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Study of Transmission System with Wind Power Control and Optimal Reactive Power Flow DOI:10.12915/pe.2014.07.017

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This paper presents a methodology of controlling the power injected into system by wind generators and the use of Optimal Reactive Power Flow (ORPF). The methodology used two stages: in the first one scheme for Doubly-Fed Induction Generator (DFIG) is realized to control the active and reactive powers, in the second stage, the ORPF based in the Modified Barrier Lagrangian Function approach (MBLF) is used to optimize reactive power dispatch aiming to minimize active power losses system. Case studies on the modified IEEE 14 bus "modified" clearly shows the benefits of using the associated generator control whit ORPF. Streszczenie. Artykuł przedstawia metodologię sterowania dołączaniem energii z elektrowni wiatorwych do systemu energetycznego oraz użytkowania algorytmu RRPF - Optimal Reactive Energy Flow. W pierwszym etapie analizowano sterowanie generatorem typu DFIG w celu kontroli mocy biernej i czynnej, w drugim etapie wykorzystano metodę MBLF (Modified Barrier Lagrangian Function) do optymalizowania mocy biernekj w systemie. Analiza systemu energetycznego ze sterowaną mocą elektrowni wiatrowych i optymalnym przesyłem mocy Keywords: Optimal Reactive Power Flow; Wind Power Control; Transmission System Słowa kluczowe: optymalizacja mocy biernej, sterowanie mocą, system energetyczny. doi:10.12915/pe.2014.07.17 1. Introduction Year after year technology and society´s "eco-thoughts" evolved together, bringing out new concepts such as sustainability and green corporative compliances. The human development and the access of technology makes energy demands continuously grows while natural sources like: oil, coal and gas becomes low . World consumption of electrical energy will increase by 84% between 2008-2035 [1], while in Brazil the increase will be 4.6% between 2010- 2020 [2]. At this scenario smart grids involving hybrids power generation systems into distributed power generation created a new era for energy distribution. These sy[...]

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