کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
705681 891353 2007 7 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Validation of power system non-linear modal analysis methods
موضوعات مرتبط
مهندسی و علوم پایه مهندسی انرژی مهندسی انرژی و فناوری های برق
پیش نمایش صفحه اول مقاله
Validation of power system non-linear modal analysis methods
چکیده انگلیسی

The validity of two power system non-linear modal analysis methods, i.e. normal form method and modal series method, are investigated in this work. The second-order participation factors are derived for modal series method and qualitatively compared with that of normal form method. To evaluate the validity of analysis methods, a valid region that satisfies certain error index is defined. The test results of a two-area four-generator power system show that the valid regions of both modal series method and linear modal method are not affected by second-order resonance condition, while that of normal form method is affected significantly. It is found that as the system stress increases, the error index and its growing speed of modal series method are the smallest, and that of normal form method take second place. A non-linearity index for normal form method is defined based on the original index and its validity is verified by the case studies using the same test system.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Electric Power Systems Research - Volume 77, Issue 10, August 2007, Pages 1418–1424
نویسندگان
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