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

Roberts, Lewis and Kafanas, Georgios and Champneys, Alan and Di Bernardo, Mario and Bell, Keith (2015) A parametric investigation on the effects of inertia on the stability of power systems. In: 2015 IEEE Eindhoven PowerTech, PowerTech 2015. Institute of Electrical and Electronics Engineers Inc.. ISBN 9781479976935

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Abstract

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.