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GB/T 25117-2020Railway applications - Rolling stock - Combined test method for traction systems (English PDF)

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Issued by

State Administration for Market Regulation, China National Standardization Administration

Level / Type

National · Recommended

Issue date

September 29, 2020

Implementation date

April 1, 2021

Scope

GB/T 25117-2020 (Railway applications - Rolling stock - Combined test method for traction systems) is available as an English-translated PDF.

GB/T 25117-2020 — This standard specifies the type inspection of the traction system, mainly including. a) Characteristic test; b) Test methods to verify characteristics. This standard does not specify the type inspection of each separate component. This standard applies to traction systems, which can be traction motors, converters, traction control devices including software, transformers, Input filter, braking resistor, main circuit breaker, cooling device, sensor and contactor etc. The schematic diagram of the traction system is shown in Figure 1.This figure does not represent the structure of all traction systems. Note. Energy storage power supplies include but are not limited to batteries and super capacitors. Figure 1 Schematic diagram of traction system

Document preview — GB/T 25117-2020

National Standard of the People's Republic of China

ICS: 29.280
Classification: S 35
Replacing: GB/T 25117.1-2010, GB/T 25117.2-2010, GB/T 25117.3-2010

Issued by: State Administration for Market Regulation, China National Standardization Administration

1 Scope1
2 Normative references3
3 Terms and definitions3
4 Traction system characteristics5
5 Test general requirements7
6 Test general conditions7
6.1 Test composition7
6.2 Cooling during the test10
6.3 Mechanical output measurement10
6.4 Measurement error and measurement accuracy13
6.5 Environmental conditions14
7 Torque characteristic test14
7.1 Overview14
7.2 Traction motor thermal torque characteristic test14
7.3 Cold torque characteristic test of traction motor15
7.4 Starting torque at zero speed16
8 Efficiency and energy consumption test16
8.1 Overview16
8.2 Efficiency characteristics16
8.3 Energy consumption test under the line operation curve17
9 Temperature rise test18
9.1 Overview18
9.2 Continuous load temperature rise test18
9.3 Temperature rise test under the line operating curve19
9.4 Parallel asynchronous traction motor wheel diameter difference test19
10 System function test21
10.1 Reverse start test21
10.2 Traction-brake conversion test22
10.3 Micro braking test23
11 Network pressure variation range test23
11.1 Test purpose23
11.2 Test conditions23
11.3 Test procedure24
11.4 Acceptance criteria24
12 System protection test25
12.1 Overview25
12.2 Voltage rapid change test25
12.3 Traction power supply voltage interruption test26
12.4 Traction power supply contact failure test26
12.5 Sudden failure test of regenerative braking27
12.6 Stopping test of traction inverter28
12.7 Temperature calculation function test28
12.8 Overcurrent and overvoltage protection test29
12.9 Control battery power interruption test29
13 Fault management test29
13.1 Overview29
13.2 Sensor function failure test30
13.3 Command and feedback signal loss30
13.4 Cooling system failure test30
13.5 Grounding and short-circuit faults30
14 Combined test of energy storage traction system30
Appendix A (Normative Appendix) Combined Test Items31
Appendix B (Normative Appendix) Special test items and test conditions for DC traction motors32
Appendix C (informative appendix) User and manufacturer agreement clause34
Reference35

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009.

This standard replaces GB/T 25117.1-2010 "Rail Transit Locomotive and Rolling Stock Combination Test Part 1.Inverter-powered AC

Combined test of flow motor and its control system", GB/T 25117.2-2010 "Rail Transit Locomotive and Rolling Stock Combined Test Part 2

Points. Combination test of chopper-powered DC traction motor and its control system" and GB/T 25117.3-2010 "Rail Transit Locomotive

Vehicle combination test Part 3.Combined test of AC motor and its control system powered by indirect converter". This standard and

Compared with GB/T 25117.1-2010, GB/T 25117.2-2010 and GB/T 25117.3-2010, the main technical changes are as follows.

