Metering device with control functionality and method thereof
First Claim
1. A metering device of a power substation operating on a secondary analog waveform output by a transformer assembly receiving a primary waveform, the metering device comprising:
- a transformer of the metering device for stepping down the secondary waveform and generating an output signal;
first biasing circuitry for operating on the signal output from the transformer of the metering device for generating a corresponding first digital signal having a value proportional to the signal output from the transformer and within a first range;
second biasing circuitry for operating on the signal output from the transformer of the metering device for generating a corresponding second digital signal having a value proportional to the signal output from the transformer of the metering device and within a second range; and
a processor assembly in operative communication with the first and second biasing circuitry, wherein the processor assembly executes application software for receiving the first and second digital signals, the processor assembly comprising;
a first operational software block for processing the first digital signal and outputting a corresponding first output signal;
a second operational software block for processing the second digital signal and outputting a corresponding second output signal; and
a control software block for processing the first and second output signals and generating corresponding output wherein at least one of the first operational software block, the second operational software block and the control software block monitors at least one software block of the other software blocks for detecting an abnormal condition and resets the software block of the at least one software block associated with the detected abnormal condition.
1 Assignment
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Accused Products
Abstract
A metering device of a power substation and method are provided for operating on a secondary analog waveform output by a transformer assembly receiving a primary waveform. The method includes stepping down the secondary waveform and generating a corresponding output signal; operating on the corresponding output signal for generating a corresponding first digital signal having a value proportional to the corresponding output signal and within a first range; and operating on the corresponding output signal for generating a corresponding second digital signal having a value proportional to the corresponding output signal and within a second range. The method further includes processing the first digital signal and outputting a corresponding first output signal; processing the second digital signal and outputting a corresponding second output signal; processing the first and second output signals; and generating output corresponding to the processing of the first and second output signals.
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Citations
44 Claims
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1. A metering device of a power substation operating on a secondary analog waveform output by a transformer assembly receiving a primary waveform, the metering device comprising:
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a transformer of the metering device for stepping down the secondary waveform and generating an output signal; first biasing circuitry for operating on the signal output from the transformer of the metering device for generating a corresponding first digital signal having a value proportional to the signal output from the transformer and within a first range; second biasing circuitry for operating on the signal output from the transformer of the metering device for generating a corresponding second digital signal having a value proportional to the signal output from the transformer of the metering device and within a second range; and a processor assembly in operative communication with the first and second biasing circuitry, wherein the processor assembly executes application software for receiving the first and second digital signals, the processor assembly comprising; a first operational software block for processing the first digital signal and outputting a corresponding first output signal; a second operational software block for processing the second digital signal and outputting a corresponding second output signal; and a control software block for processing the first and second output signals and generating corresponding output wherein at least one of the first operational software block, the second operational software block and the control software block monitors at least one software block of the other software blocks for detecting an abnormal condition and resets the software block of the at least one software block associated with the detected abnormal condition. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A metering device of a power substation operating on a secondary analog waveform output by a transformer assembly receiving a primary waveform, the metering device comprising:
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a transformer of the metering device for stepping down the secondary waveform and generating an output signal; first biasing circuitry for operating on the signal output from the transformer of the metering device for generating a corresponding first digital signal having a value proportional to the signal output from the transformer and within a first range; second biasing circuitry for operating on the signal output from the transformer of the metering device for generating a corresponding second digital signal having a value proportional to the signal output from the transformer of the metering device and within a second range; and a processor assembly in operative communication with the first and second biasing circuitry, wherein the processor assembly executes application software for receiving the first and second digital signals, the processor assembly comprising; a first operational software block for processing the first digital signal and outputting a corresponding first output signal; a second operational software block for processing the second digital signal and outputting a corresponding second output signal; and a control software block for processing the first and second output signals and generating corresponding output wherein the control software block compares the first and second digital signals for detecting a discrepancy there between and generating a corresponding signal. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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23. A metering device of a power substation operating on a secondary analog waveform output by a transformer assembly receiving a primary waveform, the metering device comprising:
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a transformer of the metering device for stepping down the secondary waveform and generating an output signal; first biasing circuitry for operating on the signal output from the transformer of the metering device for generating a corresponding first digital signal having a value proportional to the signal output from the transformer and within a first range; second biasing circuitry for operating on the signal output from the transformer of the metering device for generating a corresponding second digital signal having a value proportional to the signal output from the transformer of the metering device and within a second range;
said first range and said second range at least partially overlapping; anda processor assembly in operative communication with the first and second biasing circuitry, wherein the processor assembly executes application software for receiving the first and second digital signals, the processor assembly comprising; a first operational software block for processing the first digital signal and outputting a corresponding first output signal; a second operational software block for processing the second digital signal and outputting a corresponding second output signal; and a control software block for processing the first and second output signals and generating corresponding output. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30)
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31. A metering device of a power substation operating on a secondary analog waveform output by a transformer receiving a primary waveform, the metering device comprising:
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a transformer of the metering device for stepping down the secondary waveform and generating an output signal; first biasing circuitry for operating on the signal output from the transformer of the metering device for generating a corresponding first digital signal having a value proportional to the signal output from the transformer and within a first range; second biasing circuitry for operating on the signal output from the transformer of the metering device for generating a corresponding second digital signal having a value proportional to the signal output from the transformer of the metering device and within a second range; and a processor assembly in operative communication with the first and second biasing circuitry, wherein the processor assembly executes application software for receiving the first and second digital signals, the processor assembly comprising; a first operational software block for processing the first digital signal and outputting a corresponding first output signal; a second operational software block for processing the second digital signal and outputting a corresponding second output signal; and a control software block for processing the first and second output signals and generating corresponding output; at least one amplifier having its gain set to eliminate a need for a second transformer. - View Dependent Claims (32, 33, 34, 35, 36, 37, 38)
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39. A metering device of a power substation operating on a secondary analog waveform output by a transformer assembly receiving a primary waveform, the metering device comprising:
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a transformer of the metering device for stepping down the secondary waveform and generating an output signal; first biasing circuitry for operating on the signal output from the transformer of the metering device for generating a corresponding first digital signal having a value proportional to the signal output from the transformer and within a first range; second biasing circuitry for operating on the signal output from the transformer of the metering device for generating a corresponding second digital signal having a value proportional to the signal output from the transformer of the metering device and within a second range; and a processor assembly in operative communication with the first and second biasing circuitry, wherein the processor assembly executes application software for receiving the first and second digital signals, the processor assembly comprising; a first operational software block for processing the first digital signal and outputting a corresponding first output signal; a second operational software block for processing the second digital signal and outputting a corresponding second output signal; and a control software block for processing the first and second output signals and generating corresponding output; and said metering device is an energy measurement device for measuring real time energy usage. - View Dependent Claims (40, 41, 42, 43, 44)
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Specification