Exploiting phase cohesiveness for frequency control of islanded inverter-based microgrids

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In this paper, we propose a generation control strategy for islanded lossless microgrids with inverter-interfaced generators. In particular, we address the problem of obtaining a desired active power load sharing while regulating the frequency to some nominal value. The proposed control strategy is based on the slow readjustment of the active power reference of each inverter, i.e., each inverter aims to track a slowly-varying reference that is set sufficiently close to the actual active power injection, and, thus easy to track. The control enforces the trajectory to satisfy the so-called phase-cohesiveness property, i.e., the absolute value of the voltage phase angle difference across electrical lines is smaller than π/2, which ensures the system remains stable at all times, while achieving the desired active power load sharing. We also propose a method to find the active power reference distributively which satisfies the phase-cohesiveness property for tree networks as well as for some cyclic networks.

Original languageEnglish (US)
Title of host publication2016 IEEE 55th Conference on Decision and Control, CDC 2016
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages4214-4219
Number of pages6
ISBN (Electronic)9781509018376
DOIs
StatePublished - Dec 27 2016
Event55th IEEE Conference on Decision and Control, CDC 2016 - Las Vegas, United States
Duration: Dec 12 2016Dec 14 2016

Publication series

Name2016 IEEE 55th Conference on Decision and Control, CDC 2016

Other

Other55th IEEE Conference on Decision and Control, CDC 2016
CountryUnited States
CityLas Vegas
Period12/12/1612/14/16

ASJC Scopus subject areas

  • Artificial Intelligence
  • Decision Sciences (miscellaneous)
  • Control and Optimization

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