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IEEE C57.138-2016
IEEE Recommended Practice for Routine Impulse Tests for Distribution Transformers
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.
Institute of Electrical and Electronics Engineers [ieee]