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GB/T 32358-2025: Railway applications - Test methods of rolling stock on test rigs
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GB/T 32358-2025: Railway applications - Test methods of rolling stock on test rigs

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ICS 29.280 CCSS04 National Standards of the People's Republic of China Replaces GB/T 32358-2015 Test methods for rail transit locomotives and rolling stock Published on 2025-12-31 Implemented on July 1, 2026 State Administration for Market Regulation The State Administration for Standardization issued a statement.

Table of contents

Preface III 1.Scope 1 2 Normative References 1 3.Terms and Definitions 1 4.Test Environment Conditions 2 5 test samples 2 6.Instruments and Equipment 3 6.1 Test bench 3 6.2 Traction Test Power Supply 5 6.3 Main Measuring Instruments (Systems) of the Test Bench 5 7.Approval of documents 5. 8.Experiment 6 8.1 General Requirements 6 8.2 Bench Operation Test 7 8.3 Fault Simulation Test 8 8.4 Temperature Rise Test 8 8.5 Parallel Asynchronous Traction Motor Wheel Diameter Difference Test 9 8.6 Low-speed air brake test 10 8.7 Torque characteristic test of traction motor under hot state 10 8.8 Torque characteristic test of traction motor in cold state 10 8.9 Traction Characteristics (Traction Force/Speed Characteristic Curve) Test 10 8.10 Anti-slip/Electric Braking Coasting Performance Test 10 8.11 Speed Control System Test 11 8.12 Voltage Variation Test 11 8.13 Voltage Sudden Change Test 11 8.14 Power outage test 11 8.15 Power Factor and Harmonic Test 12 8.16 Motion stability test 12 8.17 Operational Response Test 12 Curve 8.18 passed test 13 8.19 Vehicle Suspension System Natural Vibration Characteristics Test 13 8.20 Vehicle body modal test 14 8.21 Slewing resistance torque test 14 8.22 Test of Traction Thermal Performance of Diesel Locomotive 14 8.23 Performance and Thermal Balance Test of Oil-Water Cooling System for Internal Combustion Locomotives 15 8.24 Efficiency, Energy Consumption and Rated Power Test 16 8.25 System Functional Test 16 Appendix A (Normative) Calculation of Test Results for Traction Thermal Performance of Diesel Locomotives 17 A.1 Traction force around the locomotive wheel. 17 A.2 Locomotive speed 17 A.3 Locomotive wheel circumference power 17 A.4 Locomotive wheel circumference efficiency 18 A.5 Diesel engine effective power 18 A.6 Diesel engine drives main generator with an output power of 18. A.7 Auxiliary equipment driven by a diesel engine has a power rating of 18. A.8 Locomotive fuel consumption rate 18 A.9 Locomotive constant power range coefficient 18 A.10 Magnetic field attenuation coefficient (applicable to DC traction motors) 18 A.11 Traction motor current distribution unevenness 19 A.12 Performance Curve Plotting 19 Appendix B (Normative) Calculation of Performance and Thermal Balance Test Results of Internal Combustion Locomotive Cooling Device 20 B.1 Calculation of Diesel Engine Power 20 B.2 Thermal balance calculation 20 References 22

