Methodology for Computation of Online Voltage Stability Assessment

Mazhar Ali, Elena Gryazina, Konstantin S. Turitsyn

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Citation (Scopus)

Abstract

Online voltage stability analysis is one of the essential element for the robust operation of the power systems. Voltage stability limit is described by the margin of the current operating point to the voltage collapse or saddle-node bifurcation point where the real solution to power flow equations disappears. Whereas the online analysis is required for updating the distance to voltage collapse point in real time as the state of the system changes due to some disturbance or contingencies and has a constraint on computational time. In this manuscript, we propose a computationally efficient algorithm for online voltage stability analysis to update the margin to voltage collapse in real time by using the information from the base case collapse point and in time measurements. The proposed algorithm is based on the Newton-Corrector approach in which the system of power flow equations is solved with an additional parametrization equation. Implementation of the algorithm is described in details, and its performance is validated on several IEEE cases.

Original languageEnglish
Title of host publicationProceedings - 2018 IEEE International Conference on Environment and Electrical Engineering and 2018 IEEE Industrial and Commercial Power Systems Europe, EEEIC/I and CPS Europe 2018
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781538651858
DOIs
Publication statusPublished - 16 Oct 2018
Event2018 IEEE International Conference on Environment and Electrical Engineering and 2018 IEEE Industrial and Commercial Power Systems Europe, EEEIC/I and CPS Europe 2018 - Palermo, Italy
Duration: 12 Jun 201815 Jun 2018

Publication series

NameProceedings - 2018 IEEE International Conference on Environment and Electrical Engineering and 2018 IEEE Industrial and Commercial Power Systems Europe, EEEIC/I and CPS Europe 2018

Conference

Conference2018 IEEE International Conference on Environment and Electrical Engineering and 2018 IEEE Industrial and Commercial Power Systems Europe, EEEIC/I and CPS Europe 2018
Country/TerritoryItaly
CityPalermo
Period12/06/1815/06/18

Keywords

  • Bifurcation Point
  • Newton-Raphson
  • Voltage collapse

Fingerprint

Dive into the research topics of 'Methodology for Computation of Online Voltage Stability Assessment'. Together they form a unique fingerprint.

Cite this