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TBT3539-2018

Chinese Standard: 'TBT3539-2018'
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TB/T 3539-2018English190 Add to Cart 0--15 minutes. Auto immediate delivery. Equipment for electric point heating system Valid TB/T 3539-2018
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TB/T 3539-2018
RAILWAY INDUSTRY STANDARD OF
THE PEOPLE’S REPUBLIC OF CHINA
ICS 45.020
S 61
Equipment for Electric Point Heating System
电加热道岔融雪系统设备
ISSUED ON: DECEMBER 20, 2018
IMPLEMENTED ON: JULY 01, 2019
Issued by: National Railway Administration
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative References ... 4
3 Terms and Definitions ... 6
4 Composition and Model of Snow-Melting Equipment ... 6
5 Technical Requirements ... 7
6 Test Methods ... 17
7 Inspection Rules ... 21
8 Marking, Packaging, Transportation and Storage ... 23
Appendix A (Normative) Snow-Melting Equipment Framework Diagram ... 26
Appendix B (Informative) Configuration of Electric Heating Elements for
Turnout Snow-Melting ... 28
Equipment for Electric Point Heating System
1 Scope
This Standard specifies the technical requirements, test methods, inspection rules,
marking, packaging, transportation and storage of relevant products of equipment for
electric heating turnout snow-melting system (hereinafter referred to as snow-melting
equipment).
This Standard is applicable to the design, manufacture and inspection of electric
heating turnout snow-melting system.
2 Normative References
The following documents are essential to the application of this document. For the
dated documents, only the versions with the dates indicated are applicable to this
document; for the undated documents, only the latest version (including all the
amendments) are applicable to this document.
GB/T 191 Packaging - Pictorial Marking for Handling of Goods (GB/T 191-2008,
ISO 780:1997, MOD)
GB/T 2423.17 Environmental Testing for Electric and Electronic Products - Part 2:
Test Method - Test Ka: Salt Mist (GB/T 2423.17-2008, IEC 60068-2-11:1981, IDT)
GB 2894 Safety Signs and Guideline for the Use
GB/T 4208-2017 Degrees of Protection Provided by Enclosure (IP Code) (IEC
60529:2013, IDT)
GB/T 5013.4 Rubber Insulated Cables of Rated Voltages up to and Including
450/750V - Part 4: Cords and Flexible Cables (GB/T 5013.4-2008, IEC 60245-
4:2004, IDT)
GB/T 5169.16-2017 Fire Hazard Testing for Electric and Electronic Products - Part
16: Test Flames - 50 W Horizontal And Vertical Flame Test Methods (IEC 60695-
11-10:2013, IDT)
GB/T 6388 Transport Package Shipping Mark
GB/T 6461-2002 Methods for Corrosion Testing of Metallic and Other Inorganic
Coatings on Metallic Substrates - Rating of Test Specimens and Manufactured
TB/T 3074 Technical Specification for Protection against Lightning
Electromagnetic Impulse on Railway Signaling Equipment
TB/T 3498 Lightning Strike Test method for Railway Communication Signal
Equipment
3 Terms and Definitions
For the purpose of this document, the following terms and definitions apply.
3.1 Equipment for electric point heating
Technology that uses electric heating to melt snow at the turnout switch.
3.2 Electric control cabinet for defrosting the switch
The control equipment that introduces and distributes the snow-melting power supply,
switches on and off the snow-melting heating circuit of each turnout according to the
control conditions.
3.3 Rail temperature sensor
The device that measures the rail temperature.
3.4 Mounting clip
The device that clip and fix the heating elements onto the rail.
3.5 Grip force
Pressure of the mounting clip body on both ends of the rail bottom.
3.6 Clamp pressure
The force that presses the heating elements of strip and lead onto the rail.
3.7 Isolating transformers for defrosting the switch
In order to insulate the heating circuit from the ground, and isolate the different heating
circuits from each other, a transformer connected between the heating power supply
and the heating circuit.
4 Composition and Model of Snow-Melting Equipment
4.1 Composition of snow-melting equipment
requirements.
5.2.2 Snow-melting equipment shall be suitable for centralized and decentralized
power supply.
5.2.3 Snow-melting equipment shall meet the requirements of local control, station
control, and remote control; the system shall have functions such as diagnosis, alarm,
remote monitoring, and management; it can be selected as required.
5.2.4 Snow-melting equipment shall have protection measures against over-current
and short-circuit.
5.2.5 Snow-melting equipment shall have reliable safety protection and flame-
retardant measures; the flame-retardant shall meet the requirements of Level V-2 in
GB/T 5169.16-2017.
5.2.......
Related standard:   TB/T 3533-2018  TB/T 3534-2018
   
 
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