NDLI: Operational reliability evaluation of power system with wind farm based on probabilistic load flow

Content Provider	IEEE Xplore Digital Library
Author	Ma Yanfeng Hao Yi Ding Guanhua Sun Shuai
Copyright Year	2014
Abstract	Considering the fact that the operating condition of power system with wind farm is more complicated and variable, this paper uses probabilistic load flow (PLF)method and non-sequential Monte-Carlo simulation to analyze the operational reliability. Firstly, combining the historical statistical data of system components' outage rate and the operating characteristics of current system statement, this paper uses bus voltage and branch power flow as real-time operating variables to develop the real-time outage model for conventional generators and lines. As for the output of wind power's forecast, Beta distribution can well match the conditional probability of actual output of wind power with a given predictive value within short period. And then, the load-cutting model is improved by introducing bus real-time importance. Finally, the operational reliability of power system with wind farm is evaluated by calculating expected demand not supplied(EDNS)and the probability of system low voltage(PSLV) as indexes. The effectiveness of the models and method presented in this paper is tested by the modified IEEE-RTS79 system.
Starting Page	556
Ending Page	562
File Size	909583
Page Count	7
File Format	PDF
ISBN	9781479950324
DOI	10.1109/POWERCON.2014.6993763
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-10-20
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Load flow Load modeling Power system reliability Reliability Real-time systems Power system stability Wind farms evaluation wind farm probabilistic load flow real-time outage model load-cutting model operational reliability
Content Type	Text
Resource Type	Article

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