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GB/T 25319-2010 PDF English

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GB/T 25319-2010: Fuel cell power system used for motor vehicles - Technical specification
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GB/T 25319-2010: Fuel cell power system used for motor vehicles - Technical specification

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GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 27.070 K 82 Fuel cell power system used for motor vehicles - Technical specification Issued on. NOVEMBER 10, 2010 Implemented on. MAY 1, 2011 Issued by. General Administration of Quality Supervision, Inspection and Quarantine; Standardization Administration Committee.

Table of Contents

Foreword... 3 1 Scope... 4 2 Normative references... 5 3 Terms and symbols... 6 4 Requirements... 8 5 Test methods... 11 6 Inspection rules... 14 7 Marks, description and technical documents... 16 Annex A (Informative) Product model preparation method... 20

Foreword

Annex A of this Standard is informative. This Standard was proposed by China Electrical Appliances Industry Association. This Standard shall be under the jurisdiction of National Technical Committee on Fuel Cell of Standardization Administration of China. Main drafting organization of this Standard. Shanghai Shenli Technology Co., Ltd. The drafting organizations of this Standard. Machinery Industry Beijing Institute of Technology and Economy, Pearl Hydrogen Co., Ltd. Main drafters of this Standard. Hu Liqing, Zhang Ruogu, Lu Chenyu, Sun Ting, Zhang Dai, Dong Hui. Fuel cell power system used for motor vehicles - Technical specification

1 Scope

1.1 General This Standard specifies the terms and symbols, requirements, test methods, inspection rules and marks, descriptions and technical documentation for automotive proton exchange membrane fuel cell power generation system. This Standard is applicable to the automotive proton exchange membrane fuel cell power generation system (hereinafter referred to as power generation system). 1.2 System boundary The system boundary is shown as Figure 1.In the figure, the part within the thick solid frame is the power generation system. The access arrows relative to the box refer to the input and output of the power generation system.

2 Normative references

The following standards contain the provisions which, through reference in this Standard, constitute the provisions of this Standard. For dated references, subsequent amendments (excluding corrections) or revisions do not apply to this Standard. However, the parties who enter into agreement based on this Standard are encouraged to investigate whether the latest versions of these documents are applicable. For undated reference documents, the latest versions apply to this Standard. GB/T 2900.18, Electrotechnical terminology - Low voltage apparatus GB/T 3512, Rubber, vulcanized or thermoplastic--Accelerated ageing and heat resistance tests--Air-oven method (GB/T 3512-2001, eqv ISO 188.1998) GB 3836.1, Explosive atmospheres - Part 1.Equipment - General requirements (GB 3836.1-2000, eqv IEC 60079-0.1998) GB/T 4942.1-2006, Degrees of Protection Provided by the Integral Design of Rotating Electrical Machined (IP Code) - Classification (IEC 60034-5.2000, IDT)

3 Terms and symbols

3.1 Terms and definitions The terms and definitions specified in GB/T 2900.18, GB 3836.1, GB 4943 and GB/T 20042.1 and the following ones apply to this document. 3.1.10 fuel consumption the amount of fuel consumed by the power generation system for a specified period of time under specified conditions, in kg/h 3.1.11 fuel consumption rate the amount of fuel consumed by the power generation system in the unit time and unit power, in g/(kW•h) 3.1.12 idle start-up time the time of which it takes for the power generation system to start from standby to idle conditions, in s 3.1.13 fuel utilization the ratio of the actual fuel consumption of the power generation system to the amount of fuel of input power generation system, in % 3.2 Symbol and status Symbol Meaning Unit

