Specification for cables on board rolling stock - Part 1: Power and control cables
1 Scope
This part of TB/T 1484 specifies the classification, codes, specifications, structures, technical requirements, inspection methods, inspection rules, marking, packaging, transportation and storage of power and control cables for rolling stocks with rated voltage of 3.6 kV and below.
This part is applicable to the power and control cables for rolling stocks (including EMUs) with rated voltage of 3.6 kV and below, and may also serve as a reference for other rail vehicles.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition (including any amendments) applies.
GB 252 General diesel fuels
GB/T 2900.10-2013 Electrotechnical terminology - Electromagnetic compatibility (IEC 60050-461:2008, IDT)
GB/T 2951.11 Common test methods for insulating and sheathing materials of electric cables and optical cables - Part 11: Methods for general application - Measurement of thickness and overall dimensions - Tests for determining the mechanical properties (GB/T 2951.11-2008, IEC 60811-1-1:2001, IDT)
GB/T 2951.12 Common test methods for insulating and sheathing materials of electric and optical cables - Part 12: Methods for general application - Thermal ageing methods (GB/T 2951.12-2008, 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 - 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 Test methods for electrical properties of electric cables and wires - Part 4: Test of DC resistance of conductors
GB/T 3048.5 Test methods for electrical properties of electric cables and wires - Part 5: Test of insulation resistance
GB/T 3048.9 Test methods for electrical properties of electric cables and wires - Part 9: Spark test of insulated cores
GB/T 4909.2 Test methods for bare wires - Part 2: Measurement of dimensions
GB/T 4909.3 Test methods for bare wires - Part 3: Tensile test
GB/T 6995.1-2008 Markings for electric wires and cables - Part 1: General requirements
GB/T 6995.3 Markings for electric cables and wires - Part 3: Identifications of cables and wires
GB/T 11026.1-2003 Electrical insulating materials - Properties of thermal endurance - Part 1: Ageing procedures and evaluation of test results (IEC 60216-1:2001, IDT)
GB/T 11026.4 Electrical insulating materials - Thermal endurance properties - Part 4: Ageing ovens - Single-chamber ovens (GB/T 11026.4-2012, IEC 60216-4-1:2006, IDT)
GB/T 12528-2008 Rail vehicle cables with rated voltages up to and including 3kV
GB/T 17650.1 Test on gases evolved during combustion of materials from cables - Part 1: Determination of the amount of halogen acid gas (GB/T 17650.1-1998, IDT IEC 60754-1:1994)
GB/T 17650.2 Test on gases evolved during combustion of materials from cables - Part 2: Determination of degree of acidity of gases by measuring pH and conductivity (GB/T 17650.2-1998, IDT IEC 60754-2:1991)
GB/T 17651.2 Measurement of smoke density of cables burning under defined conditions - Part 2: Test procedure and requirements (GB/T 17651.2-1998, IDT IEC 61034-2:1997)
GB/T 18380.12 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 (GB/T 18380.12-2008, 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 20637-2006 Electrical installations in ships - Shipboard power cables - General construction and test requirements (IEC 60092-350:2001, IDT)
SH/T 0139 Axle oils
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 2900.10-2013 and the following apply.
3.1
rated voltage
U0
reference voltage for cable structure design and electrical properties test, which is usually the voltage (r.m.s.) between any insulated conductor and "ground" (the metal sheath or surrounding medium of the cable)
Note: The rated voltage is expressed in volts.
4 Cable classification
4.1 Classification by insulation structure
The cables may be classified by insulation structure into:
——the insulated cables with standard wall thickness, conforming to the nominal insulation thickness in Annex A;
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Cable classification
4.1 Classification by insulation structure
4.2 Classification by rated voltage
4.3 Classification by oil resistance
4.4 Classification by long-term permissible operating temperature
5 Codes
6 Environmental conditions
6.1 Service environment
6.2 Storage environment
7 Specifications
8 Structure
8.1 Conductors
8.2 Insulation
8.3 Cabling
8.4 Shield
8.5 Sheath
9 Technical requirements
9.1 Minimum bending radius
9.2 Physical and mechanical properties
9.3 Electrical properties
9.4 Safety performance
9.5 Service life requirements
10 Inspection methods
10.1 Appearance inspection
10.2 Structural inspection
10.3 Test for physical and mechanical properties
10.4 Test of electrical properties
10.5 Safety performance inspection
11 Inspection rules
11.1 Inspection classification
11.2 End-of-manufacturing inspection
11.3 Type inspection
11.4 Inspection items
12 Marking, packaging, transportation and storage
12.1 Marking
12.2 Packaging
12.3 Transportation and storage
Annex A (Normative) Parameter table of cables with common standard wall thickness
Annex B (Normative) Parameter table of common cables with small wall thickness
Annex C (Normative) Parameter table of common cables with thin wall
Annex D (Informative) Product codes
Annex E (Informative) Recommended list of conductor structure
Annex F (Normative) Dynamic cut-through test
Annex G (Normative) Combustion test for cables with a diameter less than or equal to 6 mm
Annex H (Normative) Test method for corona life (3.6 kV class cables)
Annex I (Normative) Test method for toxicity index
Annex J (Normative) Thermal life assessment test
Bibliography
