کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9698819 | 1461340 | 2005 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Flow electrification in power transformers: salt-type additive as a potential remedy?
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
سایر رشته های مهندسی
مهندسی برق و الکترونیک
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
Flow electrification in power transformers has been studied for the last 30 years, since the charge generation phenomenon was suspected to be responsible for power transformer failures. An experimental set-up has been built at the University of Poitiers in partnership with EDF (French utility) to simulate the oil path along the pressboard between transformer windings. The accumulated charge in a pressboard duct can then be estimated by the integration of the measured capacitive current up to infinite time. Among the investigations to reduce the electrostatic hazard, a chemical salt has been injected into new and aged oil at different concentrations. It was found that the accumulated charge was drastically reduced at different salt concentrations for both oils whatever the temperature and the flow rate applied.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Electrostatics - Volume 63, Issues 6â10, June 2005, Pages 877-882
Journal: Journal of Electrostatics - Volume 63, Issues 6â10, June 2005, Pages 877-882
نویسندگان
Audrey Bourgeois, Thierry Paillat, Olivier Moreau, Gerard Mortha, Gerard Touchard,