A Real Time Measurement for Power System Parameters Based on Zero-Crossing Detection of CPLD

Bing Wang; Hai Lin Zou

doi:10.4028/www.scientific.net/AMM.239-240.332

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 239-240A Real Time Measurement for Power System...

A Real Time Measurement for Power System Parameters Based on Zero-Crossing Detection of CPLD

Abstract:

A novel design of data acquisition system based on CPLD and DSP coordination control is presented. Verilog HDL is adopted in this system to realize the function of Schmitt trigger on CPLD. Combining with the method of zero-crossing detection, the RMS of signal voltage, current and frequency are effectively calculated. Experimental results indicate that the given method has improved the detection efficiency and computational accuracy.

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Periodical:

Applied Mechanics and Materials (Volumes 239-240)

Pages:

332-337

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.239-240.332

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Online since:

December 2012

Authors:

Bing Wang, Hai Lin Zou

Keywords:

Data Acquisition, Root Mean Square (RMS), Zero-Crossing Detection

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