GB/T 38775.1-2020 PDF EnglishUS$345.00 · In stock · Download in 9 seconds
GB/T 38775.1-2020: Electric Vehicle Wireless Power Transfer - Part 1: General Requirements 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 38775.1-2020: Electric Vehicle Wireless Power Transfer - Part 1: General Requirements---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/GBT38775.1-2020NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 43.040 T 35 Electric Vehicle Wireless Power Transfer - Part 1.General Requirements Issued on. APRIL 28, 2020 Implemented on. NOVEMBER 1, 2020 Issued by. State Administration for Market Regulation; Standardization Administration of the People’s Republic of China. Table of ContentsForeword... 3 1 Scope... 4 2 Normative References... 4 3 Terms and Definitions... 6 4 Abbreviations... 9 5 Overall Requirements for Power Transfer System... 9 6 Classification... 16 7 Interoperability Requirements... 17 8 Communication Requirements... 19 9 Environmental Tests... 19 10 Safety Requirements... 21 11 Structural Requirements... 30 12 Strength Requirements for Materials and Components... 31 13 Marking and Description Requirements... 33 Appendix A (informative) Electric Vehicle Wireless Power Transfer System Chart... 35 Appendix B (informative) Magnetic Coupling... 371 ScopeThis Part of GB/T 38775 specifies the overall requirements, classification, interoperability requirements, communication requirements, environmental testing, safety requirements, structural requirements, material and component strength requirements, identification and description requirements of wireless power transfer system of electric vehicles This Part is applicable to stationary magnetic coupling wireless power transfer system of electric vehicles, with the maximum rated voltage of power supply of 1,000 V (AC) or 1,500 V (DC); the maximum rated output voltage of 1,000 V (AC) or 1,500 V (DC).2 Normative ReferencesThe following documents are indispensable to the application of this document. In terms of references with a specified date, only versions with a specified date are applicable to this document. In terms of references without a specified date, the latest version (including all the modifications) is applicable to this document. GB/T 156 Standard Voltages GB/T 2423.1 Environmental Testing for Electric and Electronic Products - Part 2.Test Methods - Test A. Cold GB/T 2423.2 Environmental Testing for Electric and Electronic Products - Part 2.Test Methods - Test B. Dry Heat GB/T 2423.3 Environmental Testing for Electric and Electronic Products - Part 2.Test Methods - Test Cab. Damp Heat, Steady State GB/T 2423.4 Environmental Testing for Electric and Electronic Products - Part 2.Test Methods - Test Db. Damp Heat, Cyclic (12 h + 12 h cycle) GB/T 2423.17 Environmental Testing for Electric and Electronic Products - Part 2.Test Methods - Test Ka. Salt Mist GB/T 2423.24 Environmental Testing - Part 2.Test Methods - Test Sa. Simulated Solar Radiation at Ground Level and Guidance for Solar Radiation Testing GB/T 4208 Degrees of Protection Provided by Enclosure (IP code) GB 4943.1-2011 Information Technology Equipment - Safety - Part 1.General Requirements GB/T 7251.1-2013 Low-voltage Switchgear and Control-gear Assemblies - Part 1. General Rules GB/T 10963.1-2005 Electrical Accessories - Circuit-breakers for Overcurrent Protection for Household and Similar Installation - Part 1.Circuit-breakers for A.C. Operation3 Terms and DefinitionsWhat is defined in GB/T 19596, and the following terms and definitions are applicable to this document. 3.1 Primary Device Primary device refers to an energy transmitting terminal, a device that is coupled to the secondary device to convert electrical energy into an electromagnetic field and directionally transmit it. 3.2 Secondary Device Secondary device refers to an energy receiving terminal, a device that is coupled to the primary device to receive the alternating electromagnetic field and convert it into electrical energy. 3.3 Wireless Power Transfer; WPT Wireless power transfer refers to a power supply mode that implements the transmission of electrical energy from the power supply end to the electrical equipment by means of spatial invisible soft medium (such as. electric field, magnetic field and microwave, etc.). NOTE. wireless power transfer is also known as contactless power transfer (CPT). 3.4 Electric Vehicle Wireless Power Transfer Electric vehicle wireless power transfer refers to the use of AC or DC power grid (power supply) to provide power for electric vehicle power batteries and on-board devices through wireless power transfer technology. 3.5 Off-board Power Components Off-board power components refer to power conversion unit that converts the electrical energy of the power grid into the electrical energy required by the primary device. 3.6 On-board Power Components On-board power components are installed on the vehicle to convert the electrical energy received by the secondary device into DC power through the power converter and supply it to electric vehicles.4 AbbreviationsThe following abbreviations are applicable to this document. CSU. Communication Service Unit CB. Circuit Breaker EMC. Electromagnetic Compatibility EMF. Electromagnetic Fields IVU. In-Vehicle Unit MF-WPT. Wireless Power Transfer Through Magnetic Field RCBO. Residual Current Circuit Breaker with Overcurrent Protection RCD. Residual Current Device5 Overall Requirements for Power Transfer System5.1 General Requirements General requirements for the power transfer system include. 5.2 Schematic Diagram Figure 2 provides a schematic diagram of the principle of an AC input electric vehicle wireless power transfer system. The electric vehicle wireless power transfer system chart is shown in Appendix A. An example of magnetic coupling is shown in Appendix B. 5.3 Principle of Measurement 5.3.1 Coordinate system The three-dimensional coordinate system that describes the primary and the secondary device is shown in Figure 3.The X-axis is the driving direction. +X signifies the rear direction of vehicle. The Y-axis is perpendicular to the driving direction. The Z- axis is the height. The origin of the coordinate system is the reference point. 