Journal
IEEE TRANSACTIONS ON POWER SYSTEMS
Volume 29, Issue 4, Pages 1847-1854Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TPWRS.2013.2296505
Keywords
Correlation; point estimation method; probabilistic optimal power flow; probability distribution
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Funding
- Scientific Research Funds of the State Key Laboratory of Power Transmission Equipment & System Security and New Technology [2007DA10512710201]
- National Natural Science Foundation of China [51177178]
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This paper presents a probabilistic optimal power flow (POPF) technique considering the correlations of wind speeds following arbitrary probability distributions based on the point estimation method (PEM). Correlated wind speeds following different distributions are transformed into random variables following correlated normal distributions and then independent normal distributions so that the traditional 2m + 1 point estimation method can be applied to solve the probabilistic optimal power flow with wind speed correlations. The IEEE 14-bus system, IEEE 118-bus system and an actual utility system in the southwest of China with additional wind farms are used to demonstrate the effectiveness of the presented method.
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