1 Scope This standard specifies the classification, technical requirements, test methods, inspection rules, markings, packaging, transportation, and storage of crystalline silicon solar cell modules for the ground (abbreviated as “componentsâ€). This standard applies to ground-based crystalline silicon solar cell modules. 2 normative references The following documents are indispensable for the application of this document. For dated references, only the dated version applies to this document. For undated references, the latest version (including all amendments) applies to this document. GB/T 191-2008 packaging, storage and transportation icon logo GB/T 6495.2 Photovoltaic Devices Part II: Requirements for Standard Solar Cells GB/T 6495.3 Photovoltaic Devices Part 3: Measurement Principles and Standard Spectral Irradiance Data for Terrestrial Photovoltaic Devices GB/T 6495.4 Crystalline silicon photovoltaic device IV measured characteristics of temperature and irradiance correction method GB/T 6495.9 Photovoltaic Devices Part 9: Solar Simulator Performance Requirements 3 product categories 3.1 Classification The crystalline silicon solar cell module is divided into a monocrystalline silicon solar cell module and a polysilicon solar cell module. 3.2 Model Name 4.2 Dimensional Requirements 4.2.1 Diagonal deviation requirements The allowable difference between two diagonals is within 3 inches of the theoretical diagonal. 4.2.2 Other unspecified size requirements shall be specified in the detailed product specification after negotiation between the supplier and the buyer. 4.3 Electrical performance requirements 4.3.1 Insulation performance requirements a) The component insulation resistance should not be less than 40MΩ; b) Apply a voltage of 2 kV dc voltage and 4 times the maximum system voltage to the module for one minute. There should be no insulation breakdown or surface cracking of the module. 4.3.2 Rated power The rated power of a component under standard test conditions shall meet the following requirements: a) When the rated peak power of the module is <100W, the rated power tolerance should not exceed ±5%. b) When the rated peak power of the module is ≥100W, the rated power tolerance should not exceed ±3%. 4.3.3 EL (electroluminescence) test The test result cannot be the following: a) Fragments and invisible cracks; b) Black tablets. 4.4 The temperature coefficient, rated operating temperature, performance under low irradiance of the module, etc. shall be specified in the detailed product specification, and the manufacturer shall provide true and valid values. a) The temperature coefficient should include at least three kinds, ie open circuit voltage temperature coefficient, short circuit current temperature coefficient, rated power temperature coefficient; b) low irradiance should include at least four kinds, namely 200W/m2, 400W/m2, 600W/m2, 800W/m2; 4.5 Environmental Test Requirements Outdoor exposure test, hot spot durability test, UV pretreatment test, thermal cycle test, wet-frozen test, wet-heat test, lead end strength test, wet leakage current test, mechanical load test, hail impact test, bypass diode heat Performance tests shall comply with the provisions of 10.8 to 10.18 of GB/T 9535. 5 test methods 5.1 Appearance Under the illuminance of not less than 1000Lx, visual inspection is performed on the tempered glass, ribbons, buss, sealing materials, backplanes, outlets and junction boxes, frames, etc. of the assembly. 5.2 dimensions Use a steel ruler or steel tape measure with a minimum scale of 1mm. 5.3 Electrical Performance Test 5.3.1 Insulation Test a) When the component is typed and identified, it should be conducted according to the method of 10.6 in GB/T 20047.2. b) During on-line testing, the withstand voltage time can be reduced from one minute to one second, and the test voltage should be increased to 120%. 5.3.2 Electrical parameter test According to GB/T 6495.2, 9 and 10 in the package and maintenance of standard batteries. According to GB/T 649, Method 5.1, the use of performance in line with GB/T 6495.9 specified in Class B or better solar simulator, test component current-voltage characteristics. According to GB/T 6495.4 2,3,4,5 in the revised I-V curve. The test principle and spectral irradiance distribution conforms to the provisions in 3 and 4 of GB/T 6495.3. 5.4 Component temperature coefficient, rated operating temperature measurement, performance under low irradiance according to GB/T 9535 10.4 ~ 10.7 method. 5.5 Environmental test Outdoor exposure test, hot spot endurance test, UV pretreatment test, thermal cycle test, wet-frozen test, wet-heat test, lead end strength test, wet leakage current test, mechanical load test, hail impact test, bypass diode heat Performance tests shall be conducted in accordance with the provisions of 10.8 to 10.18 of GB/T 9535. 6 inspection rules 6.1 factory inspection The product must be inspected by the factory quality inspection department before leaving the factory and the product online 100% inspection. The factory inspection items are 4.1 to 4.3 in this standard. 6.2 type inspection Product type test cycle up to two years. When one of the following conditions occurs, the product should be type tested: a) Assays for the production of test assemblies; b) After formal production, if there are major changes in the production process and packaging materials, it may affect the performance of the components; c) When the production of a component is stopped for more than one year and the production is resumed; d) When there is a big difference between the factory inspection result and the previous type inspection result; e) When the quality supervision agency proposes the type inspection. The type test is carried out in accordance with the provisions of Table 4. 7 signs, packaging, transportation, storage 7.1 Logo 7.1.1 Product Logo Each component should have the following clear and indelible signs: a) The manufacturer's name, sign or symbol, address, and communication method; b) product model; c) product serial number; d) The main electrical parameters include: rated output power, rated operating current, rated operating voltage, open circuit voltage, short circuit current; e) The polarity of the lead or lead (marked by the available color code); f) the maximum system voltage allowed by the component; g) Date and place of manufacture (or can be found by product serial number); h) Certification mark. 7.1.2 Packaging Identification The outer packing box shall have the manufacturer's name, trademark, address, communication method, product name, model number, production batch number, product gross weight, net weight, quantity, box size and certification mark, and it shall be printed with the place, moisture-proof and shock-proof. And the number of pictorial layers such as the number of layers. The icon mark complies with the provisions of 2, 3, and 4 of GB/T 191. 7.2 Packaging According to the actual size of the product, quality, number of packaging and other parameters designed to select the appropriate packaging, and attach the necessary internal buffer material to provide adequate edge protection, pay attention to pressure, pay attention to earthquake, to avoid causing scratches and abrasion of glass and so on. 7.3 Transportation Components must not be mixed and mixed with volatile corrosive or sharp hard goods during transportation. Ensure that there is no mechanical damage and avoid moisture. 7.4 Storage In the case of a packing box, the storage conditions are dry, ventilated, indoors or in a warehouse with no volatile corrosion products. Sand Paper,Sanding Paper,Automotive Sandpaper,Automotive Abrasives GUANGZHOU SUNPLUS TECHNOLOGY CO.,LTD , https://www.sunplussandpaper.com
