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Energy

Electric power / smart grid

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Displaying 76 - 100 of 288

Design and Capabilities of the Assistive Clock Fusion Testbed

February 4, 2021
Author(s)
Dhananjay Anand
The National Institute of Standards and Technology (NIST) has been working with industry and academia to develop algorithms and technologies to improve the resilience of timing subsystems used in high-performance sensing and control hardware. Resilience

Hierarchical, grid-aware, and economically optimal coordination of distributed energy resources in realistic distribution systems

December 9, 2020
Author(s)
DJ Anand, Mads Almassalkhi, Sarnaduti Brahma, Nawaf Nazir, Hamid Ossareh, Pavan Racherla, Soumya Kundu, Sai Pushpak Nandanoori, Thiagarajan Ramachandran, Ankit Singhal, Dennice Gayme, Chengda Ji, Enrique Mallada, Yue Shen, Pengcheng You
Forward-looking renewable portfolio standards will lead to extreme levels of variable solar PV in electric distribution systems, which makes reliability more challenging to maintain for distribution system operators (DSOs). To facilitate reliability under

Faster, More Accurate, Stack-Flow Measurements

February 25, 2020
Author(s)
Aaron N. Johnson, Iosif I. Shinder, Bernard J. Filla, Joey T. Boyd, Rodney A. Bryant, Michael R. Moldover, Thomaa D. Martz, Matthew Gentry
Exhaust flows from coal-fired electricity-generating-plants are determined by measuring the flue gas velocity at prescribed points in the stack cross section. These velocity measurements are made using EPA-approved differential pressure probes such as 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

Overshoot Mitigation Using the Reference Governor Framework

January 12, 2020
Author(s)
DJ Anand, Hamid Ossareh, Collin Freiheit
This paper presents a novel reference governor scheme for overshoot mitigation in a tracking control system. Our proposed scheme, referred to as the Reference Governor with DynamicConstraint (RG-DC), recasts the overshoot mitigation problem as a constraint

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

Green Button Data-Access Model for Smart Cities

December 1, 2019
Author(s)
Cuong Nguyen, Jeremy J. Roberts
The purpose of the paper is to provide a look into the lessons learned through the roll-out of the U.S. National Institute of Standards and Technology and U.S. Department of Energy Green Button electricity, natural gas, and water data-access initiative: to

A timing impairment module for electrical synchrometrology.

October 31, 2019
Author(s)
Dhananjay Anand, Marc A. Weiss, Kishan Shenoi
Accurate time is frequently cited as an enabling requirement for precisely coordinated control systems used in the electrical power system. Methods and technologies to evaluate the impact of impaired time accuracy on these control systems are frequently
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