IEC 60034-18-31 Amd.1 Ed. 1.0被替代
Amendment 1 - Rotating electrical machines Part 18: Functional evaluation of insulation systems - Section 31: Test procedures for form-wound windings - Thermal evaluation and classification of insulation systems used in machines up to and including 50 MVA and 15 kV
出版：International Electrotechnical Committee
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