IEC 60044-2 Instrument Transformers - Part 2: Inductive Voltage Transformers
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IEC 60044-2 Document Information:
Title
Instrument Transformers - Part 2: Inductive Voltage Transformers
Transformateurs De Mesure - Partie 2: Transformateurs Inductifs De Tension
International Electrotechnical Commission
Publication Date:
Feb 1, 2003
Scope:
This part of IEC 60044 applies to new inductive voltage transformers for use with electrical measuring instruments and electrical protective devices at frequencies from 15 Hz to 100 Hz.
Although this standard relates basically to transformers with separate windings, it is also applicable, where appropriate, to auto-transformers. This standard does not apply to transformers for use in laboratories.
NOTE Requirements specific to three-phase voltage transformers are not included in this standard but, so far as they are relevant, the requirements in clauses 3 to 11 apply to these transformers and a few references to them are included in those clauses (e.g. see 2.1.4, 5.1.1, 5.2, and 11.2).
Clause 13 covers the requirements and tests, in addition to those in clauses 3 to 12, that are necessary for single-phase inductive protective voltage transformers. The requirements of clause 13 apply particularly to transformers which are required to have sufficient accuracy to operate protective systems at voltages that occur under fault conditions.
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