Method and apparatus for detecting cyber attacks on an alternating current power grid

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Title: Method and apparatus for detecting cyber attacks on an alternating current power grid

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Abstract

A method and apparatus for detecting cyber attacks on remotely-operable elements of an alternating current distribution grid. Two state estimates of the distribution grid are prepared, one of which uses micro-synchrophasors. A difference between the two state estimates indicates a possible cyber attack.

Inventors:: McEachern, Alexander; Hofmann, Ronald

Issue Date:: 2017-04-11

Research Org.:: Power Standards Lab, Alameda, CA (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1350990

Patent Number(s):: 9621569

Application Number:: 14/869,865

Assignee:: McEachern, Alexander (Oakland, CA)

Patent Classifications (CPCs):: H - ELECTRICITY H04 - ELECTRIC COMMUNICATION TECHNIQUE H04L - TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION

H - ELECTRICITY H02 - GENERATION H02J - CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER

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H - ELECTRICITY H04 - ELECTRIC COMMUNICATION TECHNIQUE H04L - TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
H04L63/1441 - {Countermeasures against malicious traffic

H - ELECTRICITY H02 - GENERATION H02J - CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER
H02J13/00034 - {the elements or equipment being or involving an electric power substation}

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
Y02E60/00 - Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y04 - INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS Y04S - SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
Y04S40/20 - Information technology specific aspects

H - ELECTRICITY H02 - GENERATION H02J - CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER
H02J13/00002 - {characterised by monitoring}

H - ELECTRICITY H04 - ELECTRIC COMMUNICATION TECHNIQUE H04L - TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
H04L63/1416 - {Event detection, e.g. attack signature detection}

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y04 - INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS Y04S - SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
Y04S10/30 - Systems characterised by state monitoring, e.g. fault, temperature monitoring, insulator monitoring, corona discharge

H - ELECTRICITY H02 - GENERATION H02J - CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER
H02J3/00 - Circuit arrangements for ac mains or ac distribution networks
H02J13/00 - Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network

H - ELECTRICITY H04 - ELECTRIC COMMUNICATION TECHNIQUE H04L - TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
H04L63/1425 - {Traffic logging, e.g. anomaly detection}

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DOE Contract Number:: AR0000340

Resource Type:: Patent

Resource Relation:: Patent File Date: 2015 Sep 29

Country of Publication:: United States

Language:: English

Subject:: 99 GENERAL AND MISCELLANEOUS; 24 POWER TRANSMISSION AND DISTRIBUTION

Citation Formats


                    McEachern, Alexander, and Hofmann, Ronald. Method and apparatus for detecting cyber attacks on an alternating current power grid.  United States: N. p., 2017. 
        Web.

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                    McEachern, Alexander, & Hofmann, Ronald. Method and apparatus for detecting cyber attacks on an alternating current power grid.  United States.

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                    McEachern, Alexander, and Hofmann, Ronald. Tue .  
        "Method and apparatus for detecting cyber attacks on an alternating current power grid".  United States.  https://www.osti.gov/servlets/purl/1350990.

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@article{osti_1350990,

  title        = {Method and apparatus for detecting cyber attacks on an alternating current power grid},

  author       = {McEachern, Alexander and Hofmann, Ronald},

  abstractNote = {A method and apparatus for detecting cyber attacks on remotely-operable elements of an alternating current distribution grid. Two state estimates of the distribution grid are prepared, one of which uses micro-synchrophasors. A difference between the two state estimates indicates a possible cyber attack.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2017},

  month        = {4}

}

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