4 Requirements

4.1 Normal use conditions 4.2 Safety requirements 4.2.1 General safety The parts which use flammable substances, pressurized media, electrical energy, mechanical energy, etc. in the power generation system should meet requirements of relevant standards. The main parts include. 4.2.2 Safety of fuel supply and processing subsystem of power generation system 4.2.4 Safety monitoring, security subsystems Subsystems such as fuel supply subsystem (excluding fuel storage container), oxidant supply subsystem, water/heat management subsystem, control subsystem in power generation system should be connected with safety monitoring, security subsystems. Safety monitoring, security subsystems automatically control the safety of each subsystems, and shall, according to changes in the operation of power generation system, provide corresponding sound, light reminder and auto on-off control, so as to ensure the normal and safe operation of power generation system. 4.3 Fuel supply The fuel supplied to the power generation system shall comply with the relevant specific fuel cell power generation system standards and requirements. Impurities it contains which may have harmful effects on the power generation system should be within the manufacturer's specified scope. 4.5 Oxidant treatment subsystem The oxidant treatment subsystem which includes filter, piping, processing device, sensor, valve, etc. shall comply with corresponding standards. The filter in the oxidizer supply subsystem is only for the treatment of particle grade dust. 4.6 Thermal management subsystem The thermal management subsystem which includes radiator and matching fan, pipe, circulating fluid pump, valve, sensor, cooling fluid storage box and replenishment box, etc. shall comply with corresponding standards. 4.10 Start time When power generation system carries out start test according to 5.2, the time required from start-up to idle conditions should be in accordance with the manufacturer's provisions. 4.13 Anti-vibration reliability The power generation system shall have certain ability to resist vibration, shall comply with GB/Z 18333.1-2001, shall ensure that the impact vibration generated during the normal use shall not damage each part of power generation system, shall ensure the normal operation of the whole power generation system.

5 Test methods

5.1 Safety test 5.1.1 Gas leakage test Close fuel chamber, oxidant chamber and cooling fluid chamber outlets of fuel cell stack in power generation system. Only through a fuel pipe inlet on the stacking board, connect with pressure gauge and flowmeter. Make inert gas (nitrogen, argon, etc.) 5.1.2 Insulation strength test Use megger to measure the current motherboard and power generation system package resistance respectively led by fuel cell stack positive and negative electrodes of power generation system. The insulation resistance of positive and negative electrodes to vehicle body shall exceed 100 Ω/V. 5.2 Start characteristic test The test shall be carried out according to the provisions of GB/T 24554-2009 and manufacturer’s provisions. 5.3 Work conditions test Under each conditions such as idle conditions, partially loaded conditions, rated conditions, overload conditions, respectively measure fuel consumption, battery stack output current and voltage, net output current and voltage of power generation system. Measure the power consumption of auxiliary support 5.4 Dynamic response characteristic test Evaluate the dynamic loading response and loading impact capability of power generation system. It shall mainly carry out the dynamic response time test and the dynamic cyclic loading test. 5.4.1 Dynamic response time test

6 Inspection rules

6.1 Each fuel cell power generation system is subject to inspection before leaving the factory with product certification. For different products, inspection is divided into type test, routine test and acceptance test. 6.3 For each product that is normally produced during the validity period of the type test, only the routine test shall be carried out. Routine tests include air tightness and insulation strength tests. The test methods are as follows. 6.4 For products specified in the contract between the supplier and the purchaser, if the contract has clearly defined the inspection items and test methods, the acceptance shall be carried out according to the provisions of the contract.

7 Marks, description and technical documents

The power generation system products shall have reliably fixed product nameplates, all kinds of marks and warning signs. 7.1 Product nameplate Power generation system product nameplate identification should contain at least the following information. 7.2 Marks If the connection of the power generation system due to the wrong position shall lead to hazards, these connections should be given a clear sign. The positive and negative connections should also be indicated. 7.3 Warning sign Warning sign shall at least contain. 7.4 Technical documents The product manual must have description on system integration, installation, operation and maintenance of power generation system, including installation manual, operating manual, maintenance manual, and spare parts lists, etc. 7.4.3 Operation manual The technical documentation shall contain an operating manual which describes in details the program of correct start and use of power generation system, in which the precautions should be given to safety measures and possible incorrect operations. 7.4.4 Maintenance manual The technical documentation should contain a maintenance manual. The maintenance manual should provide a detailed description of the commissioning, maintenance and preventive inspection, repair requirements and time intervals. It shall specify the confirmation method of the correct operation (such as software testing procedures). ......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.


      

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