Uncertainty Analysis for Residual Current Operating Characteristic Test
Jun Qiu · Low Voltage Apparatus · 2004
In measurement standard laboratory and inspect laboratory,which already passed or would pass the laboratory accreditation, adopting measurement uncertainty instead of error is requested. Exact and reasonable uncertainty evaluation is the premise and guarantee for affording exactly measurement result. In order to realize more nicety uncertainty evaluation, the example of residual current operating characteristic test of low-voltage electrical apparatus was introduced in this paper. On this base, the method of uncertainty evaluation in testing laboratory was analyzed. And some problems on which should be paid attention in evaluation of uncertainty were discussed.