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A full Newton approach to consider reactive power generation limits in power flow problem using sigmoid switches

2018 Simposio Brasileiro de Sistemas Eletricos (SBSE), 2018
In this paper, a new full Newton methodology to represent the reactive power generation limits in the Power Flow problem is proposed. This approach consists of using a set of Sigmoid Switches that incorporates new equations into the problem formulation. Thus, the equations representing the reactive power limits are incorporated into the Jacobian Matrix.
Rafael de P. Pontes +2 more
openaire +1 more source

Reactive power control strategy for inverter-based distributed generation system with a programmable limit of the voltage variation at PCC

8th International Conference on Power Electronics - ECCE Asia, 2011
In a grid connected distributed generator, the voltage variation problem at the point of common coupling(PCC) is investigated. This is one of the most frequent power quality issues for the grid connection of large amount of the input power into a weak grid.
Ji-Hoon Im +5 more
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Decoupled control of real and reactive power by limiting the DC-link fluctuation for a doubly fed induction generator

International Conference on Sustainable Energy and Intelligent Systems (SEISCON 2011), 2011
This paper brings out an enhanced control technique for reactive power control of a Wind Generator using a grid-side converter control. The dynamic model of DFIG is developed through d-q reference frame. The back-to-back converter are modulated with SPWM and SVM techniques and hence compared.
P.M. Balaji, R. Gnanadass, B.R. Reddy
openaire +1 more source

Synchronous Generator Excitation Loss Detection Based on Reactive Power Flow Limit