Number 3/28 (September 2016)

Model Tests of Under Frequency Load Shedding (UFLS) for Connected Systems of Continental Europe

Publication date: 2016-09-30
DOI: DOI: 10.12736/issn.2300-3022.2016306
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Keywords: frequency model, study the impact of dispersed generation, UFLS optimization settings, ENTSO-E guidelines

The task force set up by working group System Protection and Dynamics within ENTSO-E model tests of Under Frequency Load Shedding (UFLS) for connected systems of continental Europe were carried out. Over 360 simulation scenarios were performed  including 16 strategies UFLS, 2 variants of load, 6 types of contingency, with and without considering the impact of dispersed generation. On the basis of calculation results conditions for improving the effectiveness of the UFLS were specified,, including recommended changes of UFLS settings, necessary to achieve this aim. The following report contains a summary description of the test method together with the presentation of selected results of summary calculations and conclusions of the study.

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