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GB/T 18488-2024: Drive motor system for electric vehicles (English PDF)

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GB/T 18488-2024: Drive motor system for electric vehicles
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GB/T 18488: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] deliveryName of Chinese StandardStatus
GB/T 18488-2024English625 Add to Cart 0-9 seconds. Auto-delivery Drive motor system for electric vehicles Valid
GB/T 18488.1-2015English95 Add to Cart 0-9 seconds. Auto-delivery [Replaced by GB/T 18488-2024] Drive motor system for electric vehicles -- Part 1: Specification Obsolete
GB/T 18488.1-2006English170 Add to Cart 0-9 seconds. Auto-delivery The electrical machines and controllers for electric vehicles -- Part 1: General specification Obsolete
GB/T 18488.1-2001English470 Add to Cart 0-9 seconds. Auto-delivery General specification of the electrical machines and controllers for electric vehicles Obsolete

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Similar standards

GB/T 18386.2 | GB/T 18386.1 | GB/T 18388 | GB/T 47283 | 

GB/T 18488-2024: Drive motor system for electric vehicles

GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 43.120 CCS T 47 Replacing GB/T 18488.1-2015, GB/T 18488.2-2015 Drive Motor System for Electric Vehicles Issued on. MAY 28, 2024 Implemented on. MAY 28, 2024 Issued by. State Administration for Market Regulation; Standardization Administration of the People’s Republic of China.

Table of Contents

Foreword... 3 1 Scope... 5 2 Normative References... 5 3 Terms and Definitions... 6 4 Model Naming... 8 5 Technical Requirements... 8 5.1 General Items... 8 5.2 Input & Output Characteristics... 10 5.3 Safety... 12 5.4 Environmental Adaptability... 14 5.5 Electromagnetic Compatibility Performance... 19 6 Test Methods... 19 6.1 Test Preparation... 19 6.2 Tests of General Items... 21 6.3 Test of Input & Output Characteristics... 24 6.4 Safety Test... 30 6.5 Environmental Adaptability Test... 32 6.6 Electromagnetic Compatibility Test... 44 7 Inspection Rules... 45 7.1 Consistency Inspection... 45 7.2 Type Inspection... 45 8 Marking and Identification... 46 8.1 Lead Wires and Terminals... 46 8.2 Nameplate of Drive Motor... 46 8.3 Nameplate of Drive Motor Controller... 46 8.4 Nameplate of Integrated Drive Motor System... 47 8.5 Warning against Danger... 47 Appendix A (informative) Model Naming of Drive Motors, Drive Motor Controllers and Drive Motor Systems... 48 Appendix B (normative) Technical Requirements and Test Methods for Split Drive Motor Systems... 53 Appendix C (normative) Inspection Classification... 60 Bibliography... 63 Drive Motor System for Electric Vehicles

1 Scope

This document specifies the model naming, technical requirements, test methods, inspection rules, marking and identification of drive motor system for electric vehicles. This document is applicable to drive motor systems, drive motors and drive motor controllers for electric vehicles. Vehicle motors that only have the function of generating electricity, and their controllers may take this document as a reference.

