Instrument transformers - Additional requirements for inductive voltage transformers Ingestion-build-177197 in order to provide the

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Instrument transformers - Additional requirements for inductive voltage transformers Ingestion-build-177197 in order to provide the1 Scope This part of IEC 61869 applies to new inductive voltage transformers for use with electrical measuring instruments and electrical protective devices at frequencies from 15 Hz to 100 Hz. NOTE 301 Requirements specific to three phase voltage transformers are not included in this standard but, so far as they are relevant, the requirements in clauses 4 to 10 apply to these transformers and a few references to them are included in those clauses (e.