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Standards Development Working Group

DSAPRAC - Recommended Practices for Distribution System Analysis

Many commercial software products and academic research projects continue to use analysis methods appropriate for transmission systems, but not for distribution systems. Many research papers submitted for publication still address questions that have been well-settled by previous work. The purpose of this Recommended Practice is to focus research attention on areas where legitimate needs exist, and to identify methods that should not be used in software products. The scope of the standard includes steady-state, event-based, probabilistic, stochastic, and dynamic analysis of medium-voltage (up to 35 kV) electric utility power distribution systems. Industrial and commercial power distribution systems, harmonic analysis, and electromagnetic transient analysis are all excluded. The project is active under P1729, to be completed by December 2011. The Working Group meets every summer at the IEEE PES General Meeting, and informally at each T&D or PSCE conference.

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