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QC/T 1068-2017

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标准编号: QC/T 1068-2017 (QC/T1068-2017)
中文名称: 电动汽车用异步驱动电机系统
英文名称: (Asynchronous Drive Motor System for Electric Vehicles)
行业: 汽车行业标准 (推荐)
发布日期: 2017-01-09
实施日期: 2017-07-01
标准依据: 工业和信息化部公告2017年第2号
范围: 本标准规定了电动汽车用异步驱动电机系统的要求、试验方法、检验规则、标志与标识。

QC/T 1068-2017
Asynchronous drive motor system for electric vehicles
电动汽车用异步驱动电机系统
1 范围
本标准规定了电动汽车用异步驱动电机系统的要求、试验方法、检验规则、标志与标识。
本标准适用于电动汽车用异步驱动电机系统。
2 规范性引用文件
下列文件对于本标准的应用是必不可少的。凡是注日期的引用文件,仅所注日期的版本适用于
本标准。凡是不注日期的引用文件,其最新版本(包括所有的修改单)适用于本标准。
GB 7 5 5 旋转电机定额和性能
GB/T 1032 三相异步电动机试验方法
GB/T 2900.25 电工术语旋转电机
GB/T 2900.33 电工术语电力电子技术
GB/T 18488.1一2 0 1 5 电动汽车用驱动电机系统第 1 部分:技术条件
GB/T 18488.2-2015 电动汽车用驱动电机系统第 2部分:试验方法
GB/T 19596 电动汽车术语
3 术语和定义
GB/T 2900.25、GB/T 2900.33,GB/T 18488.1-2015 和 GB/T 19596 界定的及下列术语和定
义适用于本标准。
3.1
异步驱动电机系统 asynchronous drive motor system
由异步驱动电机(以下简称驱动电机)、驱动电机控制器、连接电缆和驱动电机系统工作所必需
的辅助装置所构成的系统(以下简称驱动电机系统)。
3.2
空载电流典型值 declared value of no-load current
前 4 台驱动电机(其中 2台已做过型式检验)空载电流的平均值。
3.3
堵转电流典型值 declared value of locked current
前 4台驱动电机(其中 2台已做过型式检验)堵转电流的平均值。
4 要求
4.1 总则
驱动电机系统应满足 GB/T 18488.1-2015 和 4.2.4.3 的要求。
4.2 驱动电机空载电流容差
驱动电机在规定的工频电压下空载运行,空载电流不得偏离典型值的10%。
规定的工频空载电压(以下简称规定电压)通过计算得出,其值为驱动电机在整个运行范围内的
最大磁通值所对应的电压。
4.3 驱动电机堵转电流容差
驱动电机在规定的工频堵转电压下运行,堵转电流不得偏离典型值的±5%。
规定的工频堵转电压(以下简称规定电压)在所生产的第一台驱动电机上确定,其值为将驱动电
机堵住,能产生额定电流的工频电压。
5 试验方法
5.1 总 则
除 5.2,5.3 规定的试验方法外,其他试验项目的试验方法按 GB/T 18488.2-2015 执行。
5.2.5.3所规定的试验均在实际冷状态下进行,试验电源为工频电源。
5.2 驱动电机空载试验
进行型式检验的驱动电机必须测量空载曲线。其中起始点的电压为 4.2 规定电压的 1.25 倍,
然后逐步降低电压到可能达到的最低电压值(即电流开始回升时)为止,测量驱动电机各测量点的输
入电压、空载电流、空载损耗和功率因数。试验时至少测量 7点,其中必须精确测量 4.2规定电压下
的空载电流。试验后,根据 GB/T 1032 规定的方法绘制相应的曲线,并计算出风摩耗和铁耗。
进行出厂检验的驱动电机不必测量空载曲线,只需测量 4.2规定的电压时的空载电流。
5.3 驱动电机堵转试验
进行型式检验的驱动电机必须测量堵转特性曲线。将驱动电机转子堵住,施加工频电压。开始
点的堵转电流为 1.2倍额定电流,然后逐步降低电压,一直到堵转电流为 0.4-0.5 倍额定电流为
止。记录各测量点的电压、输人功率和功率因数。试验时至少测量 7点,其中要求在第一台驱动电
机上精确测量 4.3 规定的电压。试验后,绘制出堵转电压、输入功率和功率因数与堵转电流之间的
曲线。
进行出厂检验的驱动电机不必测量堵转曲线,只需测量 4.3规定电压时的堵转电流。
6 检 验 规 则
检验规则按 GB/T 18488.1-2015 执行,其中检验项目见附录 A。
7 标志与标识
按 GB/T 18488.1-2015 执行。

