BS EN 60034-18-31: 1994 IEC 34-18-31: 1992 : Rotating electrical published separately 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
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This section of IEC 34-18 gives test procedures for the thermal evaluation and classification of insulation system used or proposed for use in a.c. or d.c. rotating electrical machines up to and including 50 MVA and 15 kV using form-wound windings.
BS EN 60034-18-31: 1994 IEC 34-18-31: 1992 : Rotating electrical published separately 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