NDLI: An improved version of fdlf suitable for systems with large voltage variations

Content Provider	IEEE Xplore Digital Library
Author	Singh, S.P. Raju, G.S. Rao, V.S.S.
Copyright Year	1990
Description	Author affiliation: Banaras Hindu University (Singh, S.P.)
Abstract	This paper presents a new version of Past Decoupled load flow (FDLF) which is suitable for systems with large voltage variations. This version differs from the standard one In a way the branch resistance is considered in B' and B" matrices. The branch resistances are neglected while forming the B'matrix in standard version of FDLF. This paper shows that if the resistance is considered in both B' and B" matrices the method converges faster than the standard version for systems with large voltage variations. The convergence of this new version is affected by suitable choice of convergence factor. It is found that a convergence factor of 0.9 for reactive power model makes the model still faster. The performance of this model is demonstrated by taking examples of networks of different kinds including actual utility networks with wide voltage variations. To achieve the large voltage variations in normal systems, their loads are increased by different P/sub F/ and Q/sub F/ factors. The test results reveal that the proposed version supercedes other versions for such networks.
Starting Page	67
Ending Page	70
File Size	325325
Page Count	4
File Format	PDF
DOI	10.1109/ACE.1990.762640
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1991-01-22
Publisher Place	India
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Reactive power Q factor Voltage Power system planning Power system reliability Power system modeling Convergence Load flow Electric resistance Testing
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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