GB/T 25331-2010 in English

《GB/T 25331-2010电力机车、电力动车组主变流器用水散热器》由347（国家铁路局）归口，主管部门为国家铁路局。

1 Scope


This standard specifies the technical requirements, test methods, inspection rules as well as marking, packaging, storage etc. of radiator for converter of electric locomotive and electric motor units.

This standard is applicable to the design, manufacturing and acceptance of newly-made radiator for converter of electric locomotive and electric motor units.

2 Normative References

The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments to (excluding amending errors in the text), or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest edition of the normative document is applicable. For undated references, the latest edition of the normative document applies.
GB/T 191-2008 Packaging - Pictorial Marking for Handling of Goods (ISO 780: 1997, MOD)
GB/T 2423.17-2008 Environmental Testing for Electric and Electronic Products - Part 2: Test Method - Test Ka: Salt Mist (IEC 60068-2-11: 1981, IDT)
GB/T 2423.18-2000 Environmental Testing for Electric and Electronic Products －Part 2: Tests - Test Kb: Salt Mist, Cyclic (Sodium Chloride Solution) (idt IEC 60068-2-52: 1996)
GB/T 3190 Wrought Aluminum and Aluminum Alloy - Chemical Composition (GB/T 3190-2008, ISO 209: 2007, MOD)
GB/T 3198 Aluminum and Aluminum Alloys Foils
GB/T 3880.1 Wrought Aluminum and Aluminum Alloy Plates, Sheets and Strips for General Engineering - Part 1: Technical Conditions of Delivery
GB/T 3880.2 Wrought Aluminum and Aluminum Alloy Plates, Sheets and Strips for General Engineering - Part 2: Mechanical Properties
GB/T 3880.3 Wrought Aluminum and Aluminum Alloy Plates, Sheets and Strips for General Engineering - Part 3: Tolerances on Forms and Dimensions
GB/T 4436 Wrought Aluminum and Aluminum Alloy Tubes - Dimensions and Deviations
GB/T 4437.1 Aluminum and Aluminum Alloy Extruded Tubes - Part 1: Seamless Tubes
GB/T 6892 Wrought Aluminum and Aluminum Alloys Extruded Profiles for General Engineering
GB/T 10858 Aluminum and Aluminum Alloy Welding Rods and Wires (GB/T10858-2008, ISO18273: 2004, MOD)
GB/T13306-1991 Plates
GB/T 14846 Wrought Aluminum and Aluminum Alloy Extruded Profiles - Tolerances on Dimensions and Shape
GB/T 21563-2008 Railway Applications - Rolling Stock Equipment - Shock and Vibration Tests (IEC61373: 1999, IDT)
YS/T 69 Aluminum Alloy Composited Sheet for Brazing
EN 12487: 2000 Corrosion Protection of Metals - Rinsed and Non-rinsed Chromate Conversion Coatings o Aluminum and Aluminum Alloys

3 Terms and Definitions

For the purposes of this standard, the following terms and definitions apply.
3.1 Cooling medium

The liquid or gas transmitting the heat energy of heating part of the converter semiconductor device to the radiator or taking the heat energy away from the radiator. Liquid refers to the mixed solution made up with anti-freezing solution and purified water according to certain proportion (hereinafter referred to as "water") while gas refers to air.
3.2 primary radiator

The equipment transmitting the heat energy of heating component of semiconductor device to water cooling medium.

Foreword I
1 Scope
2 Normative References
3 Terms and Definitions
4 Composition of Radiator
5 Technical Requirements
6 Test Methods
7 Inspection Rules
8 Marking, Packaging and Storage
Appendix A (Normative) Performance Test for Primary Radiator
Appendix B (Normative) Performance Test for Secondary Radiator