Historical
IEC/TS 60034-18-33 Ed. 1.0 b:1995
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 and 15 kV
This publication has the status of a technical report - type 2.
International Electrotechnical Commission [iec]