BS 6921:1988
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Method for evaluation of the thermal endurance of flexible sheet electrical insulating materials using the wrapped tube method
Hardcopy , PDF
20-04-2012
English
30-12-1988
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National foreword
Committees responsible
Method
1. Scope
2. General
3. Preparation of test specimens
4. Heating of specimens
5. Conditioning
6. Measurement of breakdown voltage
7. Procedure
Table
1. Suggested exposure temperatures and cycle durations
Provides an evaluation by measuring the breakdown voltage after being subjected to selected exposure temperatures corresponding to an extrapolated 20 000 h time to failure.
| Committee |
GEL/15
|
| DevelopmentNote |
Also numbered as IEC 60795 Supersedes 86/31219 DC (09/2005)
|
| DocumentType |
Standard
|
| Pages |
8
|
| PublisherName |
British Standards Institution
|
| Status |
Withdrawn
|
| BS 5691-2:1995 | Guide for the determination of thermal endurance properties of electrical insulating materials Choice of test criteria |
| BS 5691-1:1979 | Guide for the determination of thermal endurance properties of electrical insulating materials General procedures for the determination of thermal endurance properties, temperature indices and thermal endurance profiles |
| IEC 60216-4:1980 | Guide for the determination of thermal endurance properties of electrical insulating materials - Part 4: Instructions for calculating the thermal endurance profile |
| BS 2918:1957 | Determination of electric strength of solid insulating materials at power frequencies |
| BS 2782-2.220&221(1983) : LATEST | METHODS OF TESTING PLASTICS - ELECTRICAL PROPERTIES - DETERMINATION OF ELECTRICAL STRENGTH: RAPIDLY APPLIED VOLTAGE METHOD AND STEP-BY-STEP METHOD |
| BS 5691-2:1979 | Guide for the determination of thermal endurance properties of electrical insulating materials List of materials and available tests |
| IEC 60216-3:2006 | Electrical insulating materials - Thermal endurance properties - Part 3: Instructions for calculating thermal endurance characteristics |
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