SYSTEMS AND METHODS FOR NETWORK ENABLED DATA CAPTURE
First Claim
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1. A power quality measurement, control and management device for use in an electric power system, the device comprising:
- an electric power system metering assembly including data memory and trigger parameters, the metering assembly adapted to capture, time stamp, and record in the data memory power system electrical parameters imposed on one or more industrial automation devices, each industrial automation device representing a node in the electric power system, the recorded power system electrical parameters being stored in the data memory for a predetermined amount of time;
a communication interface coupled to the metering assembly, the communication interface adapted to communicate with one or more additional metering assemblies on a network, and the communication interface adapted to transmit a capture command to all or a subset of the one or more additional metering assemblies on the network; and
wherein when the metering assembly captures one or more power system electrical parameters that are defined by the trigger parameters, the communication interface transmits the capture command onto the network to instruct all or the subset of the one or more additional metering devices on the network to record their respective power system electrical parameters.
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Abstract
Networked meters in a distribution system are enabled to detect a trigger event, record its time-stamped local data, and to issue a capture command via the network. The capture command includes timing data of the trigger event so the networked meters receiving the command are able to go back into their time-stamped and recorded local data and extract a precisely time-coordinated capture of their local data associated with the timing data of the trigger event. A complete set of distribution system event data is captured that may be time-synchronized for analysis.
18 Citations
25 Claims
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1. A power quality measurement, control and management device for use in an electric power system, the device comprising:
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an electric power system metering assembly including data memory and trigger parameters, the metering assembly adapted to capture, time stamp, and record in the data memory power system electrical parameters imposed on one or more industrial automation devices, each industrial automation device representing a node in the electric power system, the recorded power system electrical parameters being stored in the data memory for a predetermined amount of time; a communication interface coupled to the metering assembly, the communication interface adapted to communicate with one or more additional metering assemblies on a network, and the communication interface adapted to transmit a capture command to all or a subset of the one or more additional metering assemblies on the network; and wherein when the metering assembly captures one or more power system electrical parameters that are defined by the trigger parameters, the communication interface transmits the capture command onto the network to instruct all or the subset of the one or more additional metering devices on the network to record their respective power system electrical parameters. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A power quality measurement, control and management device for use in an electric power system and adapted to be coupled to a network, the device comprising:
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an electric power system metering assembly including data memory and trigger parameters, the metering assembly adapted to capture, time stamp, and record in the data memory power system electrical parameters imposed on one or more industrial automation devices, each device representing a node in the electric power system; a processor assembly including a communication interface, the communication interface adapted to communicate with one or more additional metering assemblies on a network, and the communication interface adapted to transmit a capture command to all or a subset of the one or more additional metering assemblies on the network; each of the metering assembly and the processor assembly coupled to a backplane assembly, the backplane assembly adapted to pass communications between the metering assembly and the processor assembly; and wherein when the metering assembly captures one or more power system electrical parameters that are defined by the trigger parameters, the metering assembly takes a snapshot of the recorded power system electrical parameters and stores the snapshot of the recorded power system electrical parameters in the data memory. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21)
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22. A method of capturing power system electrical parameters with a plurality of networked electric power system metering assemblies, the power system electrical parameters imposed on one or more industrial automation devices, each device representing a node in the electric power system, the method comprising:
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capturing, time stamping, and recording the power system electrical parameters imposed on the one or more industrial automation devices by at least one of the plurality of networked electric power system metering assemblies; comparing the power system electrical parameters to trigger parameters; and when the power system electrical parameters fall within the trigger parameters, instructing all or a subset of the plurality of networked electric power system metering assemblies on the network to take a snapshot of the respective metering device'"'"'s recorded power system electrical parameters. - View Dependent Claims (23, 24, 25)
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Specification