Implementation of Goertzel-based frequency estimation for power quality monitoring in embedded measurement systems

IF 1 4区工程技术 Q4 INSTRUMENTS & INSTRUMENTATION

Metrology and Measurement Systems Pub Date : 2023-11-06 DOI:10.24425/mms.2022.142270

引用次数: 1

Abstract

InternationalstandardsfromIECandIEEEregulatepowergridparameterssuchastheRMSvalue,frequency, harmonicandinterharmonicdistortion,unbalanceorthepresenceoftransients,thatareimportanttoassure thequalityofdistributedpower.StandardIEC61000-4-30suggeststhezerocrossingalgorithmforthe measurementofthepowergridfrequency,butalsostatesthatdiﬀerentalgorithmscanbeused. Thispaperproposesanewalgorithm,theFractionalInterpolatedDiscreteFourierTransform,FracIpDFT,to estimatethepowergridfrequency,suitableforimplementationinresourcelimitedembeddedmeasurement systems.Itisbasedonthenon-integerGoertzelalgorithmfollowedbyinterpolationatnon-integermultiples oftheDFTfrequencyresolution.Theproposedalgorithmisvalidatedanditsperformancecomparedwith otheralgorithmsthroughnumericalsimulations.ImplementationdetailsoftheFracIpDFTinanARM CortexM4processorarepresentedalongwithfrequencymeasurementresultsperformedwiththeproposed algorithminthedevelopedsystem.

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来源期刊

Metrology and Measurement Systems INSTRUMENTS & INSTRUMENTATION-

CiteScore

2.00

自引率

10.00%

发文量

审稿时长

6 months

期刊介绍： Contributions are invited on all aspects of the research, development and applications of the measurement science and technology. The list of topics covered includes: theory and general principles of measurement; measurement of physical, chemical and biological quantities; medical measurements; sensors and transducers; measurement data acquisition; measurement signal transmission; processing and data analysis; measurement systems and embedded systems; design, manufacture and evaluation of instruments. The average publication cycle is 6 months.