NDLI: Maximizing power system stability through wide area protection

Content Provider	IEEE Xplore Digital Library
Author	Karlsson, D. Broski, L. Ganesan, S.
Copyright Year	2004
Description	Author affiliation: ABB Autom., Sweden (Karlsson, D.)
Abstract	This paper describes basic principles and purpose for applying wide area protection schemes, also known as remedial action schemes (RAS) or system protection schemes (SPS). In the areas of power system automation and substation automation, there are two different trends: centralization and decentralization. More and more dynamic functions are moving from local and regional control centers towards central or national control centers. At the same time we also observe more "intelligence" and "decision-power" moving closer towards the actual power system substations. Greater functional integration is being enclosed in substation hardware. This raises discussions concerning reliability (security and dependability). The main targets for this paper are to: (1) sort out the terminology used in this area; (2) describe different application areas and related requirements; (3) illustrate different design principles - "top-down", "bottom-up", hierarchy, flat, etc., for different applications; (4) identify similarities and differences between classic equipment protection and system protection -concerning philosophy as well as concerning product and system design; and (5) show the value of wide area protection; (6) illustrate the great breakthrough for wide area protection, since the introduction of synchronized phasor measurements, based on PMUs (phasor measurement units).
Starting Page	403
Ending Page	418
File Size	1484823
Page Count	16
File Format	PDF
ISBN	0780384326
DOI	10.1109/CPRE.2004.238557
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-04-01
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Texas A&M University
Subject Keyword	Power system stability Power system protection Substation protection Power system dynamics Substation automation Centralized control Automatic control Power system reliability Power system security Phasor measurement units
Content Type	Text
Resource Type	Article

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