Standard No.:	JB/T 1544-1999
English Name:	Rapid test procedure for thermal endurance of electrical insulating impregnating varnishes and varnished fabrics-thermogravameric point slope(Tps) method
Chinese Name:	电气绝缘浸渍漆和漆布快速热老化试验方法—热重点斜法
Chinese Classification:	K15    Electrical insulating material and its products
Professional Classification:	JB    Professional Standard - Machinery
Source Content Issued by:	MOEI
Issued on:	1999-8-6
Implemented on:	2000-1-1
Status:	superseded
Superseded by:	JB/T 1544-2015
Superseded on:	2015-10-1
Superseding:	JB 1544-1976
Target Language:	English
File Format:	PDF
Word Count:	3000 words
Translation Price(USD):	224.0
Delivery:	via email in 1 business day

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