EMP & GMD power grid Mitigation
The SolidGround® Neutral Blocking Device (NBD) also referred to as a GIC Blocker or a capacitive GIC Reduction device (GRD), has been extensively studied, installed and has been operating on the grid as designed for many years with no negative effects.
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2024 Critical Infrastructure Protection News - SolidGround® is the tested solution
2024 Secure the Grid Coalition - comments to Secretary of Energy re: SolidGround®
2023 Western Area Power Admin. article on SolidGround® - Closed Circuit, April 2023
2022 SolidGround® circuit study - effectively dampens potential ferroresonance, Malaysia
2020 Center for Security Policy - Neutral Blocking (NBDs) as immediate priority (p.4-6)
2020 Foundation for Resilient Societies - prioritize GMD/E3 protection (NBD’s p.50-51, 63)
2020 Oak Ridge Lab - Distance protection relays operate properly w/ SolidGround® NBD’s
2019 SolidGround® selected for DOE/EPRI projects per Presidential Executive Order 13744
2019 American Transmission Company Update on the Performance of SolidGround®
2019 EPRI Technical Report - Mitigation for EMP - highlights SolidGround® (Fig. 5-12)
2019 U.S. Senate Committee - Testimony on SolidGround® - Vespalec (American Trans.Co)
2018 SolidGround® Operating Experience and EMP Upgrades, Faxvog, Dahman, Fuchs
2018 Janney recommends SolidGround® to protect transformers from EMP/GMD (p. 10)
2017 American Transmission Company Presentation on the Performance of SolidGround®
2017 SolidGround® Operating Experience in Wisconsin, Faxvog, Wojtczak, Marz, Dahman
2017 SARA, Inc. -EMP Black Sky Response of Power Equipment, SolidGround® on pg. 79
2015 EPRI-Geomagnetically-Induced Current (GIC) Reduction Device Application Guide
2014 EPRI-Geomagnetic Disturbance (GMD) Neutral Blocking Device Analysis
2013 ABB, Inc. - SolidGround® needed to protect transformers feeding Data Centers
2013 Power Grid Protection against GMD using SolidGround®, Faxvog, Rooney, Fuchs
2013 U.S. DoD/DTRA E3 live grid test results of SolidGround® @ Idaho Nat. Lab
2012 Emprimus signs Global Licensing Agreement with ABB for SolidGround®
2011 University of Manitoba simulation of SolidGround® performance on the Grid
2011 Power Grid Protection against GIC Using Capacitive Grounding Circuit, Faxvog
THREAT: GMD and EMP E3
2024 The superstorms from space that could end modern life, BBC, O’Callaghan
2021 Department of Energy - HEMP Waveform Benchmarks (E3a - 80 V/km, E3b - 50 V/km)
2019 Observations warn Carrington level GMD’s occur more frequently, Space Weather
2019 U.S. Senate Roundtable - Small GMDs cause $10 Billion in loss/year, Kasper, PhD
2017 Risk-Based National Infrastructure Protection Priorities for EMP and GMD, Baker
2017 Examination of NERC GMD Standards/Ground Models/Geo-Electric Fields, Radasky
2017 Report to the Commission to Assess Threat to U.S. from an EMP Attack, Vol. 1
2017 Report to the Commission to Assess Threat to U.S. from an EMP Attack, Vol. 11
2017 High Consequence Scenarios for North Korean Atmospheric Nuclear Tests
2017 Quantifying daily economic impact of extreme space weather, Oughton
2016 AIG, University of Cambridge Centre for Risk Studies Helios Solar Storm Scenario
2015 Testimony before U.S. House Committee on National Security re EMP(E3), Baker
2015 Zurich-Study on Electrical Claims and Space Weather-Schrijver-Dobbins
2014 EPRI-Analysis of Geomagnetic Disturbance (GMD) Related Harmonic
2014 Assessing the Impact of Space Weather on the Electric Grid-Schrijver-Space_Weather
2013 Lloyd's-Solar Storm Risk to the North American Electric Grid
2012 Space Weather-Generation of 100-year GIC scenarios, Pulkkinen
2012 GMD Modeling - A Method for Large Scale System Studies, Overbye
2011 Quantifying extreme behavior in GMD (6,000 nT/min.), Space Weather, Thomson
2010 Geomagnetic Storms and Their Impacts on the U.S. Power Grid, Kappenman
2010 Late-Time (E3) High Altitude EMP and its impact on Power Grid-Metatech
2008 Report of the Commission to Assess Threat to U.S. from an EMP Attack
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