A Modified Control Scheme of Droop-Based Converters for Power Stability Analysis in Microgrids | Zendy

Igor Usunariz | Zendy; Mikel Santamaría | Zendy; Konstantina Mentesidi | Zendy; Mónica Aguado | Zendy

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A Modified Control Scheme of Droop-Based Converters for Power Stability Analysis in Microgrids

Author(s) -

Igor Usunariz,

Mikel Santamaría,

Konstantina Mentesidi,

Mónica Aguado

Publication year - 2015

Publication title -

journal of solar energy

Language(s) - English

Resource type - Journals

eISSN - 2356-7635

pISSN - 2314-6230

DOI - 10.1155/2015/393527

Subject(s) - algorithm , computer science , voltage droop , converters , power (physics) , physics , thermodynamics , voltage regulator

Microgrid is principally an active distribution network since it aggregates numerous DG systems through their interface converters and different loads at distribution level. This paper discusses the power sharing in autonomous AC-microgrid infrastructure by common P-f and Q-V˙ droop control schemes on parallel-connected converters. Moreover, this research work proposes a frequency and voltage restoration mechanism through the utilization of secondary control. Experimental results are presented for a two-50 kVA parallel-connected converter-based system, demonstrating the necessity for the proper operation of the secondary control in order to monitor the system’s capability to withstand any perturbations that may occur and to ensure the system’s security

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