Scope
This standard specifies the basic technical requirements, test methods, inspection rules, marking, packaging, transportation, storage, etc. of power system safety and stability control systems (hereinafter referred to as stability control systems) This standard is applicable to stability control systems. For the safety and stability control devices (hereinafter referred to as stability control devices) of a single plant, they can be referred to and implemented, and serve as the basis for the scientific research, design, manufacturing, inspection, and operation of such systems or devices
Normative References
The clauses in the following documents become clauses of this standard through reference in this standard.
. For dated reference documents, all subsequent amendments (excluding corrected content) or revisions are not applicable to this standard. However, parties to agreements based on this standard are encouraged to study whether the latest versions of these documents can be used. For undated references, the latest version applies to this standardGB/T 191 Packaging, Storage and Transport Pictorial Symbols (GB/T 191-2008, ISO 780:1997, MOD)
GB/T 2423.1-2001 Environmental Testing for Electrical and Electronic Products - Part 2: Test Methods: Test A: Low Temperature (IEC 60068-2-1:1990, IDT)
GB/T 2423.2-2001 Environmental Testing for Electrical and Electronic Products - Part 2: Test Methods - Test B: High Temperature (IEC 60068-2-2:1974, IDT)
GB/T 2423.3 Environmental Testing for Electrical and Electronic Products - Part 2: Test Methods - Test Cabs: Constant Damp Heat Test (GB/T 2423.3-2006, IEC)
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