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公开(公告)号：US12235310B2
公开(公告)日：2025-02-25
申请号：US16760843
申请日：2017-12-29
Applicant: Hitachi Energy Ltd
Inventor： Obbalareddi Demudu Naido , Neethu George , Nandkishor Kubal
Abstract: A system can be used for analyzing fault data in a power transmission network with a plurality of power transmission lines. A number of power system devices are distributed across the power transmission network. Each power system device performs one or more of measurement of data to generate measured data and processing of the measured data to generate processed data in response to a condition in a corresponding segment of the power transmission network. The system includes a data aggregator, a data analyzer, and a fault locator.
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公开(公告)号：US12235309B2
公开(公告)日：2025-02-25
申请号：US18256735
申请日：2021-12-08
Applicant: Eskom Holdings SOC Limited
Inventor： Peter Ayotola Adigun
Abstract: The invention relates to a fault current detection device for an overhead power line. The fault current detection device is configured to apply a fault detection algorithm which includes a duration test and a return to normal test. The fault current detection device reports a fault current to a remote fault monitoring device only if both tests are passed. The fault monitoring device is configured to apply an alert ranking algorithm to determine which of a plurality of the fault current detection devices is closest to a fault. The alert ranking algorithm includes identifying or establishing a location of an upstream source associated with the fault current detection devices and classifying the fault current detection device which is the furthest downstream from the upstream source as the closest to the fault. A fault current detection method and a fault detection system and method are disclosed.
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公开(公告)号：US12235308B2
公开(公告)日：2025-02-25
申请号：US17984245
申请日：2022-11-10
Applicant: Sentient Energy Technology, LLC
Inventor： Milad Izadi , Mirrasoul J. Mousavi , Jong Min Lim
Abstract: Disclosed are various embodiments for unsupervised power-line event location within a power-line network. In one embodiment, e-field measurements are received from a plurality of line-mounted sensors located on one or more power lines in the power-line network. The e-field measurements to voltage approximations. A feeder model of the power line network is constructed based at least in part on the voltage approximations. An event within the power-line network is identified. A location of the event is identified based at least in part on the feeder model.
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公开(公告)号：US20250044339A1
公开(公告)日：2025-02-06
申请号：US18922223
申请日：2024-10-21
Applicant: NUGRID POWER CORP.
Inventor： Farnoosh RAHMATIAN , Patrick Pablo CHAVEZ
Abstract: A computer-implemented method of adaptive real-time monitoring of power lines of a three-phase power system is disclosed. The method includes receiving data indicative of sensor measurements from a plurality of sensors positioned to sense an electric or magnetic field around a portion of the power lines. The method includes determining a disruption in power in one or all of three power lines, and then receiving sensor measurements to determine coefficients of a linear transformation relating the measurements to one of currents or voltages in the power lines.
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公开(公告)号：US12218511B2
公开(公告)日：2025-02-04
申请号：US17697875
申请日：2022-03-17
Applicant: Steven Marquis
Inventor： Steven Marquis
Abstract: A monitoring system for a power line structure includes a system for harvesting electrical energy from electric fields emanating from the power line. The monitoring system includes a weather resistant enclosure configured to be mounted near the power line. The electrical energy harvesting system includes an electric field antenna configured to receive electric fields emanating from the power line, an electrical energy harvesting circuit mounted within the enclosure and an earth ground connector configured to couple the harvesting circuit to an earth ground connection by direct connection or via a capacitive structure. An energy storage device is also electrically coupled to the harvesting circuit. The monitoring system further includes a sensor system electrically coupled to the harvesting system. The sensor system is configured to sense a condition and transmit corresponding condition data.
