This part of GB/T14598 specifies the technical requirements, test methods, inspection rules, markings, labels, user manuals, packaging, transportation, storage, completeness of supply, and quality assurance for transformer protection devices This section is applicable to transformer protection devices (hereinafter referred to as devices) with voltage levels of 750 kV and below in power plants and substations, serving as the basis for device design, manufacturing, inspection, and operation
2 Normative References
The following documents 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 documentGB/T 2887-2011 General Specification for Computer Sites
GB/T 2900.17 Electrical Terminology Measurement Relays GB/T 2900.49 Electrical Terminology Power System Protection GB/T 4208-2008 Degrees of Protection Provided by Enclosures (IP Code)
GB/T 7261-2016 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: Measurement of Vibration of Relays and Protection Devices, Impact, Collision, and Seismic Testing Part 1: Vibration Testing (Sine)
GB/T 14285-2006 Technical Regulations for Relay Protection and Safety Automatic Devices
GB/T 14537-1993 Impact and Collision Testing of Measurement Relays and Protection Devices GB/T 14598.2-2011 Measurement Relays and Protection Devices Part 1: General Requirements
GB/T 14598.24 Measurement Relays and Protection Devices, Part 24: Power System Transient Data Exchange (COMTRADE) General Format
GB/T 14598.26-2015
Measurement Relays and Protection Devices
Part 26: Electromagnetic Compatibility Requirements
GB/T 14598.27-2008 Measurement Relays and Protection Devices
Part 27: Product Safety Requirements
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