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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
Cyber-Physical Test Platform for Microgrids: Combining Hardware, Hardware-in-the-Loop, and Network-Simulator-in-the-Loop
This paper presents a cyber-physical testbed, developed to investigate the complex interactions between emerging microgrid technologies such as grid-interactive power sources, control systems, and a wide variety of communication platforms and bandwidths. The cyber-physical testbed...
Nelson, A. et al NLR
Dec 31, 2015
MHKiT (Marine and Hydrokinetic Toolkit)
MHKiT is an open-source software package developed by NREL, Pacific Northwest National Laboratory (PNNL), and Sandia National Laboratories for processing, analyzing, and visualizing data from marine and hydrokinetic (MHK) energy systems. The toolkit includes modules for resource c...
NREL, P. NLR
Dec 31, 2018
User Objectives and Design Approaches for Microgrids: Options for Delivering Reliability and Resilience, Clean Energy, Energy Savings, and Other Priorities
This briefing paper, produced by NARUC and NASEO's Microgrids State Working Group, explores why different customers pursue microgrids and how design choices affect outcomes. Microgrids can operate in grid-connected or islanded mode, using local generation, storage and controls to ...
National Association of Regulatory Utility Commissioners, N.
Dec 31, 2020
Integrated Synchronization Control of Grid-Forming Inverters for Smooth Microgrid Transition
This paper develops an integrated synchronization control technique for a grid-forming inverter operating within a microgrid that can improve the microgrid's transients during microgrid transition operation. This integrated synchronization control includes the disconnection synchr...
Wang, J. et al NLR
Jul 31, 2019
Clause-by-Clause Summary of Requirements in IEEE Std 1547-2018
This summary document distills the key requirements of the IEEE Std 1547-2018, the standard that defines the interconnection and interoperability criteria for distributed energy resources with electric power systems. Organized by clause, it outlines technical specifications relate...
Narang, D. et al NLR
Feb 29, 2020
DERMS Online: A New Voltage Sensitivity-Enabled Feedback Optimization Framework
Demonstrates a perturb and observe voltage sensitivity method to reformulate nonlinear control into tractable LP problems for real-time operation. Evaluates performance and discusses deployment considerations for distribution systems with high DER penetration.
Yao, Y. et al NLR
Jan 01, 2022
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
An Overview of Issues Related to IEEE Std 1547-2018 Requirements Regarding Voltage and Reactive Power Control
This overview discusses the voltage and reactive power control provisions of IEEE Std 1547-2018 and highlights implementation challenges for distributed energy resource interconnections. It covers topics such as voltvar control curves, ride through capabilities, coordination with ...
Narang, D. et al NLR
Aug 31, 2021
Community Microgrids: A Guide for Mayors and City Leaders Seeking Clean, Reliable and Locally Controlled Energy
This guide from Microgrid Knowledge assists mayors and city leaders in understanding, planning, and developing community microgrids. It explains microgrid concepts, benefits, ownership models, financing options, and policy considerations. The guide offers case studies, practical s...
Microgrid Knowledge
Dec 31, 2016
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