A parametric investigation on the effects of inertia on the stability of power systems

Lewis Roberts, Georgios Kafanas, Alan Champneys, Mario Di Bernardo, Keith Bell

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

2 Citations (Scopus)


The increase of non-synchronous generation sources on a power network are changing the system dynamics and this can lead to problems with stability. One of the contributions to the change in system dynamics is the variation in system inertia. By approximating a traditional stability metric, the critical clearing time (CCT) in an energetic framework we conduct a parametric investigation of the effect of inertia on power system stability. A set of solid three phase to ground faults are considered on a small but not trivial power system, the two-machine infinite bus network. The performance of the approximated CCT is compared to the true CCT.

Original languageEnglish
Title of host publication2015 IEEE Eindhoven PowerTech, PowerTech 2015
Number of pages6
Publication statusPublished - 31 Aug 2015
EventIEEE Eindhoven PowerTech, PowerTech 2015 - Eindhoven, Netherlands
Duration: 29 Jun 20152 Jul 2015


ConferenceIEEE Eindhoven PowerTech, PowerTech 2015


  • critical clearing time
  • direct methods
  • two machine infinite bus
  • variable inertia


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