1 Scope
This section specifies the test conditions and methods for the control system and electrical pitch control system of grid connected horizontal axis variable speed constant frequency wind turbines. This section is applicable to the performance testing of the control system and electrical pitch control system of grid connected horizontal axis variable speed constant frequency wind turbines
2 Normative References
The clauses in the following documents become the clauses of this section through reference in this section.
. For dated reference documents, all subsequent amendments (excluding corrected content) or revisions do not apply to this section. However, parties to agreements based on this section are encouraged to study whether the latest versions of these documents can be used. For undated references, the latest version applies to this section GB/T 1032 Test Methods for Three Phase Asynchronous MotorsGB 1311-2008 Test Methods for DC Motors
GB/T 2423.1-2008 Environmental Testing of 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 2423.3-2006 Environmental Testing for Electrical and Electronic Products Part 2: Test Methods, Test Cab: Constant Damp Heat Test (IEC60068-2-78:2001, IDT)
GB/T 2423.10-2008 Environmental Testing for Electrical and Electronic Products Part 2: Test Methods: Test Fc: Vibration (Sine) (IEC 60068-2-6:1995, IDT)
GB/T 3859.1-1993 Basic Requirements for Semiconductor Converters (eqv IEC 60146-1-1:1991) GB
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