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TB/T 1484.2-2010

Chinese Standard: 'TB/T 1484.2-2010'
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Detail Information of TB/T 1484.2-2010; TB/T1484.2-2010
Description (Translated English): Specification for cables on board rolling stock - Part 2: Thin wall insulation cables
Sector / Industry: Railway & Train Industry Standard (Recommended)
Classification of Chinese Standard: S35
Classification of International Standard: 29.280
Word Count Estimation: 29,224
Date of Issue: 2010-08-22
Date of Implementation: 2011-02-01
Older Standard (superseded by this standard): TB/T 1484.1-2001
Quoted Standard: GB 252-2000; GB/T 2900.10-2001; GB/T 2951.11-2008; GB/T 2951.12-2008; GB/T 2951.13-2008; GB/T 2951.14-2008; GB/T 2951.21-2008; GB/T 3048.4-2007; GB/T 3048.5-2007; GB/T 3048.8-2007; GB/T 3048.9-2007; GB/T 3956-2008; GB/T 4909.2-2009; GB/T 4909.3-2009; GB/T 4909.11 -2009; GB/T 4910-2009; GB/T 6995; GB/T 12528-2008; GB/T 17650.1-1998; GB/T 17650.2-1998; GB/T 17651.2-1998; GB/T 18380.12-2008; GB/T 18380.35-2008; GB/T 18380.36-2008; SH/T 0139-1995; EN 50305-2002
Drafting Organization: CSR Qingdao Sifang Locomotive Co., Ltd.
Administrative Organization: CSR Zhuzhou Electric Locomotive Research Institute Co., Ltd.
Regulation (derived from): Railway Technology [2010] No. 145
Summary: This standard specifies the rolling stock (including EMU) with a rated voltage of 3 kV and below the thin-walled insulated cables technical requirements, test methods and inspection rules. This standard applies to rolling stock (including EMU), the other rail vehicles for implementation.

