Towards electronics-based emergency control in power grids with high renewable penetration

Thanh Long Vu, Spyros Chatzivasileiadis, Konstantin Turitsyn

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Abstract

Many traditional emergency control schemes in power systems accompany with power interruption, yielding severely economic damages to customers. Aiming at alleviating this remarkable drawback, this paper sketches the ideas of a viable alternative for traditional remedial controls for power grids with high penetration of renewables, in which the renewables are integrated with synchronverters to mimic the dynamics of conventional generators. In this novel emergency control scheme, the power electronics resources are exploited to control the inertia and damping of the imitated generators in order to quickly compensate for the deviations caused by fault and thereby bound the fault-on dynamics and stabilize the power system under emergency situations. The control design is based on solving convex optimization problems tractable for large scale power grids. This emergency control not only saves investments and operating costs for modern and future power systems, but also helps to offer seamless electricity service to customers. Simple numerical simulation will be used to illustrate the concept of this paper.
Original languageEnglish
Title of host publicationProceedings of American Control Conference
Number of pages7
Volume2016-
Publication date2016
Article number7526738
DOIs
Publication statusPublished - 2016
Externally publishedYes
EventAmerican Control Conference (ACC 2016) - Boston, United States
Duration: 6 Jul 20168 Jul 2016
http://acc2016.a2c2.org/

Conference

ConferenceAmerican Control Conference (ACC 2016)
CountryUnited States
CityBoston
Period06/07/201608/07/2016
Internet address
SeriesAmerican Control Conference
ISSN0743-1619

Keywords

  • Electrical and Electronic Engineering
  • power system stability
  • power convertors
  • power grids
  • power system control
  • power system security
  • electronic based emergency control
  • high renewable penetration
  • power interruption
  • integrated synchronverter
  • generator dynamics
  • power electronics
  • Generators
  • Power system stability
  • Power system dynamics
  • Mathematical model
  • Damping
  • Power grids
  • Power system transients
  • Power system control
  • Power system protection
  • Power convertors and power supplies to apparatus
  • Power electronics, supply and supervisory circuits
  • Control of electric power systems
  • Stability in control theory

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