Blog Archives

ORNL-FERC Reports Weblink

http://www.ornl.gov/sci/ees/etsd/pes/ferc_emp_gic.shtml

The technical reports that comprise this study and the major issues covered are as follows:

 

Geomagnetic Storms and Their Impacts on the U.S. Power Grid (Meta-R-319), John Kappenman, Metatech Corporation, January 2010.

Overview of geomagnetic storms and past effects on the power grid

March 13, 1989 geomagnetic storm and its impact

Geomagnetic storm scenarios and effects on the U.S. power grid

At-risk EHV transformers

 

The Early-Time (E1) High-Altitude Electromagnetic Pulse (HEMP) and Its Impact on the U.S. Power Grid (Meta-R-320), Edward Savage, James Gilbert and William Radasky, Metatech Corporation, January 2010.

Overview of the E1 early time HEMP wave

History of E1 HEMP experience

How the E1 wave is generated

Coupling of E1 to lines

Electronic device vulnerability to the E1

Main concerns of the E1 on the power grid

Recommendations for protection approaches

 

The Late-Time (E3) High-Altitude Electromagnetic Pulse (HEMP) and Its Impact on the U.S. Power Grid (Meta-R-321), James Gilbert, John Kappenman, William Radasky and Edward Savage, Metatech Corporation, January 2010.

The E3 late time HEMP and effects on the power grid

Mechanism of E3 creation and coupling to the power grid

HEMP burst impact scenarios over the United States

Potential impact on grid equipment

Potential impact on transformers

 

Low-Frequency Protection Concepts for the Electric Power Grid:

Geomagnetically Induced Current (GIC) and E3 HEMP Mitigation (Meta-R-322), John Kappenman, Metatech Corporation, January 2010.

GIC and E3 protection techniques for the high voltage portion of the Grid, including: series capacitors, neutral blocking capacitors and neutral blocking resistors

 

Intentional Electromagnetic Interference (IEMI) and Its Impact on the U.S.

Power Grid (Meta-R-323), William Radasky and Edward Savage, Metatech Corporation, January 2010.

IEMI background information

Types of electromagnetic (EM) weapons

EM coupling to systems

Susceptibility of equipment to IEMI

Specific aspects of IEMI threats to the power grid

 

High-Frequency Protection Concepts for the Electric Power Grid (Meta-R-324), William Radasky and Edward Savage, Metatech Corporation, January 2010.

High frequency protection methods

E1 and IEMI impacts on power delivery systems

Identification of protection steps

The approach of the solar maximum is an urgent reminder that power grids everywhere are more vulnerable than ever to geomagnetic effects.

Click Here to read my full article…

 

Here’s a video I shot a few days ago detailing the Geomagnetic Storm that occurred in 1989.

 

Also check out “The Looming Threat of a Solar Superstorm” by Lee Billings.

 

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Geomagnetic storm expert John Kappenman covers the magnitude of yesterday’s storm in this video interview with Josh Romero of ieee Spectrum.

 

Read the full article by Josh Romero here…