Scope of Technical Specification for Intelligent Substation Measurement and Control Unit 1: This technical specification specifies the technical performance, functional requirements, and technical services of the measurement and control unit in the interlayer equipment of the intelligent substation. This specification is applicable to the construction of smart substations within the State Grid Corporation of China system, and other expansion and renovation projects can be referred to for implementation. 2. The provisions contained in the following standards are referenced in this specification and constitute the provisions of this specification. All standards shown should adopt the latest valid version. GB/T 2423 Environmental Testing for Electrical and Electronic Products GB 4208-1993 Degrees of Protection Provided by Enclosures (IP Code) GB/T 7261-2008 Basic Test Methods for Relays and Relay Protection Devices GB/T 13729-2002 Telecontrol Terminal Equipment GB/T 14598.27-2008 Measurement Relays and Protection Devices Part 27: Product Safety Requirements GB/T 17626 Electromagnetic Compatibility Testing and Measurement Techniques GB/T 19520.3-2004 Mechanical Structures of Electronic Equipment 482.6mm (19in) Series of mechanical structure dimensions, plug-in boxes and their plugins DL/T 478 General technical conditions for static relay protection and safety automatic devices DU/Z713-2000 Requirements for anti-interference of protection and control equipment in 500kV substations DL/T 720-2000 Power system relay protection cabinets General Technical Conditions for Screens DLT 860 Communication Network and System of Substation DL/T 1075-2007 General Technical Conditions for Digital Protection and Measurement and Control Devices DL/T 5149 Technical Specification for Design of Computer Monitoring System in 220kV-500kV Substation Q/GDW 383-2009 Technical Guidelines for Intelligent Substation Q/GDW 393-2009110 (66) Design Specification for kV -220kV Intelligent Substation Q/GDW 394-2009 Design Specification for 330kV -750kV Intelligent Substation Overall Plan for Safety Protection of Electric Power Secondary System (State Electricity Regulatory Commission Document No. 34, February 2006)
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