发明名称 METER APPARATUS AND METHOD FOR PHASE ANGLE COMPENSATION EMPLOYING LINEAR INTERPOLATION OF DIGITAL SIGNALS
摘要 A method compensates for phase differences between sampled values of first and second AC waveforms. The method employs a phase angle compensation factor and sequentially samples a plurality of values of each of the waveforms. For a positive compensation factor, second sampled values are adjusted to correspo nd with first sampled values by employing, for a corresponding second sampled value, a preceding second sampled value plus the product of: (i) the compensation factor and (ii) the difference between the corresponding second sampled value and the preceding second sampled value. Alternatively, for a negative compensation factor, the second sampled values are adjusted by employing, for the corresponding second sampl ed value, the preceding second sampled value minus the product of: (i) the sum of one plus the compensation factor and (ii) the difference between the preceding second sampled value and the second sampled value preceding the preceding second sampled value.
申请公布号 CA2509473(A1) 申请公布日期 2005.12.10
申请号 CA20052509473 申请日期 2005.06.08
申请人 EATON CORPORATION 发明人 COX, ROGER W.;SUTRAVE, PRAVEEN K.
分类号 G01R35/00;(IPC1-7):G01R15/00;G01R21/00;G01R25/00 主分类号 G01R35/00
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