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Research of effective value measurement method in smart grid

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6 Author(s)
Caihong Wei ; Dept. of Biomed. Eng., Zhejiang Univ., Hangzhou, China ; Sheng Lei ; Wei Chen ; Hao Yang
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Taking the smart grid as the research background, this paper, combined with the transformer testing experiment, introduced the principle and the process of measuring the real time voltage and calculating its effective value based on embedded platform by cubic spline interpolation. The results of the experiment indicated that it has good stability and high accuracy, the error is below 0.15%. What's more, cubic spline interpolation has small computation consumption and fast run speed. Another important feature of cubic spline interpolation is that it can restore the distorted waveform perfectly, which makes it better using in the parameter measurement and grid reliability testing of the smart grid, together with the frequency tracking technology mentioned in the paper.

Published in:

Electric Information and Control Engineering (ICEICE), 2011 International Conference on

Date of Conference:

15-17 April 2011