کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
6859981 | 1438736 | 2015 | 9 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
A distributed state estimation method for power systems incorporating linear and nonlinear models
ترجمه فارسی عنوان
یک روش تخمین حالت توزیع شده برای سیستم های قدرت شامل مدل های خطی و غیر خطی
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کلمات کلیدی
برآورد دولت، برآورد دولت توزیع، واحد اندازه گیری فازور،
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی کامپیوتر
هوش مصنوعی
چکیده انگلیسی
High-voltage transmission networks are commonly equipped with phasor measurement units (PMU), and some of them are PMU observable. However, PMUs are seldom installed in distribution networks due to budget limitations. The state estimation equations of PMU observable areas are linear, while those of other areas remain nonlinear. This paper proposes a new distributed state estimation method for solving multi-area state estimation problems, in which linear models are used for high-voltage transmission network, while nonlinear models are adopted for other areas. In PMU observable area, we select coordinating variables as generalized cost functions which accurately represent the sensitivity between the linear SE objective function and boundary states. Consequently, SE results identical to a centralized estimator can be obtained without iterations at the coordination level. This paper presents the problem model and theoretical analysis of the proposed method, and shows its effectiveness by numerical tests.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: International Journal of Electrical Power & Energy Systems - Volume 64, January 2015, Pages 608-616
Journal: International Journal of Electrical Power & Energy Systems - Volume 64, January 2015, Pages 608-616
نویسندگان
Ye Guo, Wenchuan Wu, Boming Zhang, Hongbin Sun,