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Scope
This guide provides information on, and examples of, how to apply IEEE Std 1547-2018 for the interconnection of energy storage distributed energy resources (ES DER). The guide’s scope includes ES DER that are interfaced to an electric power system (EPS) via a power electronic interface (commonly referred to as a converter, inverter, or bidirectional inverter), capable of bidirectional active and reactive power flow, and capable of exporting active power to the EPS. The document also provides guidance for non-exporting ES DER that could have power system impacts, e.g., modulating load proportionally to system frequency, such as some uninterruptible power supply (UPS) systems and electric vehicle (EV) chargers.
Purpose
The purpose of this guide is to provide guidance on prudent and technically sound approaches to interconnection of ES DER to power systems. This guide also considers ES-related topics not currently addressed or fully covered in IEEE Std 1547-2018:- Guidance for interconnection of EV charging stations with the ability for exporting (i.e., bidirectional active or reactive power exchange) to the connected power system [i.e., vehicle-to-grid (V2G)].- Guidance on when ES is or is not within the scope of IEEE Std 1547-2018. For example, this guide expands on the exceptions for systems that are non-exporting, e.g., UPS that receive energy from the grid, but use it only for premise loads while off-grid.- Guidance on charging and generation constraints to minimize negative impacts in the distribution system.This guide also sets a basis for future development of industry best practices for ES DER-specific interconnection requirements that could be considered in future revisions of IEEE Std 1547.
Abstract
New IEEE Standard - Active.Application of IEEE Std 1547-2018 to the interconnection of energy storage distributed energy resources (ES DER) to electric power systems (EPSs) is described in this guide. Along with examples of such interconnection, guidance on prudent and technically sound approaches to these interconnections is also given. The guide’s scope includes ES DER that are capable of exporting active power to an EPS. The guide also considers energy storage-related topics that are not currently addressed or fully covered in IEEE Std 1547-2018 and sets a basis for future development of industry best practices for ES DER-specific interconnection requirements that could be considered in future revisions of IEEE Std 1547.
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