Thermal powerline rating and clearance analysis using thermal imaging technology
First Claim
Patent Images
1. A method of analyzing an overhead electrical conductor, comprising:
- by a processor, accessing 3-dimensional location data of an overhead conductor;
by the processor, accessing thermal measurement data of the conductor, wherein the thermal measurement data comprises a remotely collected thermal image wherein each element of the thermal measurement data corresponds an element of the 3-dimensional location data and has a collection time that is substantially simultaneous with a collection time of its corresponding location data element;
by the processor, generating a computer assisted design (CAD) model of the conductor using the 3-dimensional location data of the conductor and the thermal measurement data of the conductor; and
by the processor, employing the computer assisted design (CAD) model for thermal analysis of the conductor.
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Abstract
A method and apparatus are provided to acquire direct thermal measurements, for example, from a LiDAR collecting vehicle or air vessel, of an overhead electrical conductor substantially simultaneous with collection of 3-dimensional location data of the conductor, and utilize temperature information derived from the direct thermal measurements in line modeling, line rating, thermal line analysis, clearance analysis, and/or vegetation management.
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Citations
21 Claims
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1. A method of analyzing an overhead electrical conductor, comprising:
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by a processor, accessing 3-dimensional location data of an overhead conductor; by the processor, accessing thermal measurement data of the conductor, wherein the thermal measurement data comprises a remotely collected thermal image wherein each element of the thermal measurement data corresponds an element of the 3-dimensional location data and has a collection time that is substantially simultaneous with a collection time of its corresponding location data element; by the processor, generating a computer assisted design (CAD) model of the conductor using the 3-dimensional location data of the conductor and the thermal measurement data of the conductor; and by the processor, employing the computer assisted design (CAD) model for thermal analysis of the conductor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method for determining temperature of an overhead electrical conductor, comprising:
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by a processor, accessing 3-dimensional location data of an overhead conductor; accessing thermal measurement data of the conductor, wherein each element of the thermal measurement data corresponds an element of the 3-dimensional location data and has a collection time that is substantially simultaneous with a collection time of its corresponding location data element; and performing a thermal analysis of the thermal measurement to determine temperature of the conductor at a time that the 3-dimensional location data was collected. - View Dependent Claims (12, 13)
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14. A system, comprising:
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a processor; a computer-readable medium on which is stored location data and thermal measurement data for a plurality of overhead electrical conductors; and a non-transitory computer-readable memory containing programming instructions that enable the processor to; access 3-dimensional location data of a selected one of the overhead electrical conductors; access thermal measurement data for the selected conductor, wherein each element of the thermal measurement data corresponds an element of the 3-dimensional location data and has a collection time that is substantially simultaneous with a collection time of its corresponding location data element; and perform a thermal analysis of the thermal measurement to determine temperature of the conductor at a time that the 3-dimensional location data was collected. - View Dependent Claims (15, 16, 17, 18, 19)
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20. A method of analyzing an overhead electrical conductor, comprising:
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by a processor, accessing 3-dimensional location data of an overhead conductor; by the processor, accessing thermal measurement data of the conductor, wherein the thermal measurement data comprises a remotely collected thermal image, wherein each element of the thermal measurement data corresponds an element of the 3-dimensional location data and has a collection time that is substantially simultaneous with a collection time of its corresponding location data element; by the processor, generating a computer assisted design (CAD) model of the conductor using the 3-dimensional location data of the conductor and the thermal measurement data of the conductor. - View Dependent Claims (21)
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Specification