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  5. The evaluation of the measurement uncertainty under voltage transformers calibration

The evaluation of the measurement uncertainty under voltage transformers calibration

Anokhin Yu.L., Кіkalo V.N., Коpshyn V.V., Nosko S.N.
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There have been considered the questions concerning the evaluation of the measurement results uncertainty under voltage transformers calibration. The algorithms of expanded uncertainty of the relative voltage ratio deviation and the phase displacement are given. The method of calibration of transformers of tension on the state standard of units of electric tension of alternating current and coefficient of scale transformation of electric tension is resulted.
Keywords: variation, coefficient of transformation, to the vagueness of measurings, relative rejection of coefficient of transformation, transformer of tension