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents". Drafting. This document supersedes GB/T 32358-2015 "Test Methods for Rail Transit Locomotives and Rolling Stock", and is consistent with GB/T 32358-2015. Aside from structural adjustments and editorial changes, the main technical changes are as follows. a) Terms and definitions have been changed (see Chapter 3, Chapter 3 of the.2015 edition); b) The altitude requirements have been changed (see Chapter 4, Chapter 4 in the.2015 edition); c) Additional pre-test inspection items for the test samples have been added (see Chapter 5); d) The requirements for rolling vibration test benches or rolling test benches have been changed (see 6.1.1,.2015 version of 6.1.1); e) Technical requirements for the bogie slewing resistance test bench have been added (see 6.1.2); f) The technical requirements for other auxiliary equipment have been changed (see 6.1.3, 6.1.2 in the.2015 version); g) The power supply system requirements for the traction test power supply of electric locomotives and electric multiple units have been changed, as well as the precision requirements for the main testing instruments on the test bench. Degree requirements (see 6.2, 6.3, and 6.2 and 6.3 in the.2015 edition); h) The general requirements and recommended test items for testing have been changed (see 8.1,.2015 version of 8.1); i) Modified the running gear operation test, temperature rise test, low-speed air brake test, and traction characteristic (traction force/speed characteristic curve) test. Tests include. anti-slip/electric braking coasting performance test, voltage variation test, motion stability test, operational response test, and vehicle suspension system test. System vibration characteristic test, vehicle body modal test, internal combustion locomotive traction thermal performance test, internal combustion locomotive oil-water cooling system performance test and Thermal balance tests (see 8.2.1, 8.4, 8.6, 8.9, 8.10, 8.12, 8.16, 8.17, 8.19, 8.20, 8.22, 8.23,.2015 edition) 8.2.2, 8.4, 8.6, 8.10, 8.11, 8.13, 8.17, 8.18, 8.20~8.23); j) The full-torque speed scan test and the diesel locomotive no-load fuel consumption measurement test have been removed (see sections 8.9 and 8.24 in the.2015 edition); k) Added tests for slewing resistance torque, efficiency, energy consumption, rated power, and system function (see 8.21, 8.24, and 8.25); l) Added calculation methods for the results of tests on the traction thermal performance of internal combustion locomotives and the performance and thermal balance of cooling devices (see Appendix A). Appendix B). Please note that some content in this document may involve patents. The issuing organization of this document assumes no responsibility for identifying patents. This document was proposed by the National Railway Administration. This document is under the jurisdiction of the National Technical Committee on Standardization of Rail Transit Electrical Equipment and Systems (SAC/TC278). This document was drafted by. CRRC Zhuzhou Electric Locomotive Research Institute Co., Ltd., Southwest Jiaotong University, and China Railway Inspection and Certification Zhuzhou Traction Electric Co., Ltd. Equipment Inspection Station Co., Ltd., CRRC Zhuzhou Electric Locomotive Co., Ltd., CRRC Qingdao Sifang Locomotive & Rolling Stock Co., Ltd., CRRC Datong Electric Locomotive Co., Ltd. CRRC Dalian Locomotive Co., Ltd. and CRRC Dalian Locomotive Research Institute Co., Ltd. The main drafters of this document are. Ding Rongjun, Wang Pengkui, Wu Pingbo, Jing Lin, Zou Xiaoyang, Wu Daole, Liu Yayun, Yan Kechao, and Yu Xiujun. This document was first published in.2015, and this is its first revision. Test methods for rail transit locomotives and rolling stock

1 Scope

This document specifies the environmental conditions, test specimens, instruments and equipment, and approval documents for locomotive and rolling stock bench testing, and describes the corresponding tests. method. This document applies to rail transit locomotives and rolling stock, including rail transit locomotives, EMU trains, passenger cars, freight cars, urban rail vehicles, and engineering vehicles.

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included. For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies. This document. GB/T 5599-2019 Specification for Evaluation and Testing of Dynamic Performance of Locomotives and Rolling Stock GB/T 25117-2020 Test Methods for Combined Traction Systems of Rail Transit Locomotives and Rolling Stock GB/T 44991-2025 Test methods for rail transit locomotives and rolling stock before they are put into service after manufacture TB/T 1407.1 Train traction calculation - Part 1.Locomotive-traction trains TB/T 1492-2017 Single-vehicle test of railway vehicle brakes TB/T 3098-2004 Detailed Rules for Certification Tests of Diesel Engines for Railway Power Units TB/T 3540.1-2018 Test methods for traction thermal performance of diesel locomotives - Part 1.Stationary test

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 Rolling vibration test rig Using track wheels to simulate steel rails, and with the help of a vibration system, traction power supply, and other support systems, the traction, braking, and dynamic testing of locomotives and rolling stock are performed on a test bench. Complete sets of equipment for mechanical testing. 3.2 rolling test bench Using track wheels to simulate steel rails, and with the aid of traction power supply and other support systems, traction, braking, and rolling tests of locomotives and rolling stock were conducted. Complete sets of equipment. 3.3 Vibration test bench A complete set of equipment for bench vibration testing of locomotives and rolling stock using a vibration excitation system. 3.4 Utilizing the support and rotation functions of the test platform, the bogie can be rotated while supporting the entire vehicle, enabling testing of rotational torque and rotational angle. The test bench. 3.5 The rolling vibration test bench or rolling test bench is used to simulate the operation test conducted on the factory test line and the main line. ...