JB/T 1544-1999Rapid thermal ageing test method for electrical insulating impregnating varnishes and varnished fabrics - Thermogravimetric point slope method (English PDF)
电气绝缘浸渍漆和漆布快速热老化试验方法—热重点斜法
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
August 6, 1999
Implementation date
January 1, 2000
Scope
JB/T 1544-1999 is the English-translated version of 电气绝缘浸渍漆和漆布快速热老化试验方法—热重点斜法.
JB/T 1544-1999 is the Chinese standard "Rapid thermal ageing test method for electrical insulating impregnating varnishes and varnished fabrics - Thermogravimetric point slope method".
Its scope clause reads: This standard is applicable to the rapid test for thermal endurance of electrical insulating impregnating varnishes and varnished fabrics with soft film, which is expressed as the formula of temperature index (td) versus thermal endurance.
This standard can't supersede the conventional test procedure for thermal endurance. Its clauses include test basis.
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Document preview — JB/T 1544-1999
National Standard of the People's Republic of China
- Replacing
- JB 1544-1976
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- 1 Scope
- 2 Normative References
- 3 Test Basis
1 Scope
This standard is applicable to the rapid test for thermal endurance of electrical insulating impregnating varnishes and varnished fabrics with soft film, which is expressed as the formula of temperature index (td) versus thermal endurance.
This standard can't supersede the conventional test procedure for thermal endurance.
2 Normative References
The following standards contain provisions which, through reference in this text, constitute provisions of this standard. At time of publication, the editions indicated are valid. All standards are subject to revision, and parties using the standard shall investigate the possibility of applying the latest edition of the standards indicated below.
GB/T 1408-1989 Methods of Test for Frequency Electric Strength of Solid Insulating Materials (neq IEC 60243:1967)
JB/T 9238-1999 Specification for Industrial Thermocouple Assemblies
IEC 60216-4-1:1990 Electrical Insulating Materials – Thermal Endurance Properties – Part 4-1: Ageing Ovens – Single-Chamber Ovens
IEC 60370:1971 Test Procedure for Thermal Endurance of Insulating Varnishes - Electric Strength Method
3 Test Basis
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Similar standards
Editions of JB/T 1544
| Edition | Title | Revision | Status |
|---|---|---|---|
| JB/T 1544-1999 | Rapid thermal ageing test method for electrical insulating impregnating varnishes and varnished fabrics - Thermogravimetric point slope method | current edition | Current |
| JB 1544-1976 | Rapid thermal ageing test method for electrical insulating impregnating varnishes and varnished fabrics - Thermogravimetric point slope method | previous edition | Superseded |
This page sells the current edition, JB/T 1544-1999. Earlier editions are listed for reference only.
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