Specifies design requirements and tests for on-load tap-changers and their motor-drive mechanisms immersed in transformer oil. It applies also to gas-insulated tap-changers, but excludes tap-changers for transformers for railway rolling stock. This Standard is technically identical with IEC 214:1989, On-load tap-changers.
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On-load tap-changers – Requirements
Standards Australia , 01/01/1991
Pages: 36