本指南描述了分布式资源（DR）或与区域配电系统互连的聚合分布式资源对区域电力系统影响的工程研究的标准、范围和范围。

This guide describes criteria, scope, and extent for engineering studies of the impact on area electric power systems of a distributed resource (DR) or aggregate distributed resource interconnected to an area electric power distribution system.