I.S. EN 61857-23:2002
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
ELECTRICAL INSULATION SYSTEMS - PROCEDURES FOR THERMAL EVALUATION - PART 23: SPECIFIC REQUIREMENTS FOR GENERAL PURPOSE, TALL-CHANNEL MODEL - WIRE-WOUND ELECTRICAL INSULATION SYSTEMS (EIS)
Hardcopy , PDF
01-10-2005
English
01-01-2002
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Construction
4.1 General information
4.2 GPM-TC components
4.3 Assembly of the GPM-TC
5 Number of test objects
6 Test procedures
6.1 General
6.2 Initial screening tests
6.2.1 General
6.2.2 Initial dielectric test
6.3 Thermal endurance test
6.3.1 Endurance test cycle
6.3.2 Thermal ageing
6.3.3 Mechanical stress
6.3.4 Thermal shock
6.3.5 Moisture exposure
6.3.6 Dielectric diagnostic test
7 End-of-life criterion
8 Analyzing, reporting and classification
Figure 1 - Manufacturing drawing of a test object frame
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