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QC/T 895-2011 PDF in English


QC/T 895-2011 (QC/T895-2011, QCT 895-2011, QCT895-2011)
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QC/T 895-2011: PDF in English (QCT 895-2011)

QC/T 895-2011 ICS 43.040 T 35 QC INDUSTRY STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA QC/T 895–2011 On-board conductive charger for electric vehicles ISSUED ON. DECEMBER 20, 2011 IMPLEMENTED ON. JULY 01, 2012 Issued by. The Ministry of Industry and Information Technology of the People's Republic of China Announcement of the Ministry of Industry and Information Technology of the People's Republic of China [2011] No. 43 The Ministry of Industry and Information Technology has approved 1081 industrial standards such as "Water Cooled Tubular Heat Exchangers" (standard number, name, main content and implementation date are detailed in Attachment 1) and 19 non-ferrous and metallurgy professional standard samples (see Attachment 2), including. 258 chemical industry standards, 7 petrochemical standards, 43 metallurgy standards (including 11 standard samples), 148 non-ferrous standards (including 8 standard samples), 92 building material standards, 11 rare earth standards, 3 gold industrial standards, 85 textile standards, 125 light industry standards, 49 automotive standards, 177 machinery standards and 102 communication standards. They are announced now. The above chemical industry standards are published by Chemical Industry Press; the petrochemical standards are published by Sinopec Press; the metallurgy standards are published by Metallurgical Industry Press; the non-ferrous, gold, rare earth and textile standards are published by China Standards Press; the building material standards are published by China Building Materials Press; the light industry standards are published by China Light Industry Press; the machinery standards are published by China Machine Press; the automotive standards are published by China Planning Press; and the communication standards are published by Posts & Telecom Press. Attachment. Number, Name and Implementation Date of 49 Automotive Standards Ministry of Industry and Information Technology of the People's Republic of China December 20, 2011 Attachment. Number, Name and Implementation Date of 49 Automotive Standards Table of Contents Foreword ... 7 1 Scope ... 8 2 Normative References ... 8 3 Terms and definitions ... 9 4 Basic components ... 10 5 Parameters ... 11 6 Requirements ... 12 7 Test method ... 17 8 Inspection rules ... 26 9 Marking, packaging, transportation and storage ... 29 Annex A (Normative) Control guide circuit ... 31 Foreword This standard was drafted in compliance with the rules in GB/T 1.1-2009. This standard was proposed by and under the jurisdiction of the National Technical Committee on Road Vehicles of Standardization Administration of China (SAC/TC 114). Drafting organizations of this standard. Shenzhen BYD Company Limited, China Automotive Technology & Research Centre, Tianjin Qingyuan Electric Vehicle Co., Ltd, Chery Automobile Co., Ltd, Beijing Institute of Technology, Beijing Jiaotong University, Beiqi Foton Motor Co., Ltd, Chongqing Changan New Energy Automobile Co., Ltd, Wanxiang EV Co., Ltd., and Tianjin Lishen Battery Joint-stock Co., Ltd. Chief drafting staffs of this standard. Zhang Jianhua, Wei Yu, Meng Xiangfeng, Zhao Chunming, Niu Liyong, Hu Hao, Yuan Changrong, He Yuntang, Niu Kaihua, Li Lei, Zeng Xiangbing, Liu Peng, Huang Yu, and Zhang Na. On-board conductive charger for electric vehicles 1 Scope This standard specifies the basic structure, parameters, requirements, test methods, inspection rules and markings, packaging, transport and storage of on-board conductive charger for electric vehicles (hereinafter referred to as on-board charger). This standard applies to the on-board charger used for the pure electric vehicles and the hybrid electric vehicles which are external rechargeable. 