2 Normative References

The contents of the following documents constitute indispensable clauses of this document through normative references in the text. In terms of references with a specified date, only versions with a specified date are applicable to this document. In terms of references without a specified date, the latest version (including all the modifications) is applicable to this document. GB/T 1971 Rotating Electrical Machines - Terminal Markings and Direction of Rotation GB/T 2900.25 Electrotechnical Terminology - Rotating Electrical Machines GB/T 2900.33 Electrotechnical Terminology - Power Electronics GB/T 4208-2017 Degrees of Protection Provided by Enclosure (IP code) GB/T 12673 Motor Vehicle Main Dimensions Measurement Method GB/T 15089 Classification of Power-driven Vehicle and Trailers GB 18384 Electrically Propelled Road Vehicles - Safety Specifications GB/T 18655-2018 Vehicles, Boats and Internal Combustion Engines - Radio Disturbance Characteristics - Limits and Methods of Measurement for the Protection of On-board Receivers GB/T 19596-2017 Terminology of Electric Vehicles GB/T 21437.2 Road Vehicles - Test Method of Electrical Disturbances from Conduction and Coupling - Part 2.Electrical Transient Conduction along Supply Lines Only GB/T 33014.2 Road Vehicles - Component Test Methods for Electrical / Electronic Disturbances from Narrowband Radiated Electromagnetic Energy - Part 2.Absorber-lined Shielded Enclosure GB/T 33014.4 Road Vehicles - Component Test Methods for Electrical / Electronic Disturbances from Narrowband Radiated Electromagnetic Energy - Part 4.Bulk Current Injection (BCI) GB 34660-2017 Road Vehicles - Requirements and Test Methods of Electromagnetic Compatibility GB/T 42284.3-2022 Road Vehicles - Environmental Conditions and Testing for Electrical and Electronic Equipment for Drive System of Electric Propulsion Vehicles - Part 3.Mechanical Loads GB/T 42284.4-2022 Road Vehicles - Environmental Conditions and Testing for Electrical and Electronic Equipment for Drive System of Electric Propulsion Vehicles - Part 4.Climatic Loads

3 Terms and Definitions

The terms and definitions defined in GB/T 2900.25, GB/T 2900.33, GB/T 15089 and GB/T 19596, and the following are applicable to this document. 3.1 drive motor An electrical device that converts electrical energy into mechanical energy to provide driving force for the vehicle. This device also has the function of converting mechanical energy into electrical energy. [source. GB/T 19596-2017, Definition 3.2.1.1.2.1, modified] 3.2 drive motor controller A device that controls the transmission of energy between a power source and a drive motor. NOTE. it consists of control signal interface circuit, drive motor control circuit, drive circuit and power electronic module, etc. [source. GB/T 19596-2017, Definition 3.2.1.2, modified] 3.3 drive motor system A system installed on electric vehicles to provide driving force for vehicle driving and realize the mutual conversion between mechanical energy and electrical energy. NOTE. it includes drive motor, drive motor controller and auxiliary devices necessary for their operation. The auxiliary devices include transmission device integrated with the drive motor. [source. GB/T 19596-2017, Definition 3.1.2.1.10, modified]

4 Model Naming

The drive motor, drive motor controller and integrated drive motor system shall have named models. See Appendix A for the naming.

5 Technical Requirements

5.1 General Items 5.1.1 General requirements The drive motor system shall be flexibly idling, without abnormal noise (such as. friction between the stator and rotor, periodic abnormal noise, abnormal noise after bearing damage, and abnormal noise caused by tiny foreign objects stuck in the rotating parts, etc.) or jamming. 5.1.2 Appearance 5.1.2.1 The outer surface of the drive motor system shall have no obvious damage or deformation, and the coating shall not peel off. 5.1.2.2 If a nameplate is installed, the nameplate of the drive motor system shall be squarely and firmly installed, with clear writing. 5.1.2.3 The lead wires or terminals of the drive motor system shall be intact, and the fastener connections shall not be loose. 5.1.2.4 The drive motor and drive motor controller shall satisfy the requirements of 5.1.2.1 ~ 5.1.2.3.

6 Test Methods

6.1 Test Preparation 6.1.1 Test environmental conditions Unless otherwise specified, all tests shall be conducted under the following environmental conditions. a) Temperature. 18 C ~ 28 C; b) Relative humidity. 10% ~ 90%; c) Atmospheric pressure. 86 kPa ~ 106 kPa. 6.1.2 Selection of test instruments 6.1.2.1 Instrument accuracy The accuracy or error of the instrument shall not be lower than the requirements of Table 3 and shall satisfy the accuracy requirements of the actual measured parameters. Especially for electrical parameter measurement instruments, they shall be able to satisfy the accuracy and waveform requirements of the corresponding DC parameter and AC parameter measurement. 6.1.2.2 Error of measurement process The requirements for the error between the control value (actual value) and the target value are as follows. a) Voltage. when it is not greater than 250 V, the error shall be  2.5 V; when it is greater than 250 V, the error shall be  1%. b) Current.  1%. c) Temperature.  2 C. d) Flow rate.  0.5 L/min.

