Data processing: measuring – calibrating – or testing – Measurement system in a specific environment – Electrical signal parameter measurement system
Patent
1997-06-24
2000-08-29
Trammell, James P.
Data processing: measuring, calibrating, or testing
Measurement system in a specific environment
Electrical signal parameter measurement system
702 62, 702 64, 702 65, 702 82, 705412, 324 74, 324 7677, 324 86, 324107, 324140R, 324142, 304657, G01R 2106
Patent
active
061121592
ABSTRACT:
The present invention includes an electrical utility meter operable to measure power consumption. The method detects and compensates for one or more wiring errors that affects the power consumption measurement of the electrical utility meter. The method includes the steps of: obtaining measured phase angle data for a plurality of phases in a polyphase electrical system; periodically performing one or more diagnostic tests using the measured phase angle data to determine whether a wiring error is present, automatically adjusting the operation of the electrical utility meter to effect a compensation for the wiring error, said compensation increasing an accuracy of power consumption measurement of the electrical utility meter. The meter is operable to detect and compensate for wiring errors including polarity errors and cross phasing errors. According to another method of the present invention, the meter is operable to determine automatically the service type to which it is connected.
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Anderson Christopher L.
Bond Randall K.
Burns Gordon G.
Slaven Robert E.
Dam Tuan Q.
Siemens Power Transmission & Distribution, LLC
Trammell James P.
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