Analysis and modeling challenges induced by a growing penetration of inverter-interfaced DER

Karoui, Karim; Chuvychin, V.; Sauhats, Antans Sauļus; Samuelsson, Olof; Bollen, Math; Hatziargyriou, N.; Soultanis, N.L.

doi:10.1109/pes.2006.1709219

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2012

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“…A number of authors have devoted efforts to devise control strategies applicable to microgrids. However, most of those studies are based on phasor models for the VSI [6]. Accordingly, the filter is simply represented by a constant impedance, and as a consequence its dynamic behavior is neglected.…”

Section: Introductionmentioning

confidence: 99%

Enhanced modeling and control of VSIs in microgrids operating in grid-connected mode

Rese¹,

Costa²,

Silva³

2012

2012 IEEE PES Innovative Smart Grid Technologies (ISGT)

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This paper focus on the influence of filter dynamics on the performance and stability of current control loops of threephase, pulse-width modulation (PWM) voltage source inverters (VSIs) in grid-connected operating mode. The analysis considers the application of those devices in microgrids. Based on a detailed state-space model of VSIs and their companion filters, enhanced controller design techniques are applied in order to prevent the drawbacks of conventional microgrid control strategies. The effectiveness of the proposed control strategy is verified via computer simulations.

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Section: Introductionmentioning

confidence: 99%