Electrical measuring transformer

Details Electrical measuring transformer Electrical measuring transformer

H - Electricity

01

F

336/3

H01F 38/38 (2006.01) H01F 38/28 (2006.01)

Patent

CA 1308451

ABSTRACT This invention comprises a single-phase or multiphase electrical measuring transformer, capable of converting an actual electrical magnitude into a value compatible with a measuring, counting, control or monitoring module such as in particular a current transformer designed for power metering. The transformer having a primary circuit, a secondary circuit, which comprises at least one commutable winding defining a transformation ration and thereby its operating range, characterised in that it comprises means for adapting the secondary configuration of the transformer to the selected operating range which means effect at least the commutation of the winding or windings in accordance with the selected operating range.

602601

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