NDLI: UPFC model for stability calculations with decoupled watt-VAr control system

Content Provider	IEEE Xplore Digital Library
Author	Papic, I.
Copyright Year	1998
Description	Author affiliation: Fac. of Electr. Eng., Ljubljana Univ., Slovenia (Papic, I.)
Abstract	The model of a unified power flow controller-UPFC-for stability calculations with the decoupled watt-VAr control system is described in the paper. In the UPFC single line diagram voltage source converters are represented by two phasor equivalent voltage sources which are mutually dependent. For transient stability studies, with the exception of electrical circuits of synchronous machines and controllers, the electrical network is conventionally represented by its algebraic phasor equations. Thus for transient stability studies the UPFC power circuit can be represented by the phasor equivalent model. However, during transient studies, the DC-capacitor of the UPFC exchanges energy with the system and consequently its voltage varies. Variation of the DC-voltage is determined by the UPFC controls and their limits. The derived UPFC model for stability calculations with the decoupled control of active and reactive power for both converters was tested in the NETOMAC program system.
Starting Page	1124
Ending Page	1127
File Size	424786
Page Count	4
File Format	PDF
ISBN	078036290X
DOI	10.1109/MELCON.2000.879732
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-05-29
Publisher Place	Cyprus
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Control system synthesis Power system transients Circuit stability Power system modeling Reactive power Power transmission lines Power generation Voltage control Load flow Synchronous machines
Content Type	Text
Resource Type	Article

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Dynamic decoupled compensator for UPFC control

Analysis and Comparison of two Control Strategies for UPFC

Optimal parameters of UPFC for power flow

UPFC operations under stressed system conditions

Simulation of UPFC

Effect of UPFC on Voltage Stability Margin

Modeling and controlling of a new FACTS device (C-UPFC) for transmission line applications

A new method for small signal modeling of UPFC

Analysis of voltage collapse in the Kerala power grids using SVC, UPFC & SSSC

UPFC model for stability calculations with decoupled watt-VAr control system

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Analysis and Comparison of two Control Strategies for UPFC

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