5.3.2 Parking location The installation location of the primary device is shown in Figure 4.The description of the parameters is shown in Table 2. 5.3.3 Offset The offset in X and Y direction is the deviation between the center point of the secondary side and the zero point, as it is shown in Figure 5.The description of the parameters is shown in Table 3. 5.3.4 Size measurement of primary device The definition of size measurement of primary device is shown in Table 4. 5.3.5 Measurement of mechanical air gap The measurement of mechanical air gap is shown in Table 5. 5.4 Installation of Primary Device 5.4.1 Installation mode The installation mode of primary device includes. 5.4.3 Above-ground installation Above-ground installation is shown in Figure 7.The primary device is installed with a certain height above the ground. The installation height above the pavement is specified by the manufacturer’s installation guidelines.6 Classification6.1 Classification Basis In this Part, the classification basis for magnetically coupled electric vehicle wireless power transfer system has the following two factors. 6.2 Power Level The classification by input power level of magnetically coupled electric vehicle wireless power transfer system is shown in Table 8. 6.3 Environmental Conditions In accordance with purposes and environmental conditions, off-board supply devices of magnetically coupled electric vehicle wireless power transfer system may be classified into.7 Interoperability Requirements7.1 General Requirements When off-board supply devices and on-board supply devices satisfy the following conditions, they are interoperable, and the off-board supply devices can implement wireless transmission of electrical energy to electric vehicles. 7.2 Power Level The interoperability requirements between off-board supply devices and on-board supply devices of the same power level and different power levels are shown in Table 9. 7.3 Rated Working Frequency Interoperable off-board supply devices and on-board supply devices shall use the same rated working frequency. 7.4 Resonant Circuit The resonant circuit topology of the primary device shall match the resonant circuit topology of the secondary device. 7.5 Tuning (optional) The operating frequency of the electric vehicle wireless power transfer system should be tuned. 7.6 System Efficiency Interoperability requires that system efficiency shall be not less than the minimum limit8 Communication RequirementsThere shall be the capability of wireless communication between the off-board supply devices and on-board supply devices of the electric vehicle wireless power transfer system. Through the signaling, the control of the wireless electrical energy transmission process and the exchange of necessary relevant information are implemented, so as to ensure the safe and reliable operation of the electric vehicle wireless power transfer system.9 Environmental Tests9.1 General Requirements Among the tests required in this Chapter, wireless power transfer devices shall be operated at the nominal voltage, the maximum output power and current, and the safety characteristics shall not be reduced. The environmental testing and related design of the wireless power transfer system shall satisfy. 9.2 Operating Environment Temperature Requirements The wireless power transfer devices shall be tested under the specified ambient temperature, the highest and the lowest temperature. 9.3 Environmental Humidity Test The wireless power transfer devices shall be designed to operate between 5% ~ 95% relative humidity. In accordance with different installation environments, one of the following two tests shall be selected. 9.4 Dry Heat Test In accordance with the requirements in 10.2.3.1 of GB/T 7251.1-2013, conduct the dry heat test. The test shall comply with the requirements of test Sa, Process B in GB/T 2423.24. 9.5 Low Temperature Test The low temperature test shall comply with test Ab in GB/T 2423.1. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of English version of GB/T 38775.1-2020 be delivered?Answer: The full copy PDF of English version of GB/T 38775.1-2020 can be downloaded in 9 seconds, and it will also be emailed to you in 9 seconds (double mechanisms to ensure the delivery reliably), with PDF-invoice.Question 2: Can I share the purchased PDF of GB/T 38775.1-2020_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 38775.1-2020_English will be deemed to be sold to your employer/organization who actually paid for it, including your colleagues and your employer's intranet.Question 3: Does the price include tax/VAT?Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. www.ChineseStandard.us -- GB/T 38775.1-2020 -- Click this link and select your country/currency to pay, the exact amount in your currency will be printed on the invoice. Full PDF will also be downloaded/emailed in 9 seconds.How to buy and download a true PDF of English version of GB/T 38775.1-2020?A step-by-step guide to download PDF of GB/T 38775.1-2020_EnglishStep 1: Visit website https://www.ChineseStandard.net (Pay in USD), or https://www.ChineseStandard.us (Pay in any currencies such as Euro, KRW, JPY, AUD).Step 2: Search keyword "GB/T 38775.1-2020". Step 3: Click "Add to Cart". If multiple PDFs are required, repeat steps 2 and 3 to add up to 12 PDFs to cart. Step 4: Select payment option (Via payment agents Stripe or PayPal). Step 5: Customize Tax Invoice -- Fill up your email etc. Step 6: Click "Checkout". Step 7: Make payment by credit card, PayPal, Google Pay etc. After the payment is completed and in 9 seconds, you will receive 2 emails attached with the purchased PDFs and PDF-invoice, respectively. Step 8: Optional -- Go to download PDF. Step 9: Optional -- Click Open/Download PDF to download PDFs and invoice. See screenshots for above steps: Steps 1~3 Steps 4~6 Step 7 Step 8 Step 9 |