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Patent Agency Ranking
公开(公告)号：US20250027981A1
公开(公告)日：2025-01-23
申请号：US18355544
申请日：2023-07-20
Applicant: Oracle International Corporation
Inventor： Bradley Roy WILLIAMS , Cornell Thomas EYFORD, III , Apirux BANTUKUL , Ruixian LIU , Kenny GROSS
IPC: G01R31/08 , G01P15/093
Abstract: Embodiments detect one or more events on an electrical grid. Embodiments use a sensor installed at an edge of the electrical grid to generate a sensor waveform at a first sampling rate corresponding to current and/or voltage signals. Embodiments transform the sensor waveform into multiple frequency bands and digitize the multiple frequency bands at a second sampling rate that is lower than the first sampling rate. Embodiments receive, by a pattern recognition machine learning algorithm at the edge, the digitized multiple frequency bands for events and predict, using the ML algorithm, an occurrence of the one or more events.
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7.发明申请公开(公告)号：US20250020708A1
公开(公告)日：2025-01-16
申请号：US18350183
申请日：2023-07-11
Applicant: ABB Schweiz AG
Inventor： Mohammad Razeghi-Jahromi , Moein Choobineh , Rostan Rodrigues
IPC: G01R31/08
Abstract: A system and method for detecting high impedance faults (HIFs) in an electrical distribution system may include obtaining a first current signal of a first electrical conductor, determining, based on a time period, a first moving window for the first current signal and a second moving window for a second current signal, determining a first instantaneous phase of the first moving window and a second instantaneous phase of the second moving window, determining a first frequency spectrum and a second frequency spectrum based on the first instantaneous phase and second instantaneous phase respectively, determining an error spectrum corresponding to a difference between points of the first frequency spectrum and the second frequency spectrum respectively, generating an error index based on the error spectrum, and identifying a trigger event at the first electrical conductor based on a comparison between the error index and a reference threshold.
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公开(公告)号：US20250004031A1
公开(公告)日：2025-01-02
申请号：US18342263
申请日：2023-06-27
Applicant: Alex and Alice, Inc.
Inventor： Zhonghai WANG
Abstract: A cable fault detection system includes a frequency-modulated continuous-wave (FMCW) signal generator, an amplifier connected with the FMCW signal generator, an impedance matcher, a lead cable connected with the impedance matcher, a mixer, a first signal distributor, a second signal distributor, a cable dictionary, and a data processer. The first and second signal distributors are connected with the amplifier, the impedance matcher, and the mixer. The data processer is connected with the mixer for performing cable fault detection using the cable dictionary and a signal from the mixer.
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公开(公告)号：US12174235B1
公开(公告)日：2024-12-24
申请号：US17752263
申请日：2022-05-24
Applicant: SafeCircuit Testing LLC
Inventor： Marco V. Orsetti , Joseph M. Orsetti , Edward P. Gellender , John F. Felbinger
IPC: G01R31/08 , G01R31/327
Abstract: A system for testing electrical power circuits in a home or office building includes a circuit breaker tester unit having circuitry which is electrically connectable to a circuit breaker panel and which monitors the service voltage provided to the circuit breaker panel and the current and voltage measurable on the outputs of circuit breakers within the circuit breaker panel under no load and load conditions, a portable outlet tester unit used for testing the proper connection of the wiring in the home or office building to which power outlets therein are connected and a load bank having test loads capable of being selectively switched into electrical communication with the output of a respective circuit breaker residing in the circuit breaker panel in order to test the operability of the respective circuit breaker in the panel.
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公开(公告)号：US12174219B2
公开(公告)日：2024-12-24
申请号：US18114510
申请日：2023-02-27
Applicant: ZIOTA TECHNOLOGY INC.
Inventor： Alain Lussier
Abstract: An assembly for interfacing an existing harness connector of an installed wiring harness to a test module. The assembly comprises: a harness-specific connector which is connectable to the existing harness connector, a test box connector module connected to the harness-specific connector, for connecting to a test module, and a unique identifier which is readable on the assembly and which is unique to the test box connector module; wherein the unique identifier is used to identify the test box connector module and to determine a configuration that corresponds to the identifier of the assembly, and to determine the correspondence between contacts of the test module to contacts of the existing harness connector.
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