An improved current-comparator-based power standard at 120 V/5 A, 50 Hz – 60 Hz, with an uncertainty of 2.5 µW/VA (k = 1)

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Conference2012 Conference on Precision Electromagnetic Measurements (CPEM 2012), 2012-07-1 - 2012-07-6, Washington, DC, USA
Pages209–; # of pages: 1
SubjectCurrent-comparator; power bridge; power standard; uncertainty
AbstractAn improved power standard derived from a current comparator power bridge for calibrating active/reactive power and energy meters under sinusoidal conditions is described. Measurements can be made at any power factor from zero lag through unity to zero lead, positive or negative power, at 120 V, 5 A, and 50 or 60 Hz. The improved power standard has an estimated basic uncertainty of 2.5 μW/VA at k = 1.
AffiliationMeasurement Science and Standards; National Research Council Canada
Peer reviewedYes
NPARC number21269103
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Record identifier049d3626-4f54-41f3-b659-79d878f71fae
Record created2013-12-05
Record modified2016-05-09
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