TB/T 1484.2-2010
TB
RAILWAY INDUSTRY STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
ICS 29.280
S 35
Partially replacing TB/T 1484.1-2001
Specification for cables on board rolling stock -
Part 2. Thin wall insulation cables
机车车辆电缆
第 2部分. 薄壁绝缘电缆
ISSUED ON. AUGUST 22, 2010
IMPLEMENTED ON. FEBRUARY 01, 2011
Issued by. Ministry of Railways of the People’s Republic of China
Table of Contents
Foreword ... 3 
1 Scope ... 5 
2 Normative references ... 5 
3 Terms and definitions ... 7 
4 Classification, code, specifications and structure of cables ... 7 
5 Technical requirements... 13 
6 Electrical property ... 16 
7 Safety performance ... 18 
8 Inspection rules and inspection methods ... 18 
9 Delivery conditions ... 27 
10 Cable packaging, transportation and storage ... 27 
Annex A (Informative) Corona lifetime test method (3kV cables)... 29 
Foreword
TB/T 1484 Cables on board rolling stock is divided into the following parts.
- Part 1. Standard wall insulation cables up to AC 3 kV;
- Part 2. Thin wall insulation cables;
- Part 3. 30 kV Ethylene propylene rubber insulation single-phase electric power
cables;
- Part 4. Low-smoke halogen-free flame retardant cables for communications and
network.
This Part is the Part 1 of TB/T 1484.
This Part is drafted according to the rules provided in GB/T 1.1-2009.
This Part, together with Part 1, replaces TB/T 1484.1-2001. The main technical changes,
compared with TB/T 1484.1-2001, are as follows.
- Add order’s technical conditions of thin wall thick insulation; the cable conductor
cross-section are changed from 0.5 mm2 to 4.0 mm2 (see Table 2 in 4.3);
- Add inspection items of thin wall cable which are necessary for factory inspection
(see Table 16, Table 10 in version 2001);
- Add category of thin wall cable for locomotive vehicles (see 4.1);
- Add rated voltage grade of thin wall cable for locomotive vehicles (see Table 2 in 4.3);
- Add water absorption test and acidic-alkali resistances test for sheath (see 5.2.5,
5.2.6; Chapter 6 in version 2001);
- Modify the requirements of surface marker rubbing resistance (see 5.2.10; 6.6.2 in
version 2001);
- Add flexibility requirements (see 5.2.11);
- Modify the mechanical properties test index after oil resistant test (see 8.4.2.4; 9.3.3
in version 2001);
- The name of dielectric strength test is revised to breakdown voltage test (see
8.4.2.4.4; 9.3.3 in version 2001);
- Add model naming rules and model specification range (see 4.2 and 4.3);
- Add the requirements of insulation resistance (see 6.2 and 8.4.3.2);
Specification for cables on board rolling stock –
Part 2. Thin wall insulation cables
1 Scope
This Part specified the technical requirements, test methods and inspection rules of thin
wall insulation cables up to AC 3 kV for cables on board rolling stock (including CRH
train).
This Part applies to board rolling stocks (including CRH train); other rolling stocks can
refer to this Part.
2 Normative references
The following documents are indispensable for application of this document. For the dated
documents so quoted, only the dated versions apply to this document. For the undated
documents so quoted, the latest versions (including all modification sheets) apply to this
document.
GB 252-2000 Light diesel fuels
GB/T 2900.10-2001 Electrotechnical vocabulary - Electric cables (IEC 60050-461.1984,
IDT)
GB/T 2951.11-2008 Common test methods for insulating and sheathing materials of
electric and optical cables - Part 11. Methods for general application - Measurement of
thickness and overall dimensions - Tests for determining the mechanical properties
(IEC 60811-1-1.2001, IDT)
GB/T 2951.12-2008 Common test methods for insulating and sheathing materials of
electric and optical cables - Part 12. Methods for general application - Thermal ageing
methods (IEC 60811-1-2.1985, IDT)
GB/T 2951.13-2008 Common test methods for insulating and sheathing materials of
electric and optical cables - Part 13. Methods for general application - Measurement for
determining the density - Water absorption tests - Shrinkage test (IEC 60811-1-3.2001,
IDT)
GB/T 2951.14-2008 Common test methods for insulating and sheathing materials of
electric and optical cables - Part 14. Methods for general application - Test at low
temperature (IEC 60811-1-4.1985, IDT)
GB/T 2951.21-2008 Common test methods for insulating and sheathing materials of
electric and optical cables - Part 21. Methods specific to elastomeric compounds -
Ozone resistance, hot set and mineral oil immersion tests (IEC 60811-2-1.2001, IDT)
GB/T 3048.4-2007 Test methods for electrical properties of electric cables and wires -
Part 4. Test of DC resistance of conductors
GB/T 3048.5-2007 Test methods for electrical properties of electric cables and wires -
Part 5. Test of insulation resistance
GB/T 3048.8-2007 Test methods for electrical properties of electric cables and wires -
Part 8. AC voltage test
GB/T 3048.9-2007 Test methods for electrical properties of electric cables and wires -
Part 9. Spark test of insulated cores
GB/T 3956-2008 Conductors of insulated cables (IEC 60228.2004, IDT)
GB/T 4909.2-2009 Test methods for bare wires - Part 2. Measurement of dimensions
GB/T 4909.3-2009 Test methods for bare wires - Part 3. Tensile test
GB/T4909.11-2009 Test methods for bare wires - Part 11. Test for adherence of coating
GB/T 4910-2009 Tinned round copper wire
GB/T 6995 Markings for electric wires and cables
GB/T 12528-2008 Rail vehicle cables with rated voltages up to and including 3kV
GB/T 17650.1-1998 Test on gases evolved during combustion of materials from cables
- Part 1. Determination of the amount of halogen acid gas (idt IEC 60754-2.1991)
GB/T 17650.2-1998 Test on gases evolved during combustion of materials from cables
- Part 2. Determination of degree of acidity of gases by measuring pH and conductivity
(idt IEC 60754-2.1991)
GB/T 17651.2-1998 Measurement of smoke density of cables burning under defined
conditions - Part 2. Test procedure and requirements (idt IEC 61034-2.1997)
GB/T 18380.12-2008 Test on electric and optical fibre cables under fire conditions -
Part 12. Test for vertical flame propagation for a single insulated wire or cable -
Procedure for 1kW pre-mixed flame (IEC 60332-1-2.2004, IDT)
GB/T 18380.35-2008 Tests on electric and optical fibre cables under fire conditions -
Part 35. Test for vertical flame spread of vertically-mounted bunched wires or cables -
Category C (IEC 60332-3-24.2000, IDT)
GB/T 18380.36-2008 Tests on electric and optical fibre cables under fire conditions -
Part 36. Test for vertical flame spread of vertically-mounted bunched wires or cables -
Category D (IEC 60332-3-25.2000, IDT)
SH/T 0139-1995 Axle oil
EN 50305.2002 Railway applications - Railway rolling stock cables having special fire
performance - Test methods
3 Terms and definitions
For the purpose of this document, the terms and definition determined in GB/T
2900.10-2001 AND the following terms and definitions shall apply.
3.1
Rated voltage
The reference voltage in cable structure design and electrical performance test,
expressed in U0, the unit is volts (V).
Note 1. U0 is the voltage effective value between one insulated conductor and ground (the metal sheath
of cables or surrounding medium of cables). In AC systems, the rated voltage of one cable shall at least
be equal to the system nominal voltage of this cable used. In DC systems, the nominal voltage of this
system shall not be larger than 1.5 times of the rated voltage of this cable.
Note 2. The working voltage of this system is allowed to exceed 10% of the nominal voltage of this
system for a long time. If the rated voltage of one cable is at least equal to the nominal voltage of this
system, the cable can work under the working voltage being higher than 10% of the rated voltage.
3.2
Thin wall insulation
The wall insulation that, according to different voltage grade and different conductor cross
section, adopts special high performance insulation properties, w......
Related standard:   TB/T 1484.1-2017  TB/T 1484.2-2017
   
 
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