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Draft Guide to Conducting Distribution Impact Studies for
Distributed Resource Interconnection
Welcome to the P1547.7 Work Group (WG) site. The purpose of this site is to facilitate development of the P1547.7 draft guide while providing external communication of our progress.
Visit P1547.7 logistics for information about upcoming meetings and past meeting minutes.
IEEE P1547.7 Draft Guide to Conducting Distribution Impact Studies for Distributed Resource Interconnection.
This guide describes criteria, scope, and extent for engineering studies of the impact on area electric power systems of a distributed
resource or aggregate distributed resource interconnected to an area electric power distribution system.
The creation of IEEE Std 1547 "IEEE Standard for Interconnecting Distributed Resources with Electric Power Systems" has
led to the increased adoption of DR throughout distribution systems. This document describes a methodology for performing engineering studies
of the potential impact of a distributed resource interconnected to an area electric power distribution system. Study scope and extent are
described as functions of identifiable characteristics of the distributed resource, the area electric power system, and the
interconnection. Criteria are described for determining the necessity of impact mitigation.
Establishment of this guide allows distributed resource owners, interconnection contractors, area electric distribution power system
owners and operators, and regulatory bodies to have a described methodology for when distribution system impact studies are appropriate,
what data is required, how they are performed, and how the study results are evaluated. In the absence of such guidelines, the necessity and
extent of DR interconnection impact studies has been widely and inconsistently defined and applied.
Robert (Bob) Saint
National Rural Electric Cooperative
Mail Code: SS9-204
4301 Wilson Blvd.
Arlington, VA 22203
703 907 5863 (phone)
Thomas S. Basso
National Renewable Energy Laboratory (NREL)
1617 Cole Blvd. MS 1614
Golden, CO 80401
303 275 3753 (phone)
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(Last modified 09/12/2012 Komomua)