2 Normative References The following standards contain provisions which, through reference in this standard, constitute provisions of this standard. For the dated references, all the subsequent amendment lists (excluding the content of corrigendum) or revisions do not apply to this standard; however, the involved parties who enter into agreements based on this standard are encouraged to investigate the possibility of applying the latest editions of the standards indicated below. For the undated references, the latest edition applies to this standard. GB 191 Packaging - Pictorial markings for handling of goods (eqv ISO 780) GB/T 2423.17 Basic environmental testing procedures for electric and electronic products - Test Ka. Salt mist GB 4208-2008 Degrees of protection provided by enclosure(IP code) GB/T 15139-1994 General technical standard for electrical equipment structure GB 17625.1-2003 Electromagnetic compatibility-Limits - Limits for harmonic current emissions (equipment input current≤16A per phase) GB/Z 17625.6-2003 Electromagnetic compatibility--Limits--Limitation of emission of harmonic currents in low-voltage power supply systems for equipment with rated current greater than 16A GB/T 18384.3-2001 Electric vehicles-Safety specification-Part 3. Protection of persons against electric hazards GB/T 18487.1 Electric vehicle conductive charging system--Part 1. General requirements GB/T 18487.3 Electric vehicle conductive charging system A.C./D.C. Electric vehicle charging station GB/T 18488.1-2006 The electrical machines and controllers for electric vehicles - Part 1. General specification GB/T 19596 Terminology of electric vehicles GB/T 19826-2005 General specification and safety requirement for DC power supply equipment of power projects GB/T 20234.2-2011 Connection set of conductive charging for electric vehicles—Part 2. AC charging coupler QC/T 413-2002 Basic technical requirements for automotive electric equipment 3 Terms and definitions Terms defined in GB/T 19596 and GB/T 18487.1 as well as following definitions and terms apply to this standard. 3.1 On-board charger Refers to a device that installed on the electric automobile, and can converted the power of the public grid into direct current required by the on-board energy storage device and can charge the on-board energy storage device. 3.2 Charging efficiency The percentage of the ratio of the on-board charger DC output power and the AC input active power. 3.3 Total harmonic distortion (THD) The square-root of sum of squares of the ratio of the 2-th – 40-th harmonic current component AND the fundamental current. Where. Im — The n-th harmonic current component. I1 — Fundamental current. protection value, it shall turn off the output and give the alarm. After troubleshooting, it shall have the automatic recovery function. 6.4.3.3 Short-circuit protection. When the output short circuit happened before starting the on-board charger, it shall not start after powered on and shall give alarm. During operation, if the output short circuit happened, the output shall be turned off and give alarm. After troubleshooting, the on-board charger shall be able to work normally. 6.4.3.4 Over-temperature Protection. When the temperature at the temperature sampling point of the on-board charger exceeds the set value of over temperature protection, it shall automatically enter into the state of over temperature protection, and shall run at a reduced power or shut down. After the on-board charger’s temperature returns to normal, it shall have the automatic recovery function. 6.4.3.5 Reverse-connection Protection. For the on-board charger of which the output port does not have anti-reverse, when the DC output terminal and the polarity of on-board energy storage device are connected reversely, it shall not be started and shall give alarm. After troubleshooting, the on-board charger shall be able to work normally. 6.4.3.6 Potential equilibrium and ground protection. The resistance between conductive parts that are directly accessible to the human body in the on-board charger and the potential equilibrium shall not be greater than 0.1. The on-board charger grounding point shall have obvious grounding sign. 6.4.3.7 Power-off protection. The on-board charger shall have the function of cutting off the power supply quickly in the exceptional circumstances. 6.4.4 Low voltage power supply function. For the on-board charger with a low-voltage auxiliary power, the low voltage auxiliary power supply shall provide a DC voltage with a nominal value of 12V or 24V, and the DC voltage ripple factor shall be less than 1%. 7.4.3.2.2 Output under-voltage protection. At the voltage and frequency range conditions specified in 6.3, start up on-board charger to make it run at constant current, and reduce the load resistance, making the output voltage of the on-board charger lower than the DC under-voltage protect... ......
 
Source: Above contents are excerpted from the PDF -- translated/reviewed by: www.chinesestandard.net / Wayne Zheng et al.