IEEE C57.138-2016 PDF
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IEEE Recommended Practice for Routine Impulse Tests for Distribution Transformers
IEEE , 03/31/2017
File Format: PDF
- Description
Description
IEEE C57.138-2016 PDF
This recommended practice covers routine impulse tests performed on distribution transformers, as required in IEEE Std C57.12.00(TM), and described in 10.4 of IEEE Std C57.12.90(TM)-20151. Distribution transformers covered by this recommended practice are liquid-immersed, single- and three-phase overhead-type up to 500 kVA; single-phase pad-mounted compartmental-type and underground-type up to 167 kVA; three-phase pad-mounted compartmental-type; and underground-type up to 2500 kVA. This recommended practice covers only those aspects of impulse testing that are specific to routine testing of distribution transformers. For more thorough coverage of impulse testing of transformers in general, IEEE Std C57.98(TM) should be consulted.
This recommended practice assists manufacturers of distribution transformers in the setup and operation of a routine impulse test, and assists distribution transformer users and purchasers in understanding the routine impulse test and how it differs from design tests.
Revision Standard – Active. General test procedures for performing routine quality control tests that are suitable for high-volume, production line testing are included in this recommended practice. Transformer connections, test methods, circuit configurations, and failure detection methods are addressed. This recommended practice covers liquid-immersed, single- and three-phase distribution transformers.
