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BS 6921:1988

Withdrawn

Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.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

Available format(s)

Hardcopy , PDF

Withdrawn date

20-04-2012

Language(s)

English

Published date

30-12-1988

€67.78
Excluding VAT

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Withdrawn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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