Systems and methods for power line fault detection
AssigneeSentient Technology Holdings, LLC
InventorsGiridhar IYER, Mirrasoul J. MOUSAVI, Travis BARTON, Jong Min LIM, Jenya OKUNEVA
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Abstract
A power distribution monitoring system (100) is provided that can include a number of features. The system can include a plurality of monitoring devices configured to attach to conductor(s) on a power grid distribution network. In some embodiments, a monitoring device is disposed on each conductor of a three-phase network and utilizes a complex platform of software and hardware to detect faults and disturbances that can be analyzed to determine or predict the risk of wildfires.
Claims21
(canceled)
A line sensor with power line fault analytics, comprising:
- a wireless interface;
- an e-field sensor;
- a processor communicatively coupled with the wireless interface and the e-field sensor;
- memory communicatively coupled with the processor and storing at least one fault signature having an e-field template defining e-field attributes that occur in response to a line break;
- and
- machine-readable instructions that, when executed by the processor, cause the processor to at least:
- determine e-field key parameters based at least in part on e-field data, representing an electrical field produced by a power line to which the line sensor is installed, and received from the e-field sensor;
- normalize the e-field key parameters to generate normalized e-field key parameters;
- cross-correlate the normalized e-field key parameters to the e-field template to determine an e-field match similarity;
- determine a line break based at least in part on the e-field match similarity being greater than an e-field threshold;
- and
- send, via the wireless interface, an alert to a computing device indicating the line break.
A line sensor with power line fault analytics, comprising:
- a wireless interface;
- a current sensor;
- a processor communicatively coupled with the wireless interface and the current sensor;
- memory communicatively coupled with the processor and storing at least one fault signature having a current template defining current attributes that occur in response to a line break;
- and
- machine-readable instructions that, when executed by the processor, cause the processor to at least:
- determine current key parameters based at least in part on current data, representing current through a power line, received from the current sensor;
- normalize the current key parameters to generate normalized current key parameters;
- cross-correlate the normalized current key parameters to the current template to determine a current match similarity;
- determine a line break based at least in part on the current match similarity being greater than a current threshold;
- and
- send, via the wireless interface, an alert to a computing device indicating the line break.
A computer-implemented method for line-fault detection, comprising:
- receiving e-field data from an e-field sensor of a line sensor positioned at a power line;
- calculating e-field RMS values for the e-field data;
- determining that characteristics of the e-field RMS values indicate a line break;
- delaying outputting an alert indicating the line break for a pre-determined period;
- and
- in response to determining that the power line reenergizes within the pre-determined period, indicating a short fault indication or forgoing outputting the alert.
Dependencies are inferred from the claim text.