Nhờ các anh down giúp e một số bài báo này:
1. A voltage sag study in an industry with adjustable speed drives
Sarmiento, H.G. Estrada, E.
This paper appears in: Industrial and Commercial Power Systems Technical Conference, 1994. Conference Record, Papers Presented at the 1994 Annual Meeting, 1994 IEEE
http://ieeexplore.ieee.org/iel1/2943/10203/00476593.pdf
2. Analysis of voltage tolerance of AC adjustable-speed drives forthree-phase balanced and unbalanced sags
Bollen, M.H.J. Zhang, L.D.
This paper appears in: Industry Applications, IEEE Transactions on May/Jun 2000
http://ieeexplore.ieee.org/xpl/freea...rnumber=845069
3. Effect of voltage sags on adjustable-speed drives: a critical evaluation and an approach to improve performance
Duran-Gomez, J.L.; Enjeti, P.N.; Byeong Ok Woo
Industry Applications, IEEE Transactions on
http://ieeexplore.ieee.org/Xplore/lo...rnumber=806060
4. Assessment of the number of voltage sags experienced by a largeindustrial customer
Bollen, M.H.J. Tayjasanant, T. Yalcinkaya, G.
This paper appears in: Industry Applications, IEEE Transactions on
Publication Date: Nov/Dec 1997
http://ieeexplore.ieee.org/xpl/freea...rnumber=649957
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