GB/T 36288-2018 PDF EnglishUS$85.00 · In stock · Download in 9 seconds
GB/T 36288-2018: Fuel cell electric vehicles -- Safety requirement of fuel cell stack Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid
Similar standardsGB/T 36288-2018: Fuel cell electric vehicles -- Safety requirement of fuel cell stack---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT36288-2018GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 27.070 K 82 Fuel cell electric vehicles - Safety requirement of fuel cell stack Issued on: JUNE 7, 2018 Implemented on: JANUARY 1, 2019 Issued by. State Administration for Market Regulation; Standardization Administration of the PRC. Table of ContentsForeword ... 3 1 Scope ... 4 2 Normative references ... 4 3 Terms and definitions ... 4 4 General ... 5 5 Requirements ... 5 5.1 Safety requirement of mechanical shock ... 5 5.2 Safety requirement of airtightness ... 6 5.3 Electrical safety requirements ... 6 6 Test methods ... 6 6.1 Mechanical shock ... 6 6.2 Airtightness ... 6 6.3 Electrical safety ... 7 7 Warning mark ... 7 8 Product manual ... 7 Fuel cell electric vehicles - Safety requirement of fuel cell stack1 ScopeThis Standard specifies the safety requirements for fuel cell stack for fuel cell electric vehicles in terms of hydrogen safety, electrical safety, and mechanical structure, etc. This Standard applies to the proton exchange membrane fuel cell stack for vehicles. This Standard only deals with hazards to the outside of the human body and fuel cell stacks, and does not involve protection of the interior of the fuel cell stack, assuming that such internal damage does not pose a hazard to the outside of the fuel cell.2 Normative referencesThe following documents are indispensable for the application of this document. For the dated references, only the versions with the dates indicated are applicable to this document. For the undated references, the latest version (including all the amendments) are applicable to this document. GB/T 18384.1 Electrically propelled road vehicles - Safety specifications - Part 1. On-board rechargeable energy storage system (REESS) GB/T 18384.3 Electrically propelled road vehicles - Safety specifications - Part 3. Protection of persons against electric shock GB/T 20042.2-2008 Proton exchange membrane fuel cell - General technical specification of fuel cell stacks GB/T 24548 Fuel cell electric vehicles - Terminology GB/T 28816 Fuel cell - Terminology3 Terms and definitionsWhat defined in GB/T 24548 and GB/T 28816 and the following terms and definitions are applicable to this document. 3.1 Fuel cell stack for vehicle 5.2 Safety requirement of airtightness USE pressure drop method to test the airtightness of fuel cell stack. The result shall not be lower than 85% of the initial pressure. 5.3 Electrical safety requirements 5.3.1 Requirement of insulation property When the fuel cell stack is filled with coolant and the coolant is in a cold cycle state, the ground insulation of positive and negative electrodes shall not be lower than 100 Ω/V. 5.3.2 Requirement for protection of persons against electric shock The requirement for protection of persons against electric shock of fuel cell stack shall comply with the relevant provisions of GB/T 18384.3. 5.3.3 Requirement of ground protection When the output voltage of fuel cell stack is higher than 60 V, the fuel cell stack needs to have a grounding point. The resistance between the grounding point and all bare metals shall be less than 0.1 Ω.6 Test methods6.1 Mechanical shock After the fuel cell stack is installed and fixed, in 3 axial directions. X direction, Y direction, and Z direction, PERFORM shock test with a shock acceleration of 5.0 g. The mechanical shock pulse is a half sinusoidal waveform and lasts for 15 ms, once in each direction. Note. The X direction is the vehicle’s heading direction. The Y direction is the lateral direction. The Z direction is the vertical direction. 6.2 Airtightness The fuel cell stack is in a cold state. CLOSE the hydrogen exhaust port, air exhaust port, and coolant outlet of the fuel cell stack; and at the same time, ADD helium-nitrogen mixed gas to the hydrogen flow channel, air flow channel, and coolant flow channel. The helium concentration shall not be less than 10%. The pressure shall be set at the normal working pressure (gauge pressure). After the pressure is stabilized, the inlet valve is closed; and the pressure is maintained for 20 min. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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