This standard specifies the basic technical requirements, technical parameters, test methods, inspection rules, markings, packaging, transportation, and storage requirements for multifunctional protection, measurement and control integrated devices (hereinafter referred to as devices) for voltage levels of 35 kV and below in intelligent substations. This standard is applicable to multi-functional protection, measurement and control integrated devices with voltage levels of 35 kV and below in intelligent substations, and serves as the basis for the development, design, manufacturing, testing, and operation of such devices. The following normative references are essential 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 modification orders) applies to this document. GB/T 191 Packaging, Storage and Transport Pictorial Symbols (GB/T 191-2008, ISO 60780; 1997, MOD) GB/T 2423.1-2008 Environmental Testing for Electrical and Electronic Products - Part 2: Test Methods, Test A: Low Temperature (IEC 60068-2-1:2007, IDT) GB/T 2423.2-2008 Environmental Testing for Electrical and Electronic Products - Part 2: Test Methods, Test B; High temperature (IEC 60068-2-2:2007, IDT) GB/T 2900.1 Basic Terminology of Electrical Terminology GB/T 2900.17 Measurement Relays GB/T 2900.49 Electrical Terminology, Power System Protection (GB/T 2900.49-2004, IEC 60050-448:1995, IDT) GB/T 4798.2 Environmental Conditions for Electrical and Electronic Products Application, Transportation (GB/T 4798.2-2008, IEC 60721-3:1997, MOD) GB/T 7261-2008 Basic Test Methods for Relay Protection and Safety Automatic Devices GB/T 9361-2011 Computer Field Safety Requirements GB/T 11287-2000 Electrical Relays Part 21: Vibration, Impact, Collision, and Seismic Testing of Measuring Relays and Protection Devices Part 1: Vibration Testing (Sine) (IEC 60255-21:1988, IDT) GB/T13384 General Technical Conditions for Packaging of Mechanical and Electrical Products
Function of testing report:
1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report
2. Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms 3. Used as a sales report: issuing legally effective testing reports to make consumers more confident 4. Papers and research: Provide professional personalized testing needs 5. Judicial services: providing scientific, fair, and accurate testing data 6. Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problemsBaijian and testing process:
1. Telephone communication and confirmation of requirements
2. Recommend solutions and confirm quotations 3. Mail samples and arrange testing 4. Progress tracking and result feedback 5. Provide reports and after-sales service 6. If urgent or priority processing is requiredTesting and testing characteristics:
1. The testing industry is fully covered, meeting different testing needs
2. Fully cover the laboratory and allocate localized testing nearby3. Engineers provide one-on-one services to make testing more accurate
4. Free initial testing, with no testing fees charged
5. Self service order delivery for free on-site sampling
6. Short cycle, low cost, and attentive service 7. Possess authoritative qualifications such as CMA, CNAS, CAL, etc 8. The testing report is authoritative and effective, and is generally used in China