U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Search Publications by:

Search Title, Abstract, Conference, Citation, Keyword or Author
Displaying 1 - 25 of 25

Considering Interoperability for Electric Vehicle Charging: A Commission Case Study

March 13, 2023
Author(s)
Cuong Nguyen, Avi Gopstein, Danielle Sass Byrnett, Kerry Worthington, Christopher Villarreal
As adoption of electric vehicles (EVs) increases across the United States and charging equipment to power vehicles is installed, the electricity system, states, utilities, EV manufacturers, EV supply equipment (EVSE) manufacturers, and stakeholders are

Generator Fleet Characteristics Model

February 6, 2023
Author(s)
Cheyney O'Fallon, Avi Gopstein
This manuscript presents the Generator Fleet Characteristics Model (GFCM), a general purpose tool for the analysis of power system operations, economics, and resilience. The GFCM is a collection of MATLAB functions that use publicly available data with

Benefits of Smart Grid Interoperability

December 8, 2022
Author(s)
Avi Gopstein, Cuong Nguyen, Cameron Brooks, Michael Hughes, Marguerite Behringer, Wendy Klarman, Chris Villarreal, Danielle Sass Byrnett
The electricity grid is changing. The National Institute of Standards and Technology (NIST) has indicated that operating a modern grid will involve a diverse portfolio of energy resources and multiple economic structures that will rely on, and ultimately

IEC 61850 Profile for Distributed Energy Resources Supporting IEEE 1547

May 4, 2022
Author(s)
Hasan Giray Oral, DJ Anand, Cuong Nguyen, Avi Gopstein, Christoph Brunner, Alexander Apostolov
This document provides an IEC 61850 profile for a Distributed Energy Resource supporting IEEE 1547 and the grid support functions therein. The profile utilizes the IEC 61850 data object model and maps the requirements of IEEE 1547 to the data object model

Towards An Adaptive Time-Triggered Protocol in Wireless Networks

October 19, 2021
Author(s)
Jin Zhang, Fan Liang, Wei Yu, David W. Griffith, Wenqi Guo, Avi Gopstein
Time sensitive activities occur extensively in industrial Internet of Things (IoT) environments. Classical time-triggered protocols in wired networks, such as Ethernet, have been proven effective in supporting real-time and safety-critical communications

Distributed Energy Resource Security: Potential Guidelines and Research Topics

October 6, 2021
Author(s)
Avi Gopstein, Nelson Hastings, Larry Feldman, Ravi Agarwal, Nadya Bartol
This paper describes an effort to validate the applicability of cybersecurity controls from the 2014 National Institute of Standards and Technology (NIST) Interagency Report 7628 Revision 1 (NISTIR 7628 r1) Guidelines for Smart Grid Cybersecurity to High

Use of Traveling Wave Signatures in Medium Voltage Distribution Systems for fault detection and location

August 17, 2021
Author(s)
DJ Anand, Avi Gopstein, Kumaraguru Prabakar, Lucas Monzon, Akanksha Singh, Matthew Reynolds, Yashwanth Nag Velaga, Jonathan Maack, Soumya Tiwari, Jina Roy, Colin Tombari, Ismael Mendoza Carrillo, Xinshuo Yang, Spatika Iyengar, William John
Protection systems are a critical feature for the proper operation of an electric grid. Protection systems should be able to quickly detect, identify, locate, and isolate the faults within a time frame that prevents damage to grid components and reduces

An Introduction to the NIST Smart Grid Interoperability Framework

June 1, 2021
Author(s)
Avi Gopstein
To address changes taking place in the grid, the National Institute of Standards and Technology (NIST) published an update to its Framework and Roadmap for Smart Grid Interoperability Standards. This fourth release of the Smart Grid Framework addresses

Summary Report on NIST Smart Grid Testbeds and Collaborations Workshops

March 3, 2021
Author(s)
Avi Gopstein, Allen R. Goldstein, Dhananjay Anand, Paul A. Boynton
This report captures feedback from two workshops that NIST conducted to determine the challenges and opportunities in the use and design of Smart Grid Testbeds and Collaborations, which were held April 11, 2019, at the University of Tennessee, Knoxville

NIST Framework and Roadmap for Smart Grid Interoperability Standards, Release 4.0

