Application of a Damping Torque Analysis index for coordinated tuning of stabilisers in a large power grid

Hui Cai, Timothy Littler, J.H. Huang, Z.J. Xie

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Abstract

This paper considers the coordinated tuning of stabilisers attached to the primary control loop of a Synchronous Generator (SG), Doubly Fed Induction Generator (DFIG) and Energy Storage System (ESS) in a large-scale electric power grid. The indices obtained from a Damping Torque Analysis (DTA) method are used to evaluate the impact of different stabilisers subject to a range of low-frequency oscillations. According to the DTA Indices, a coordinated stabiliser-tuning strategy is proposed. Selected stabilisers are tuned effectively to dampen target oscillations without rendering eigenvalue drift. The damping ratios of interarea oscillation modes and local modes can be increased beyond nominal values, without time-intensive and redundant-stabiliser adjustment.
Original languageEnglish
Title of host publicationProceedings of the IEEE Power Engineering Society General Meeting (PESGM 2014)
Publisher IEEE
ISBN (Electronic)978-1-4799-6415-4
DOIs
Publication statusPublished - 31 Jul 2014
EventIEEE Power & Energy Society General Meeting, 2014 (PES 14) - USA, Washington DC, United States
Duration: 27 Jul 201431 Jul 2014

Conference

ConferenceIEEE Power & Energy Society General Meeting, 2014 (PES 14)
CountryUnited States
CityWashington DC
Period27/07/201431/07/2014

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