دانلود رایگان مقاله انگلیسی, استراتژی کنترل چند منظوره برای عملکرد پایدار واحدهای DG در شبکه هوشمند

A Multifunction Control Strategy for the Stable Operation of DG Units in Smart Grids

سال انتشار : 2015

نوع مقاله : IEEE JOURNALS & MAGAZINES

تعداد صفحات : 10

Abstract—This paper describes the development of a multifunction

control strategy for the stable operation of distributed

generation (DG) units during the integration with the power grid.

The proposed control model is based on direct Lyapunov control

(DLC) theory and provides a stable region for the proper

operation of DG units during the integration with the power

grid. The compensation of instantaneous variations in the reference

current components in ac-side and dc-voltage variations

in the dc-side of the interfacing system are adequately considered

in this control plan, which is the main contribution and

novelty of this paper in comparison with previous control strategies.

Utilization of the DLC technique in DG technology can

confirm the continuous injection of maximum active power in

fundamental frequency from the DG source to the power grid,

compensating all the reactive power and harmonic current components

of grid-connected loads through the integration of DG

link into the grid. Application of this concept in smart grids

system can guarantee to reduce the stress on the utility grid

during the peak of energy demand. Simulation and experimental

test results are presented to demonstrate the proficiency and

performance of the proposed DLC technique in DG technology.

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