Standard No.:	TB/T 3036-2002
English Name:	25kV Section Insulator for Electric Railway Contact System
Chinese Name:	25kV电气化铁道接触网用分段绝缘器
Chinese Classification:	S82    Fittings for overhead contact system
Professional Classification:	TB    Professional Standard - Railway Transport
Issued on:	2002-02-09
Implemented on:	2002-7-1
Status:	superseded
Superseded by:	TB/T 3036-2016 Section insulators for catenary of electrified railways
Superseded on:	2017-2-16
Superseding:	TB/T 1848-1987
Target Language:	English
File Format:	PDF
Word Count:	3500 words
Translation Price(USD):	105.0
Delivery:	via email in 1 business day

of Electric Railway 1 Scope This standard specifies the codes, working conditions, technical requirements, test methods, inspection rules, acceptance rules, packaging and marking etc. of section insulator. It is applicable to section insulator at same-phase electric subsection of 25kV single-phase power-frequency a.c. overhead contact system of electric railways. 2 Normative References The provisions of the following standard, through reference in this standard, constitute the provisions of this standard. At the time of publication for this standard, all editions indicated are valid. All standards will be revised. All parties coming to an agreement according to this standard are encouraged to study whether the latest edition of the normative document is applicable. GB/T 775.1-1987 Test Method for Insulators - Part 1: General Test Methods GB/T 775.2-1987 Test Method for Insulators - Part 2: Electrical Test Methods GB/T 1411-1978 Solid Electric Insulating Materials - Test Methods of High-voltage Small-current Intermittent Arc Resistance GB/T 2900.8-1995 Electrotechnical Terminology - Insulators GB/T 4585.2-1991 Artificial Pollution Tests on High-voltage Insulators to be Used on a.c. Systems - Solid-layer Method GB/T 6553-1986 Test Methods for Evaluating Resistance to Tracking and Erosion of Electrical Insulating Materials Used under Severe Ambient Conditions TB/T 2073 Technical Specification of Fittings for Overhead Contact System in Electrification Railway TB/T 2074 Test Methods of Fittings for Overhead Contact System in Electrification Railway 3 Definitions This standard adopts the following definitions: slideway type section insulator: it refers to the section insulator of which all or part insulating elements are adopted as of slideway simultaneously and which directly contacts with pantograph of electric locomotive during operation non-slideway type section insulator: it refers to the section insulator of which insulating elements are not adopted as slideway and which does not contact with pantograph of electric locomotive during operation

Foreword i 1 Scope 2 Normative References 3 Definitions 4 Product Codes 5 Working Conditions 6 Technical Requirements 7 Appearance and Dimension Inspection 8 Metallic Parts Material and Fasteners 9 Inspection and Test 10 Packaging and Marking