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IEC 60076-19-1:2023

Power transformers - Part 19 - 1: Rules for the determination of uncertainties in the measurement of the losses of power transformers

General information

Valid from 23.05.2023
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None

Standard history

Status
Date
Type
Name
23.05.2023
Main
IEC 60076-19-1:2023 defines the procedures that are applied to evaluate the uncertainty affecting the measurements of no-load and load losses during the routine tests on power transformers.
This document centres on measuring systems utilizing digital instruments, although the procedures can be adapted to evaluation of systems with analogue instruments where further uncertainty sources have to be taken into account.
This document specifies how to determine measurement uncertainty and how to apply corrections for known errors in the measurement chain. Information vis-à-vis judgement and traceability are given in IEC 60076-8:1997, 10.1 and 10.2.

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