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公开(公告)号：US20170205489A1
公开(公告)日：2017-07-20
申请号：US15476424
申请日：2017-03-31
Applicant: Earth Networks, Inc.
Inventor： Robert S. Marshall , Stan Heckman , Chonglin Liu , Christopher Dale Sloop , Scott Stickels , Donnie Bixler , Emily Stickels
CPC classification number: G01R35/04 , G01R15/207 , G01R21/133 , G01R22/061 , G01R22/065 , G01R22/10 , G01R35/005
Abstract: Described herein are methods and systems for identifying individual branch circuits coupled to a power distribution point. A sensor module positioned in proximity to the power distribution point and having a plurality of magnetic field sensors senses a magnetic field emitted by each of a plurality of branch circuits coupled to the power distribution point. A processor coupled to the sensor module determines a response of each magnetic field sensor to each of a plurality of changes in power associated with at least one of the plurality of branch circuits. The processor positions the responses of the magnetic field sensors to each change in power on a point in a multidimensional space, where each dimension of the multidimensional space corresponds to a magnetic field sensor. The processor identifies clusters of the points in the multidimensional space, each cluster representing a different branch circuit and having a different vector direction.
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公开(公告)号：US10018701B2
公开(公告)日：2018-07-10
申请号：US15476424
申请日：2017-03-31
Applicant: Earth Networks, Inc.
Inventor： Robert S. Marshall , Stan Heckman , Chonglin Liu , Christopher Dale Sloop , Scott Stickels , Donnie Bixler , Emily Stickels
CPC classification number: G01R35/04 , G01R15/207 , G01R21/133 , G01R22/061 , G01R22/065 , G01R22/10 , G01R35/005
Abstract: Described herein are methods and systems for identifying individual branch circuits coupled to a power distribution point. A sensor module positioned in proximity to the power distribution point and having a plurality of magnetic field sensors senses a magnetic field emitted by each of a plurality of branch circuits coupled to the power distribution point. A processor coupled to the sensor module determines a response of each magnetic field sensor to each of a plurality of changes in power associated with at least one of the plurality of branch circuits. The processor positions the responses of the magnetic field sensors to each change in power on a point in a multidimensional space, where each dimension of the multidimensional space corresponds to a magnetic field sensor. The processor identifies clusters of the points in the multidimensional space, each cluster representing a different branch circuit and having a different vector direction.
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公开(公告)号：US20170090004A1
公开(公告)日：2017-03-30
申请号：US15275061
申请日：2016-09-23
Applicant: Earth Networks, Inc.
Inventor： Robert S. Marshall , Stan Heckman , Chonglin Liu , Christopher Dale Sloop , Scott Stickels , Donnie Bixler , Emily Stickels
CPC classification number: G01R35/04 , G01R15/207 , G01R21/133 , G01R22/061 , G01R22/065 , G01R22/10 , G01R35/005
Abstract: Described herein are methods and systems for remote sensing to derive a calibrated power measurement for a power distribution point. Magnetic field sensors of a sensor module sense a magnetic field emitted by the power distribution point. A first processor generates an uncalibrated power measurement for each magnetic field sensor, the uncalibrated power measurement derived from the magnetic field sensed by the magnetic field sensor and a voltage carried by the power distribution point. A second processor determines a response of each magnetic field sensor to a known power load being drawn through the power distribution point. The second processor derives a transfer function using the response of each magnetic field sensor to the known power load. The second processor applies the transfer function to the uncalibrated power measurement for each magnetic field sensor to generate the calibrated power measurement for the power distribution point.
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公开(公告)号：US09702959B2
公开(公告)日：2017-07-11
申请号：US15275061
申请日：2016-09-23
Applicant: Earth Networks, Inc.
Inventor： Robert S. Marshall , Stan Heckman , Chonglin Liu , Christopher Dale Sloop , Scott Stickels , Donnie Bixler , Emily Stickels
CPC classification number: G01R35/04 , G01R15/207 , G01R21/133 , G01R22/061 , G01R22/065 , G01R22/10 , G01R35/005
Abstract: Described herein are methods and systems for remote sensing to derive a calibrated power measurement for a power distribution point. Magnetic field sensors of a sensor module sense a magnetic field emitted by the power distribution point. A first processor generates an uncalibrated power measurement for each magnetic field sensor, the uncalibrated power measurement derived from the magnetic field sensed by the magnetic field sensor and a voltage carried by the power distribution point. A second processor determines a response of each magnetic field sensor to a known power load being drawn through the power distribution point. The second processor derives a transfer function using the response of each magnetic field sensor to the known power load. The second processor applies the transfer function to the uncalibrated power measurement for each magnetic field sensor to generate the calibrated power measurement for the power distribution point.
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