Probabilistic load flow computation using the method of combined cumulants and Gram-Charlier expansion

被引：503

作者：

Zhang, P ^{[1
]}

Lee, ST ^{[1
]}

机构：

[1] Elect Power Res Inst, Palo Alto, CA 94304 USA

来源：

IEEE TRANSACTIONS ON POWER SYSTEMS | 2004年 / 19卷 / 01期

关键词：

cumulants; Gram-Charlier expansion; open access transmission and deregulated power market; power system; probabilistic load flow; probability distribution function; transmission planning;

D O I：

10.1109/TPWRS.2003.818743

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Open access transmission has created a deregulated power market and brought new challenges to system planning. This paper proposes a new method to compute a probabilistic load flow in extensive power systems for the purpose of using it as a quick screening tool to determine the major investment on improving transmission system inadequacy. This innovative method combines the concept of Cumulants and Gram-Charlier expansion theory to obtain probabilistic distribution functions of transmission line flows. It has significantly reduced the computational time while maintaining a high degree of accuracy. This enables probabilistic analysis of power flow problems to be treated objectively and allows quantitative assessment of system reliability.

引用

页码：676 / 682

页数：7

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