NDLI: Dynamic analysis of transition into island conditions of Slovenian power system applying underfrequency load shedding scheme

Content Provider	IEEE Xplore Digital Library
Author	Rudez, U. Mihalic, R.
Copyright Year	2009
Description	Author affiliation: Electrical Engineering, University of Ljubljana, Ljubljana, 1000, Slovenia (Rudez, U.; Mihalic, R.)
Abstract	Electricity blackout can be treated as critical situation of any country in economical, political, and security point of view. Therefore, underfrequency load shedding is one of the most important protection systems, as in many cases it is the last measure for preventing system blackout after serious disturbances occur in the power system. First, the static analysis of Slovenian power system has been performed to determine most probable islands in Slovenian system. Next, the dynamic analysis of one of these islands has shown, that the frequency gradient alone can give very misleading information about the active power deficit in an island. Several other variables must also be taken into account. Finally, a draft of a gradient based underfrequency load shedding scheme is presented, which highlights the gradient use problems and shows the potential of considering second frequency gradient as an indication of turbine governor response.
Starting Page	1
Ending Page	6
File Size	811333
Page Count	6
File Format	PDF
ISBN	9781424422340
DOI	10.1109/PTC.2009.5282175
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-06-28
Publisher Place	Romania
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Power system dynamics Power system analysis computing Power system protection Power system security Power system measurements Frequency Power system economics Power generation economics Power measurement Performance analysis dynamic analysis Load shedding frequency response island operation
Content Type	Text
Resource Type	Article

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