Title :
An accurate asynchronous calculation method for evaluating peak and RMS values from sampled data
Author :
Suomalainen, E.P. ; Hallstrom, J.
Author_Institution :
Helsinki Univ. of Technol. (MIKES-TKK), Helsinki
Abstract :
In high voltage testing there is a need to measure both the peak value and rms value of power frequency voltage. This paper describes method to calculate accurately both quantities; even when the frequency is not stable. The method can handle waveforms with harmonic content, and an uncertainty of few ppm can be achieved. Method is not sensitive to frequency fluctuation and phase lock loop is not needed.
Keywords :
frequency measurement; harmonic analysis; mean square error methods; measurement standards; measurement uncertainty; voltage measurement; accurate asynchronous calculation method; frequency fluctuation; harmonic content; high voltage testing; rms value; root-mean-square calculation; sampled data; Equations; Fluctuations; Frequency conversion; Frequency domain analysis; Frequency measurement; Instruments; Sampling methods; Signal resolution; Testing; Voltage;
Conference_Titel :
Precision Electromagnetic Measurements Digest, 2008. CPEM 2008. Conference on
Conference_Location :
Broomfield, CO
Print_ISBN :
978-1-4244-2399-6
Electronic_ISBN :
978-1-4244-2400-9
DOI :
10.1109/CPEM.2008.4574808
