Chinese standards (related to): 'GB/T 29307-2012'
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| GB/T 29307-2022 | English | 230 |
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Reliability test methods of drive motor system for electric vehicles
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GB/T 29307-2022
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GBT 29307-2022
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| GB/T 29307-2012 | English | 70 |
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The reliability test methods of drive motor system for electric vehicles
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GB/T 29307-2012
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GBT 29307-2012
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| Standard ID | GB/T 29307-2012 (GB/T29307-2012) | | Description (Translated English) | The reliability test methods of drive motor system for electric vehicles | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | T21 | | Classification of International Standard | 43.040 | | Word Count Estimation | 10,168 | | Quoted Standard | GB/T 2900.13; GB/T 18488.1; GB/T 18488.2; GB/T 19596; QC/T 893-2011 | | Drafting Organization | Beijing Institute of Technology | | Administrative Organization | National Automotive Standardization Technical Committee | | Regulation (derived from) | National Standards Bulletin No. 41 of 2012 | | Proposing organization | Ministry of Industry and Information Technology of the People's Republic of China | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the electric vehicle drive motor system in the general reliability of the bench test methods, including the reliability of the test load specification and reliability evaluation method. This standard applies to the final power outp |
GB/T 29307-2012: PDF in English (GBT 29307-2012)
GB/T 29307-2012
ICS 43.040
T 21
NATIONAL STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
The reliability test methods of drive motor system for
electric vehicles
ISSUED ON. DECEMBER 31, 2112
IMPLEMENTED ON. JUNE 01, 2013
Issued by.
General Administration of Quality Supervision, Inspection and
Quarantine of the People’s Republic of China;
Standardization Administration of the People’s Republic of China
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative Reference ... 4
3 Terms and definitions ... 4
4 Test Conditions ... 5
5 Test Procedures ... 6
6 Reliability Test ... 6
7 Inspection and Maintenance ... 8
8 Systemize the Test Results ... 9
9 Reliability Evaluation ... 9
10 Test Report ... 10
Annex A ... 12
Foreword
This Standard is drafted according to the rules specified in GB/T 1.1-2009.
This Standard is proposed by Ministry of Industry and Information Technology of the People’s Republic
of China.
This Standard is under the jurisdiction of National Technical Committee of Auto Standardization (SAC/TC
114).
This Standard is drafted by organizations. Beijing Institute of Technology, Chinese Automotive
Technology & Research Center, Shanghai Edrive Co., Ltd., CRS Zhuzhou Institute Co., Ltd., Tianjin
Qingyuan Electric Vehicle Co., Ltd., SAIC Motor Corp., Shenzhen BYD Auto Co., Ltd., Chongqing
Chang’an New Energy Automobile Co., Ltd., China Tex Mechanical & Electrical Engineering Co., Ltd.,
Board-Ocean EV Technology Co., Ltd., and JJE Technology (Beijing) Co, Ltd.
The main drafters of this Standard are. Song Qiang, Sun Fengchun, Gong Jun, Guo Wei, Guo Shuying,
Fu Zhenxing, Cai Wei, Dou Ruzhen, Meng Xiangfeng, Jia Aiping, Yan Zhiping, Bi Ronghua, Zhu
Xuguang, and Xiao Wei.
The reliability test methods of drive motor system for
electric vehicles
1 Scope
This Standard specifies general reliability test methods of drive motor system for electric vehicles on test
bench, including reliability test load specifications and assessment methods.
This Standard applies to drive motor system for electric vehicles driven by electric motor or jointly driven
by engine and electric motor.
2 Normative Reference
The articles contained in the following documents become part of this Standard when they are quoted
herein. For the dated documents so quoted, all the modifications (Including all corrections) or revisions
made thereafter shall be applicable to this Standard.
GB/T 2900.13 Electrotechnical terminology - Dependability and quality of service
GB/T 18488 (all parts) The electrical machines and controllers for electric vehicles
GB/T 19596 Terminology of electric vehicles
QC/T 893-2011 Failure classification and assessment of electrical machine system for electric vehicle
3 Terms and definitions
The terms and definitions defined in GB/T 2900.13, GB/T 18488 (all parts), GB/T 19596, and QC/T
893-2011, and following definitions and terms apply to this document.
3.1
Continuous Torque
Maximum and long-term working torque - under specified S1 working system, and under rated voltage
and rated speed of automotive drive motor system.
3.2
Maximum Work Speed
Corresponding to motor speed of electric vehicles at the highest driving speed, at such speed
7.4.1 Allow shutdown one time; make an inspection tour for testing equipment and inspect fastener,
mechanical adapting piece and piping, especially the hose; and inspect connecting cable and port; in principle,
inspect the rack itself only.
7.4.2 Inspect liquid level of cooling liquid and whether there is a leak and other phenomena in cooling
system; supplement cooling liquid when necessary.
7.4.3 Time of shutdown inspection shall be no less than 0.5h.
7.5 Handling for Failure and Shut Down
7.5.1 Record the reason of each shutdown and operation contents.
7.5.2 In case of a failure, conduct failure analysis, eliminate failure and make a record.
7.5.3 The interrupted load cycle will not be included in reliability working hours of drive motor system.
In case that shutdown time is more than1h, then, 1h after cycle is started again will not be included in
reliability working hours of drive motor system.
8 Process Test Results
8.1 Record according to QC/T 893-2011, provide photos when necessary and conduct precise analysis.
8.2 Based on actual running time (h) of the drive motor system under tested and records during running,
evaluation is conducted according to Chapter IX.
9 Reliability Evaluation
9.1 Actual running time of the drive motor system under tested shall be no less than 402 h.
9.2 Mean time to first failure, number of failure shutdown and mean time between failures are used for
evaluating reliability test failure.
Mean Time to First Failure MTTFF
... (1)
... (2)
Where.
MTTFF - Estimatd value of mean time to first failure, the unit is in hour (h);
Test report shall at least include.
a) Foreword. Explain the source of test tasks;
b) Test basis;
c) Test objectives;
d) Test object. indicate the main parameters of drive motor system tested and attach graphs, photos
and necessary description;
e) Test equipment and instruments. name, manufacturers, model, precision, other basic parameters
like calibration date and measurement locations of the main equipment and instruments shall be
indicated clearly;
f) Difference between test condition and standard;
g) Test results.
1) Systemize the original test date and present them by using curve as far as possible, and list
can be made for important data;
2) Calculated results of reliability evaluation index;
3) Statistics of failure and maintenance;
4) Adjustment and replacement record during test;
5) Performance test result;
h) Conclusions and suggestions.
1) Describe the mode, type and quantity of failures;
2) Describe mean time to first failure and mean time between failures;
3) When necessary, put forward improvement and supplementary test advices based on the
reliability test results;
i) Test date.
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