---Modified the scope of application, and added the technical requirements for the combined test of the traction system composed of permanent magnet traction motors on the original basis (see

Chapter 1, GB/T 25117.1-2010, GB/T 25117.2-2010 and GB/T 25117.3-2010 Chapter 1);

---Modified "Terms and Definitions" (see Chapter 3, GB/T 25117.1-2010, GB/T 25117.2-2010 and GB/T 25117.3-

Chapter 3 of.2010);

---Deleted environmental conditions (see GB/T 25117.1-2010, GB/T 25117.2-2010 and GB/T 25117.3-2010

Chapter 4);

---Modified "Traction System Characteristics" and renamed the chapter title (see Chapter 4, GB/T 25117.1-2010, GB/T 25117.2-

2010 and Chapter 5 of GB/T 25117.3-2010);

--- Added "Test General Requirements" (see Chapter 5);

--- Deleted "test classification" (see GB/T 25117.1-2010, GB/T 25117.2-2010 and GB/T 25117.3-2010

Chapter 6);

---Modified "Test General Conditions" (see Chapter 6, GB/T 25117.1-2010, GB/T 25117.2-2010 and GB/T 25117.3-

7.2 of.2010);

--- Deleted Chapter 7 "Tests" of the.2010 edition, and scattered the contents of each test item to the standard Chapters 7~14

(See Chapter 7 of GB/T 25117.1-2010, GB/T 25117.2-2010 and GB/T 25117.3-2010);

---Modified "torque characteristic test", changed "full torque speed scan test" to "speed scan test", and used it as "traction motor thermal

As a sub-item of "state torque characteristic test", the item "starting torque test at zero speed" is added (see Chapter 7,

7.5.1 of GB/T 25117.1-2010, GB/T 25117.2-2010 and GB/T 25117.3-2010);

---Modified the acceptance criteria in "Hot Torque Characteristic Test of Traction Motor" and "Cold Torque Characteristic Test of Traction Motor" to take all traction

The sum of the motor torque is judged and the maximum working speed requirement in the test (see 7.2, 7.3, GB/T 25117.1-2010,

7.5.1.2 and 7.5.1.3 of GB/T 25117.3-2010);

---Modified the test requirements of "Traction Motor Cold Torque Characteristic Test", which only requires single point execution at the lowest speed point (see 7.3.3,

GB/T 25117.1-2010, GB/T 25117.3-2010 7.5.1.3);

---Added the energy consumption test items under the line operation curve in the "efficiency and energy consumption test" (see Chapter 8);

---Added the temperature rise test items under the line operation curve (see Chapter 9);

---Added the reverse start test item, traction-brake conversion test item and micro brake test in the "system function test" (see section

Chapter 10);

---Modified the "net voltage variation range test" (see Chapter 11, GB/T 25117.1-2010, GB/T 25117.3-2010, 7.6.1.2);

---Modified the "system protection test", split the short-term power supply interruption test in the.2010 edition into a traction power supply voltage interruption test

And traction power supply contact failure test, adding the regenerative braking sudden failure test and the traction converter stop test

Test, temperature calculation function test, over-current and over-voltage protection test, control battery power interruption test 5 test items (see

Chapter 12, GB/T 25117.1-2010, GB/T 25117.3-2010 7.6.1.3);

---Added the sensor function failure test, command and feedback signal loss, cooling system failure test,

4 test items for grounding and short-circuit faults (see Chapter 13);

---Added the combined test of energy storage traction system (see Chapter 14);

---Added special test items and test conditions for DC traction motors (see Appendix B);

---Modified the terms of the agreement between the user and the manufacturer (see Appendix C, Appendix A of GB/T 25117.1-2010, GB/T 25117.2-

2010 and Appendix B of GB/T 25117.3-2010).

This standard uses the redrafting method to amend and adopt IEC 61377.2016 "Combined Test of Traction System of Rail Transit Rolling Stock

method".

Compared with IEC 61377.2016, this standard has structural adjustments, adding 3.18, 3.19, 10.3 and Chapter 14.

Compared with IEC 61377.2016, this standard has technical differences, and the clauses involved in these differences have been passed in the outer margins.

The vertical single line (|) of the setting is marked. The technical differences and their reasons are as follows.

--- Regarding normative reference documents, this standard has made adjustments with technical differences to adapt to my country's technical conditions and adjustments.

