Title :
Automatic high precision audio frequency power standard
Author :
Helisto, P. ; Rautiainen, A. ; Seppa, H.
Author_Institution :
Dept. of Measure. Technol., VTT Autom., Finland
Abstract :
An audio frequency power standard based on digital sampling was developed. By exactly matching the sampling and power frequencies, the standard allows fast analysis of several hundred harmonics of the mains frequency. Temperature dependence in the sampling voltmeters is the major source of uncertainty.
Keywords :
Harmonics; Measurement errors; Measurement standards; Measurement uncertainty; Power measurement; Signal sampling; Wattmeters; audio frequency power standard; digital sampling; harmonics; matching; sampling voltmeters; temperature dependence; uncertainty; Frequency measurement; Harmonic analysis; Laboratories; Measurement standards; Power measurement; Power system harmonics; Sampling methods; Voltage; Voltmeters; Wattmeters;
Conference_Titel :
Precision Electromagnetic Measurements Digest, 2000 Conference on
Conference_Location :
Sydney, NSW, Australia
Print_ISBN :
0-7803-5744-2
DOI :
10.1109/CPEM.2000.850866
