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How can i determine ROCOF in multi machines power system using PSS/E ?

asked May 10 '1

souha gravatar image

i want to know how can i plot Rocof to study the effect of low inertia in a power system with hight integration of renewable energy sources

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answered May 10 '1

perolofl gravatar image

The rate of change of frequency can be plotted in the old plot program, PSSPLT, by selecting function # 17 "time derivative".

Below I plot the frequency and the ROCOF for the speed of machine 101 NUC-A in savnw network after trip a machine 3011.

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answered May 11 '1

souha gravatar image

Thanks for your help so i have to try to download PSSPLT to be able to do that is it available online ?

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PSSPLT is a part of PSSE package so you should find it in the installation folder.

perolofl gravatar imageperolofl (May 12 '1)

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Asked: May 10 '1

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Last updated: May 11 '21