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Chinese Standard: 'SJT11633-2016'
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SJ/T 11633-2016
ICS 30.060.10
L 11
Record No..
Supporting high-voltage bus capacitors selective
specifications for electric vehicle motor controller
电动汽车电机控制器用高压电容器 选型规范
Issued by. Ministry of Industry and Information Technology of the
People's Republic of China
Table of Contents
Foreword ... 3 
1 Scope ... 4 
2 Normative references ... 4 
3 Terms and definitions ... 5 
4 Selective requirements ... 5 
Annex A (normative) Type inspection ... 8 
Annex B (normative) Delivery inspection ... 10 
This Standard was drafted in accordance with the rules given in GB/T 1.1-2009.
Attention is drawn to the possibility that some of the elements of this Standard
may be the subject of patent rights. The issuing authority shall not be held
responsible for identifying any or all such patent rights.
This Standard shall be under the jurisdiction of Institute of Electronic Industry
Standards, Ministry of Industry and Information Technology.
Main drafting organizations of this Standard. BYD Auto Industry Co., Ltd., Chery
New Energy Automotive Technology Co., Ltd., Jianghuai Automobile Co., Ltd.,
Shanghai Electric Drive Co., Ltd., Shenzhen Huichuan Technology Co., Ltd.,
Shenzhen Lanhai Huateng Technology Co., Ltd., Shanghai Zhongke Shenjiang
Electric Vehicle Co., Ltd., Huizhou BYD Battery Co., Ltd., Xiamen Farah
Electronics Co., Ltd., Wuxi Zhonghui Automotive Electronic Technology Co.,
Ltd., Car Information Service Industry Application Alliance.
Main drafters of this Standard. Yang Wei, Yang Guangming, Wu Rui, Rao
Shengyuan, Wu Hongliang, Xu Hua, Chen Xuanwei, Xu Yandong, Xu Xuehai,
Zeng Dezhi, Luo Jian, Sun Jiangming, Yang Ruicheng, Chen Haitao.
Supporting high-voltage bus capacitors selective
specifications for electric vehicle motor controller
1 Scope
This Specifications specifies the selective requirements for supporting high-
voltage bus capacitors for electric vehicle motor controller (hereinafter referred
to as the capacitor), mainly including the selective requirements for DC-Link
capacitors. Other types of capacitors can refer to use.
This Specifications is applicable to the capacitors for hybrid vehicle with rated
DC voltage over 60V, plug-in hybrid vehicle and pure electric vehicle.
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 2423.1-2008, Environmental testing - Part 2. Test methods - Tests A.
GB/T 2423.2-2008, Environmental testing - Part 2. Test methods - Tests B.
Dry heat
GB/T 2423.3-2006, Environmental testing for electric and electronic products
- Part 2. Testing method test Cab. Damp heat Steady state
GB/T 2423.22-2012, Environmental testing - Part 2. Tests methods - Test N.
Change of temperature
GB/T 2693-2001, Fixed capacitors for use in electronic equipment - Part 1.
Generic specification
GB/T 17702-2013, Capacitors for power electronics (IEC 61071.2007, IDT )
GB/T 19596, Terminology of electric vehicles
GB/T 28046.3-2011, Road vehicles - Environmental conditions and testing
for electrical and electronic equipment - Part 3. Mechanical loads
4.3.4 Equivalent series resistance (ESR)
The equivalent series resistance of the capacitor shall meet the detailed
specification of the product.
4.3.5 Rated ripple current
The rated ripple current of the capacitor shall ensure long-term reliable
operation of the capacitor at its rated voltage and frequency range and at 85°C.
4.3.6 Peak ripple current
The capacitor shall meet the requirements of motor controller's peak ripple
4.3.7 Equivalent series induction (ESL)
The equivalent series inductance of the capacitor does not affect the normal
operation of the system. Motor controller designer shall give the highest
inductance requirement.
4.3.8 Voltage between electrode terminal and shell
The voltage between the electrode lead-out terminal of the capacitor and the
housing shall ensure the withstand voltage performance of the motor controller.
4.3.9 Thermal insulation resistance
The thermal insulation resistance of the capacitor shall meet the requirements
of the motor controller.
4.4 Envi......
Related standard:   SJ/T 11236-2020  SJ/T 11751-2020
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