The situation is collectively reflected in Chapter 2 "Normative Reference Documents", and the specific adjustments are as follows.

* Replace IEC 60850 with GB/T 1402 modified to adopt international standards (see Chapter 4, 6.1.2.2);

* Replace IEC 61287-1.2014 (see 10.3.4, 12.8) with GB/T 25122.1-2018 modified to adopt international standards;

* Replace IEC 60349-1.2010 (see B.3) with GB/T 25123.1-2018 modified to adopt international standards;

* Replace IEC 60349-2 with GB/T 25123.2 modified to adopt international standards (see Chapter 4, 7.2.2, 8.2.4);

* Replace IEC 60349-4 with GB/T 25123.4 modified to adopt international standards (see Chapter 4, 7.2.2, 8.2.4);

* Replace IEC 62313 (see 11.2) with GB/T 28027 modified to adopt international standards;

* Added reference to IEC 62864-1.2016.

--- Modify the scope, delete the note "This standard does not include energy storage systems" to meet actual needs (see Chapter 1).

---Modified the block diagram of the traction system in Chapter 1 of IEC 61377.2016, adding fuel cell-powered DC power supply and energy storage

Type power supply to meet actual needs (see Chapter 1).

--- Added the terms and definitions of "no power return" and "micro braking" to facilitate the understanding of the standard (see 3.18, 3.19).

---Modified the requirements of the test speed in the hot torque characteristic test of 7.2.4 in IEC 61377.2016, and deleted the maximum working speed.

Speed 90% of the requirements to meet actual needs (see 7.2.4).

--- The requirement of "only for locomotive traction system" in the zero-speed starting test of 7.4.1 in IEC 61377.2016 is deleted, and users can

According to the actual operating environment of the vehicle, choose whether to carry out the test to meet the actual needs (see Section 7.4.1).

---Modified the energy consumption test tolerance requirements of 8.3.4 in IEC 61377.2016 to meet actual needs (see 8.3.4).

--- Increased the requirements for traction motor bearings in the continuous temperature rise test to meet my country's national conditions (see 9.2.3).

---Added the micro-brake test items and requirements in the system function test to meet my country's national conditions (see 10.3).

---Added specific test items and requirements for energy storage traction system to meet my country's national conditions (see Chapter 14).

--- Modified the "efficiency characteristic" test as a mandatory test to meet actual needs (see Table A.1).

This standard has made the following editorial changes.

---In accordance with the requirements of GB/T 1.1-2009, the compilation of the "Scope" chapter was standardized;

---Adjusted the appendix numbers in the order of appearance in the text;

---The original text of IEC 61377.2016 was corrected, and 7.2.3 was added (see 7.4.1);

---Modified the selection symbol in the test item list, and replaced the "x" with "sqrt" to indicate selection.

Please note that certain contents of this document may involve patents. The issuing agency of this document is not responsible for identifying these patents.

This standard was proposed by the National Railway Administration.

This standard is under the jurisdiction of the National Traction Electrical Equipment and System Standardization Technical Committee (SAC/TC278).

Drafting organizations of this standard. Zhuzhou CRRC Times Electric Co., Ltd., China Railway Inspection and Certification Zhuzhou Traction Electrical Equipment Inspection Station Co., Ltd.

Company, CRRC Yongji Electric Co., Ltd., China Railway Research Institute Group Co., Ltd. Locomotive and Rolling Stock Research Institute, CRRC Qingdao Sifang Vehicle Research

Research Institute Co., Ltd.

1 Scope

This standard specifies the type inspection of the traction system, mainly including.

a) Characteristic test;

b) Test methods to verify characteristics.

This standard does not specify the type inspection of each separate component.

This standard applies to traction systems, which can be traction motors, converters, traction control devices including software, transformers,

Input filter, braking resistor, main circuit breaker, cooling device, sensor and contactor etc.

The schematic diagram of the traction system is shown in Figure 1.This figure does not represent the structure of all traction systems.

Note. Energy storage power supplies include but are not limited to batteries and super capacitors.

Figure 1 Schematic diagram of traction system

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.

Referenced standards

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