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Active Power Measurement Based on Multiwavelet Transforms

Author

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  • Xiao-Bing Zhang
  • Yun-Hui Li
  • Xiao-Meng Cui

Abstract

This paper discusses a new method for calculating active power in the multiwavelet domain. When the voltage and current waveforms are analyzed using multiwavelet, the active power can be calculated by simply adding the products of the multiwavelet coefficients without having to reconstruct the signals back to the time domain first and then using the traditional integration. From the simulation result, we can see that the results using multiwavelet are better than the ones using wavelet and Fourier Transforms no matter which prefilter is used.

Suggested Citation

  • Xiao-Bing Zhang & Yun-Hui Li & Xiao-Meng Cui, 2014. "Active Power Measurement Based on Multiwavelet Transforms," Mathematical Problems in Engineering, Hindawi, vol. 2014, pages 1-6, February.
    • Handle: RePEc:hin:jnlmpe:905108
    DOI: 10.1155/2014/905108
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