February 18, 2021
Author(s)
Avi Gopstein, Cuong Nguyen, Cheyney O'Fallon, Nelson Hastings, David A. Wollman
NIST's fourth framework informing America's development of the smart grid includes updates to the Smart Grid Conceptual Model, introduces new Communication Pathways Scenarios and an Ontology for the smart grid, provides guidance on cybersecurity practices

Quantifying Operational Resilience Benefits of the Smart Grid

February 9, 2021
Author(s)
Cheyney O'Fallon, Avi Gopstein
Automated systems for network protection, outage management, and restoration enable utilities to maintain service continuity through network reconfiguration even when confronted with a major hurricane. We employ a reduced form approach to evaluate the

Workshop on Smart Grid Interoperability Testing and Certification

January 31, 2020
Author(s)
Cuong T. Nguyen, Avi M. Gopstein
New smart grid architectures, devices, systems, and applications require extensive data exchange, necessitating well-defined interfaces to transfer and translate this data across the grid. Clarifying the protocols and data performance requirements across

Economics of Interoperability in the Context of Smart Grid Architectures

December 16, 2019
Author(s)
Cheyney O'Fallon, Avi Gopstein
Technological change in the electric power sector has progressed rapidly and there now is need for the development and evaluation of new smart grid architectures. This special publication discusses the current conditions of the U.S. electric grid and the

A demonstration of Low Power Wide Area Networking for city-scale monitoring applications

September 25, 2019
Author(s)
Sebastian Barillaro, Dhananjay Anand, Avi Gopstein, Julian Barillaro
Networks of sensors are key components of an Internet of Things. This paper outlines a demonstration of a wireless technology called LoRa/LoRaWAN that may be used to network sensors over a range of several kilometers. LoRa is an example of a Low Power Wide

Cybersecurity Framework Smart Grid Profile

July 9, 2019
Author(s)
Jeffrey A. Marron, Avi M. Gopstein, Nadya Bartol, Larry Feldman
The Smart Grid Profile is an initial attempt to apply risk management strategies from the Framework for Improving Critical Infrastructure Cybersecurity (Cybersecurity Framework) to the smart grid. The Profile provides cybersecurity risk management guidance

NIST Transactive Energy Modeling and Simulation Challenge Phase II Final Report

May 3, 2019
Author(s)
David G. Holmberg, Martin J. Burns, Steven T. Bushby, Avi Gopstein
The NIST Transactive Energy (TE) Modeling and Simulation Challenge for the Smart Grid (Challenge) spanned from 2015 to 2018. The TE Challenge was initiated to identify simulation tools and expertise that might be developed or combined in co-simulation

Interoperability Analysis Tool for IEC 61850-9-2 Standard-based Merging Units

February 18, 2019
Author(s)
Yuyin Song, Gerald J. FitzPatrick, Kang B. Lee, Avi M. Gopstein
Interoperability test and plugfest provide a congenial environment to test and assure interoperability of power grid devices helping to achieve equipment plug and play. However, interoperability analysis and evaluation are very time-consuming and error

A Calibration of Timing Accuracy in the NIST Cyber-Physical Systems Testbed

December 18, 2018
Author(s)
Marc A. Weiss, YaShian Li-Baboud, Dhananjay Anand, Kevin G. Brady, Paul A. Boynton, Cuong T. Nguyen, Martin J. Burns, Avi M. Gopstein
We propose a general methodology for assessing the time accuracy and uncertainties and report results from a project to calibrate timing in the NIST CPS and Smart Grid Testbeds. We measured clock synchronization accuracy and stability as well as latencies

Transactive Energy Challenge Phase II Scenario

October 23, 2018
Author(s)
David G. Holmberg, Martin J. Burns, Steven T. Bushby, Avi M. Gopstein
The TE Challenge Phase II Scenario was developed in a multi-step process in collaboration with industry experts. The Scenario includes a common electric grid definition including attached loads and generators, weather, and reporting metrics which together

Interoperability Testbed for Smart Sensors in Smart Grids

July 9, 2018
Author(s)
Yuyin Song, Gerald J. FitzPatrick, Kang B. Lee, Avi M. Gopstein, Paul A. Boynton
Interoperability testing provides a means for achieving and assuring smart sensor data interoperability. Interoperability testbeds can provide the technical foundations for standards development for smart sensors in smart grids, including standards for