degrees C. The materials are also tested in terms of their dielectric constant and dissipat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a512ca74b3b1fd10a1317a9dfa87f730
https://doi.org/10.1109/ceidp.1992.283158
https://doi.org/10.1109/ceidp.1992.283158
Publikováno v:
IEEE 35th International Power Sources Symposium.
The aging characteristics of two high energy density capacitor dielectric films, polypropylene and polyvinylidene fluoride, with transformer oil and glycerine as dielectric fluids, were obtained using the step-stress test. The inverse power law was u
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::58cb927126a325d141c49abedd347977
https://doi.org/10.1109/ipss.1992.281977
https://doi.org/10.1109/ipss.1992.281977
Publikováno v:
Proceedings of IEEE Conference on Electrical Insulation and Dielectric Phenomena - (CEIDP '93).
Multistress accelerated aging experiments on polyetherimide (PEI) film were conducted by applying a combination of accelerated thermal and electrical (400 Hz) stresses in a full factorial experiment. Weibull and lognormal distributions are used along
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9d86729b24f2d99499b82d01d3f20173
https://doi.org/10.1109/ceidp.1993.378912
https://doi.org/10.1109/ceidp.1993.378912
Publikováno v:
Proceedings of 1994 IEEE International Symposium on Electrical Insulation.
Reliable cable insulation is needed to replace MIL-W-81381 (polyimide) in low to medium voltage aerospace power applications. Potential cable insulation systems are tested to determine their suitability in an aerospace environment. The top ten cable
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::671174ece3268387ee471350acc0db4e
https://doi.org/10.1109/elinsl.1994.401441
https://doi.org/10.1109/elinsl.1994.401441
Autor:
W. Khachen, J.R. Laghari
Publikováno v:
IEEE International Symposium on Electrical Insulation.
Polypropylene is characterized for airborne high-power applications under high-voltage, high-frequency conditions. The properties that are measured include the dielectric constant and dielectric loss (at electrical stresses of up to 40 V/ mu m) and t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a7d859b802b37a03b7537fd5b11c8482
https://doi.org/10.1109/elinsl.1990.109713
https://doi.org/10.1109/elinsl.1990.109713