NDLI: Direct Methods for Transient Stability Assessment in Power Systems Comprising Controilable Series Devices

Content Provider	IEEE Xplore Digital Library
Author	Gabrijel, Uros Mihalic, Rafael
Copyright Year	1981
Abstract	New energy functions that incorporate the action of controllable series devices (CSD) are presented. They make it possible for the direct method to acquire the critical clearing time (COT) of a single-machine infinite-bus (SMIB) power system and the certain series Flexible AC Transmission Systems (FACTS) devices directly. Dealing with this matter, optimal control strategies for the controllable series compensation (CSC) and the static synchronous series compensator (SSSC) are first derived. These and later tasks make use of the advantages of mathematical models that represent the controllable parameter of a FACTS device in relation to the transmitted real power through the given line. Using the derived control laws and some assumptions, Lyapunov-like energy functions were carried out. The results of a numerical example attained by a direct method and a digital simulation are shown to be promising. The final consideration suggests where future efforts should be directed.
Starting Page	58
Ending Page	58
Page Count	1
File Size	357537
File Format	PDF
ISSN	02721724
Volume Number	22
Issue Number	9
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-09-01
Publisher Place	U.S.A.
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Power system transients Power system stability Power system modeling Control systems Wind turbines Robust control Power system measurements Power system control Damping Power system dynamics transient stability FACTS controllable series devices SSSC CSC control strategy Lyapunov energy function critical clearing time
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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