NDLI: A Probabilistic Load Flow Method Considering Transmission Network Contingency

Content Provider	IEEE Xplore Digital Library
Author	Miao Lu Zhao Yang Dong Saha, T.K.
Copyright Year	2007
Description	Author affiliation: Sch. of Inf. Technol. & Electr. Eng., Univ. of Queensland, Brisbane, QLD (Miao Lu; Zhao Yang Dong; Saha, T.K.)
Abstract	A new method for probabilistic power flow considering transmission network contingency is proposed for the purpose of removing the unrealistic assumptions of conventional analytical PLF techniques. Because any component failure in a transmission network will change the system configuration, the calculation of power flow distribution needs to consider those contingencies. The method proposed in this paper is able to provide a summation of conditional probability of the load flow solutions assuming all network configurations resulted from contingencies have occurred. The proposed method is based on the combination of Cumulant method for probabilistic power flow and Logarithmic barrier interior point method type solution, which is used to estimate the statistics of load flows. By using this method, the exact level of risk can be expressed easily, which is impossible by deterministic philosophy. This method can bring more economical benefits than that of other PLF methods with respect to the costs and risk levels. The method is validated via a real large transmission system - Queensland network, with forced outages of circuits and generating units. More accurate boundary of variables is calculated with this efficient method.
Starting Page	1
Ending Page	6
File Size	415426
Page Count	6
File Format	PDF
ISBN	142441296X
ISSN	19325517
DOI	10.1109/PES.2007.385770
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-06-24
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Load flow Power system planning Power system simulation Computational modeling Probability Gaussian distribution Power system measurements Scholarships Voltage Power system analysis computing Normalized Coefficient of Probability Probabilistic Load Flow Cumulants Probabilistic Distribution function Gram-Charlier A Series
Content Type	Text
Resource Type	Article

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