7 Inspection Rules

7.1 Consistency Inspection 7.1.1 The drive motor system shall undergo consistency inspection under one of the following conditions. The inspection items shall comply with the stipulations of Appendix C. a) When requested by the manufacturer’s quality inspection department; b) When the competent authority puts forward a request for consistency inspection. 7.1.2 The deviation between the measured input & output characteristic values and the corresponding declared values during type certification shall not exceed  5%. 7.2 Type Inspection 7.2.1 Under one of the following conditions, type inspection shall be carried out. a) When new products or old products are transferred to factories for production; b) After formal production, when there are major changes in structures, materials and processes that may affect the declared performance of the product; c) When the production resumes after one year of suspension; d) When there are significant differences between the exit-factory inspection results and the previous type inspection results. 7.2.2 Sample delivery Take products that have passed the exit-factory inspection for type inspection. 2 sets of samples shall be delivered. 7.2.3 Inspection procedures The inspection items and sample machine No. are as specified in Appendix C. 7.2.4 Evaluation of test results 7.2.4.1 Qualification If all items of the sample machines used for type inspection comply with the requirements in the inspection, then, they shall be deemed qualified in the type inspection. 7.2.4.2 Disqualification As long as one sample machine fails to comply with the requirements in any item in the inspection, then, they shall be deemed disqualified in the type inspection. 7.2.4.3 Performance degradation After the sample machines were subjected to the environmental test, performance degradation that does not affect the use is allowed. The allowable value of performance degradation is specified in the product technical specifications.

8 Marking and Identification

8.1 Lead Wires and Terminals The externally visible power lines or terminals of the drive motor system shall have obvious markings. The markings shall comply with the stipulations of GB/T 1971.The outer sheath of cables and wire harnesses shall comply with the stipulations of GB 18384.The positive and negative poles of the DC bus interface of the drive motor system are respectively marked with “+” and “”. The power lines or power terminals of the drive motor controller corresponding to each phase of the drive motor shall be consistent with the markings of the power lines or terminals of each phase of the drive motor. 8.2 Nameplate of Drive Motor The nameplate of the drive motor should include the following information. a) Manufacturer’s name; b) Model, serial No. and name; c) Main parameters. working voltage range, continuous power, peak torque and duration, peak power and duration, maximum working speed, insulation level and protection level. 8.3 Nameplate of Drive Motor Controller The nameplate of the drive motor controller should include the following information. a) Manufacturer’s name; b) Model, serial No. and name; c) Main parameters. working voltage range and protection level. 8.4 Nameplate of Integrated Drive Motor System 8.4.1 The nameplate of the integrated drive motor system should include the following information. a) Manufacturer’s name; b) Model, serial No. and name; c) Main parameters. working voltage range, continuous power, peak torque, peak power, maximum working speed, insulation level, protection level and transmission ratio. 8.4.2 The integrated drive motor system may choose to have separate nameplates for the drive motor and the drive motor controller or use a single nameplate. 8.4.3 If the drive motor system with a transmission device has multiple speed ratios, they should be respectively listed and separated by slashes, for example, 10/11/12. 8.5 Warning against Danger For the drive motor system whose DC bus voltage is Class B voltage, high-voltage warning signs should be set in conspicuous locations on the components in accordance with the stipulations of GB 18384.

Appendix A

(Informative) Model Naming of Drive Motors, Drive Motor Controllers and Drive Motor Systems A.1 Model Naming of Drive Motors A.1.1 Model composition of drive motors The drive motor model consists of five parts. drive motor type code, size specification code, signal feedback element code, cooling mode code and reserved code. The type code of other types of drive motors is QT or specified by the manufacturer with reference to GB/T 4831. ......
Source: Translated/reviewed by www.ChineseStandard.net / Wayne Zheng et al.
GB/T 18488-2024 English PDF: Image 1GB/T 18488-2024 English PDF: Image 2GB/T 18488-2024 English PDF: Image 3

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