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A Primer on the Unintentional Islanding Protection Requirement in IEEE Std 1547-2018
This primer provides an accessible explanation of the unintentional islanding protection provisions in IEEE Std 1547-2018. It describes why preventing unintentional islanding is critical, outlines testing and detection methods, and clarifies performance requirements for distribute...
Narang, D. et al NLR
Mar 31, 2022
New Approaches to Distributed PV Interconnection: Implementation Considerations for Addressing Emerging Issues
This report discusses innovative approaches to distributed photovoltaic (PV) interconnection aimed at addressing emerging issues such as high penetrations, rapid interconnection requests, and evolving standards. It examines options like hosting capacity analysis, flexible intercon...
McAllister, R. et al Western Interstate Energy Board
Jan 31, 2019
CERTS Microgrid Demonstration With Large-Scale Energy Storage and Renewable Generation
The Consortium for Electric Reliability Technology Solutions (CERTS) Microgrid concept captures the emerging potential of Distributed Energy Resource (DER) using an automatous plug-and-play approach. CERTS views generation and associated loads as a subsystem or a “Microgrid.” ...
Alegria, E. et al Consortium for Electric Reliability Technology Solutions
Feb 28, 2014
Dispatching Grid-Forming Inverters in Grid-Connected and Islanded Mode
This paper explores the dispatchability of grid-forming (GFM) inverters in grid-connected and islanded mode. GFM inverters usually use droop control to automatically share power with other GFM sources (inverters and synchronous generators) and follow the change in the load demand;...
Wang, J. et al NLR
Dec 31, 2023
Design of a Microgrid Transition Controller II: System Recovery Under Abnormal Conditions
This paper presents a microgrid transition controller for managing emergency operation when the microgrid experiences a system blackout caused by an internal or external fault. The developed transition controller consists of various application function blocks, including normal op...
Wang, J. et al NLR
Dec 31, 2017
Revision of IEEE Standard 1547: New Disturbance Response Requirements
This resource summarizes the new disturbance-response requirements in the revised IEEE Std 1547, covering ride through capabilities, frequency and voltage excursion tolerances, and dynamic response expectations for distributed energy resources. It likely discusses how DER must res...
Walling, R. Walling Energy Systems Consulting, LLC
Jan 31, 2017
uGrid: Reliable Minigrid Design and Planning Toolset for Rural Electrification
Introduces uGrid, an open-source minigrid design and planning toolset created with minigrid developers to support rural electrification. Integrates equipment sizing and resource allocation with uGridNet for distribution network layout and reliability cost–benefit analysis, inclu...
Cicilio, P. et al Oregon State University
Nov 10, 2019
High-Penetration Photovoltaic Integration Handbook for Distribution Engineers
This handbook, produced by NREL, offers practical guidance for distribution engineers facing high penetration of photovoltaic (PV) systems on their networks. It addresses technical challenges such as voltage regulation, protection coordination, reverse power flow, and transformer ...
Seguin, R. et al NLR
Dec 31, 2015
Background Information on the Power Quality Requirements in IEEE Std 1547-2018
This document provides context for the power quality requirements contained in IEEE Std 1547-2018. It explains why limits on voltage regulation, flicker, harmonics, and unintentional islanding were specified, and how distributed energy resources should comply. The guide discusses ...
Ingram, M. et al NLR
Sep 30, 2021
Background Information on the Protection Requirements in IEEE Std 1547-2018
This resource offers explanatory background on the protection requirements outlined in IEEE Std 1547-2018, the standard governing interconnection of distributed energy resources (DER). It discusses the rationale behind protective device settings, fault detection, anti-islanding re...
Mahmud, R. and Ingram, M. NLR
Dec 31, 2021
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