NDLI: Interline dynamic voltage restorer: a novel and economical approach for multiline power quality compensation

Content Provider	IEEE Xplore Digital Library
Author	Vilathgamuwa, D.M. Wijekoon, H.M. Choi, S.S.
Copyright Year	1972
Abstract	Voltage deviations, often in the form of voltage sags, can cause severe process disruptions and result in substantial economic loss. The dynamic voltage restorer (DVR), a custom power device, has been proposed to protect sensitive loads from the effects of voltage sags on the distribution feeder. One of the main factors which limits capabilities of a particular DVR in compensating long-duration voltage sags is the amount of stored energy within the restorer. This paper proposes a new concept of interline dynamic voltage restoration (IDVR) where two or more DVRs in different feeders are connected to a common dc link. While one of the DVRs compensates for a voltage sag, the other DVRs connected to a common dc Link replenish the dc-link energy storage. A current-mode control strategy is incorporated into the IDVR system in both working modes, voltage sag compensation and power flow control. The reference voltage for power flow control mode is derived from instantaneous active current calculated using the dc-link voltage error signal. Simulation results are presented for a simple system in order to demonstrate the efficacy of the proposed IDVR system.
Sponsorship	IEEE Industry Applications Society
Starting Page	1678
Ending Page	1685
Page Count	8
File Size	409363
File Format	PDF
ISSN	00939994
Volume Number	40
Issue Number	6
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-11-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Power generation economics Power quality Voltage fluctuations Energy storage Reactive power Power supplies Power system protection Voltage control Control systems Load flow control voltage sag Current-mode control phase-angle advance series compensation
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Control and Systems Engineering Electrical and Electronic Engineering

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