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EN 60034-18-42:2017
Withdrawn
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Rotating electrical machines - Part 18-42: Partial discharge resistant electrical insulation systems (Type II) used in rotating electrical machines fed from voltage converters - Qualification tests
14-03-2020
09-06-2017
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Machine terminal voltages arising from
converter operation
5 Electrical stresses in the insulation system
of machine windings
6 Voltage rating for Type II insulation systems
7 Stress factors for converter-fed Type II
insulation systems
8 Qualification tests
9 Qualification of mainwall insulation system
10 Qualification of turn insulation
11 Qualification of the stress control system
12 Preparation of test objects
13 Qualification test procedures
14 Qualification test pass criteria
15 Routine test
16 Optional screening tests
17 Analysis, reporting and classification
Annex A (informative) - Contributions to ageing of the
mainwall insulation
Annex B (informative) - Examples of circuits for
impulse testing
Annex C (informative) - Derivation of the short
term endurance test voltage
Annex D (informative) - Derivation of the impulse
voltage insulation class for the machine insulation
Annex E (normative) - Derivation of an IVIC in the
absence of a manufacturers reference life line
Annex F (informative) - Optional screening tests
Bibliography
Annex ZA (normative) - Normative references to
international publications with their
corresponding European publications
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