ELECTRICAL INSULATING MATERIALS - THERMAL ENDURANCE PROPERTIES - PART 4-1: AGEING OVENS - SINGLE-CHAMBER OVENS
International Electrotechnical Committee
FOREWORD
1 Scope
2 Normative references
3 Terms and definitions
4 Constructional requirements
4.1 General
4.2 Mechanical requirements
4.3 Ventilation
4.4 Specimen mounting arrangements
4.5 Temperature control and indicator systems
5 Performance requirements
5.1 Temperature
5.2 Temperature difference and temperature fluctuation
5.3 Temperature variation
5.4 Maximum temperature deviation
5.5 Rate of ventilation
5.6 Exposure volume
5.7 Time constant
6 Test methods and procedure
6.1 General
6.2 Exposure volume
6.3 Temperature and related parameters
6.4 Rate of ventilation
6.5 Time constant
7 Report
8 Conditions of use and instructions for in-service
monitoring by the user
8.1 Conditions of use
8.2 Procedure
8.3 In-service monitoring
Annex A (informative) Test method to determine the rate
of ventilation
Annex B (informative) Examples for calculation of
temperature deviation
Bibliography
Covers minimum requirements for ventilated and electrically heated single-chamber ovens, with or without forced gas circulation, for thermal endurance evaluation of electrical insulation. It covers ovens designed to operate over all or part of the temperature range from 20 degrees C above ambient to 500 degrees C.
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| Committee | TC 15 |
| Supersedes |
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