A circuit for testing static electric power meters for the effect of a constant component and even harmonics, recommended in GOST R 52322–2005, is investigated. The spreads in the parameters of individual diodes in the circuit are determined experimentally, and the errors introduced by their differences are estimated. A similar circuit with less power consumption is proposed, which is insensitive to the different parameters of the diodes.
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References
GOST R 52322–2005, Apparatus for Measuring AC Electric Power. Special Requirements. Part 21. Static Meters of Active Power of Accuracy Classes 1 and 2.
A. A. Rovdo, Semiconductor Diodes and Diode Circuits, LAIT LTD, Moscow (2000).
M. E. Kherniter, A Modern System of Computer Modeling and the Analysis of Electronic Device Circuits, DMK Press, Moscow (2006).
Diodes: A Reference Book – Diode Technical Data. Voltage, Current, and Recovery Time, http://tel-spb.ru/diodes.html, accessed Dec. 1, 2014.
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Translated from Metrologiya, No. 2, pp. 55–63, April–June, 2015.
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Pasynkov, Y.A., Savinykh, M.A. Investigation of an Electric Power Meter Testing Circuit for the Effect of the Constant Component and Even Harmonics. Meas Tech 58, 686–691 (2015). https://doi.org/10.1007/s11018-015-0775-2
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DOI: https://doi.org/10.1007/s11018-015-0775-2