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Rotating electrical machines - Part 18: Functional evaluation of insulation systems - Section 32: Test procedures for form-wound windings - Electrical evaluation of insulation systems used in machines up to and including 50 MVA and 15 kV
Rotating electrical machines - Part 18: Functional evaluation of insulation systems - Section 33: Test procedures for form-wound windings - Multifactor functional evaluation - Endurance under combined thermal and electrical stresses of insulation systems used in machines up to and including 50 MVA a