Study on Asynchronous Sampling in Digital Electrical Energy Metering Based on IEC61850

Yi Tang; Bo Jiang; Hong Bin Li; Xian Shun Chen

doi:10.4028/www.scientific.net/AMR.860-863.2417

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 860-863Study on Asynchronous Sampling in Digital...

Study on Asynchronous Sampling in Digital Electrical Energy Metering Based on IEC61850

Abstract:

Technical issues regarding asynchronous sampling for digital electrical energy metering based on IEC 61850 are studied. Asynchronous sampling is inevitable when the power network frequency fluctuates. The additional metering error caused by asynchronous sampling is simulated and discussed. The additional error can be as big as 2% under typical conditions, which is unacceptable. Quasi-synchronous sampling algorithm is employed to reduce the error. Simulation result shows that it can reduce the error to an ignorable level. The error under extreme conditions is also simulated and discussed.

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Periodical:

Advanced Materials Research (Volumes 860-863)

Pages:

2417-2422

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.860-863.2417

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Online since:

December 2013

Authors:

Yi Tang*, Bo Jiang, Hong Bin Li, Xian Shun Chen

Keywords:

Asynchronous Sampling, Digital Electrical Energy Metering, IEC 61850, Quasi-Synchronous Sampling Algorithm

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References

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