QC/T 1068-2017
QC
AUTO INDUSTRY STANDARD OF
THE PEOPLE’S REPUBLIC OF CHINA
ICS 43.040
T 35
Asynchronous drive motor
system for electric vehicles
电动汽车用异步驱动电机系统
ISSUED ON. JANUARY 9, 2017
IMPLEMENTED ON. JULY 1, 2017
Issued by. Ministry of Industry and Information Technology of the
People's Republic of China
Announcement
of Ministry of Industry and Information Technology of the
People's Republic of China
No.2, 2017
The Ministry of Industry and Information Technology approved 426 industry
standards (see the annex for standard references, names, main content and
dates of implementation) such as “Superconducting magnetic separator”
including 249 mechanical industry standards, 42 automotive industry standards,
10 pharmaceutical industry standards, 106 light industry standards, 4
metallurgical industry standards, 2 chemical industry standards, 7 electronic
industry standards, and 6 communications industry standards.
The above mechanical industry standards were published by the Machinery
Industry Press. Automotive industry standards were published by Science and
Technology Literature Publishing House. Pharmaceutical equipment industry
standards were published by China Planning Press. Light industry standards
were published by China Light Industry Press. Metallurgical industry standards
were published by Metallurgical Industry Press. Chemical industry standards
were published by Chemical Press. Electronic industry standards were
published by the Institute of Electronic Industry Standardization, Ministry of
Industry and Information Technology. Communication industry standards were
published by the People's Posts and Telecommunications Press.
Annex. References, names and dates of implementation of 42 automotive
industry standards.
Ministry of Industry and Information Technology of the People's Republic of
China
January 9, 2017
Table of Contents
Announcement ... 2 
Foreword ... 9 
1 Scope ... 10 
2 Normative references ... 10 
3 Terms and definitions ... 10 
4 Requirements ... 11 
5 Test methods ... 11 
6 Inspection rules ... 12 
7 Marks and identification ... 12 
Annex A (normative) Inspection classification ... 13 
Asynchronous drive motor
system for electric vehicles
1 Scope
This Standard specifies the requirements, test methods, inspection rules, marks
and identifications of asynchronous drive motor system for electric vehicles.
This Standard is applicable to the asynchronous drive motor system for electric
vehicles.
2 Normative references
The following referenced documents are indispensable for the application of
this document. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any
amendments) applies.
GB/T 755, Packaging and storage marks
GB/T 1032, Test procedure for three-phase induction motors
GB/T 2900.25, Electrotechnical terminology - Rotating electrical machines
GB/T 2900.33, Electrotechnical terminology - Power electronics
GB/T 18488.1-2015, Drive motor system for electric vehicles - Part 1.
Specification
GB/T 18488.2-2015, Drive motor system for electric vehicles - Part 2. Test
methods
3 Terms and definitions
For the purposes of this document, the terms and definitions defined in GB/T
2900.25, GB/T 2900.33, GB/T 18488.1-2015 and GB/T 19596 as well as the
followings apply.
3.1 asynchronous drive motor system
The tests specified in 5.2 and 5.3 are carried out under actual cold conditions.
Test power supply is industrial frequency power supply.
5.2 No-load test of drive motor
The drive motor that performs the type inspection must be subject to the
specified voltage of 4.2. Then gradually reduce the voltage to the lowest
possible voltage (i.e., when the current begins to rise). Measure input voltage,
no-load current, no-load loss, and power factor at each measurement point of
the drive motor. At least 7 points are measured during the test, in which the no-
load current at the voltage specified in 4.2 must be accurately measured. After
the test, draw the corresponding curve according to the method specified in
GB/T 1032, and calculate the wind wear and iron loss.
Drive motor for exit-factory inspection does not have to measure the no-load
curve. Only need to measure the no-load current at the voltage specified in 4.2.
The drive motor that performs the type inspection must measure the locked
characteristic curve. Lock the drive motor rotor and apply the power frequency
voltage. The locked current of the starting point is 1.2 times rated current. Then
gradually reduce the voltage till the locked current is 0.4~0.5 times rated current.
Record the voltage, input power and power factor of each measurement point.
Measure at least 7 points during the test, which requires an accurate
measurement of the voltage specified in 4.3 on the first drive motor. After the
test, draw the curve between locked voltage, input power and power factor and
locked current.
curve. Only need to measure the locked current at the voltage specified in 4.3.
6 Inspection rules
The inspection rules are in accordance with GB/T 18488.1-2015. See Annex A
for the inspection items.
7 Marks and identification
In accordance with GB/T 18488.1-2015.
   
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