AS 61869.4:2021 PDF
Adopts and modifies IEC 61869 4:2013 for Australia, applying to newly-manufactured combined transformers for use with electrical measuring instruments and electrical protective devices at frequencies from 15 Hz to 100 Hz. Covers current and inductive voltage transformers that are necessary for combined instrument transformers.
KEYWORDS: Combined transformers; Current transformers; Inductive; Electrical measuring instruments
AS 61869.4:2021 History
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