Power-imbalance allocation control of power systems: A frequency bound for time-varying loads

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5 Citations (Scopus)

Abstract

For secondary frequency control of power systems with lossless networks, we proposed a method named Power-Imbalance Allocation Control (PIAC) to restore the nominal frequency after a disturbance. PIAC has shown a good transient performance where under a constant power imbalance, the overshoot problem and unnecessary oscillations of frequencies are eliminated. In this paper, we evaluate the performance of PIAC on power systems with time-varying power imbalance, which is more realistic since the power supply and load are continuously changing. Analysis and numerical simulations show that PIAC is able to closely track the power imbalance and effectively controls the global frequency to a desired range for slowly changing and Lipschitz-continuous power imbalance.
Original languageEnglish
Title of host publicationProceedings of the 36th Chinese Control Conference
PublisherIEEE
Pages10528-10533
Number of pages6
ISBN (Electronic) 978-988-15639-3-4
ISBN (Print)978-1-5386-2918-5
DOIs
Publication statusPublished - 2017
Event36th Chinese Control Conference - Dalian, China
Duration: 26 Jul 201728 Jul 2017

Conference

Conference36th Chinese Control Conference
CountryChina
CityDalian
Period26/07/1728/07/17

Keywords

  • Power systems
  • Secondary frequency control
  • Coordination control
  • Economic power dispatch
  • Transient performance

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