GB/T 17646-2017 English PDF

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GB/T 17646-2017: Small wind turbines
Status: Valid

GB/T 17646: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 17646-2017	2159	Add to Cart	15 days	Small wind turbines	Valid
GB/T 17646-2013	440	Add to Cart	Auto, < 3 mins	Design requirements for small wind turbine	Obsolete
GB 17646-1998	799	Add to Cart	5 days	Safety of small wind turbine generator systems	Obsolete

Similar standards

GB/T 19071.1   GB/T 19070   GB/T 18451.1   GB/T 25383   GB/T 32077   

Basic data

Standard ID: GB/T 17646-2017 (GB/T17646-2017)
Description (Translated English): Small wind turbines
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: F11
Classification of International Standard: 27.180
Word Count Estimation: 108,127
Date of Issue: 2017-07-12
Date of Implementation: 2018-02-01
Older Standard (superseded by this standard): GB/T 17646-2013
Quoted Standard: GB 5226.1-2008; GB/T 18451.2-2012; GB/Z 25425-2010; IEC 60038-2009; IEC 60364-5-54; IEC 60721-2-1; IEC 61400-11; IEC/TS 61400-13; IEC/TS 61400-23-2001; IEC 61643-11-2011; ISO/IEC 17025; ISO 2394-1998
Adopted Standard: IEC 61400-2-2013, IDT
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the safety requirements for small wind turbine (SWT), quality assurance, engineering integrity and specific requirements for design, installation, maintenance and operational safety under specific external conditions. The aim is to provide an appropriate degree of protection during the life of the wind turbine to prevent damage to wind turbines at all risks. This standard covers all subsystems of small wind turbines, such as protective mechanisms, internal electrical systems, mechanical systems, support structures, bases, and electrical connections to loads. The small wind turbine (hereinafter referred to as the unit) includes a wind turbine itself including a support structure, a wind turbine controller, a charge controller / inverter (if required), cables and switches, installation and operation manuals and other documents. Although this standard is similar

GB/T 17646-2017: Small wind turbines

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Small wind turbines ICS 27.180 F11 National Standards of People's Republic of China Replacing GB/T 17646-2013 Small wind turbine (IEC 61400-2.2013, Windturbines-Part 2.Smalwind turbines, IDT) 2017-07-12 Posted 2018-02-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released Directory Foreword V. 1 Scope 1 2 Normative references 1 3 Terms and definitions 2 4 Symbols and Abbreviations 9 4.1 Overview 9 4.2 symbol 10 4.3 coordinate system 13 5 Basic principles 15 5.1 Overview 15 5.2 Design Method 15 5.3 Quality Assurance 17 Ⅰ Design Assessment 17 6 external conditions 17 6.1 Overview 17 6.2 SWT rating 18 6.3 Wind conditions 18 6.4 Other environmental conditions 23 6.5 Controlled test conditions 24 6.6 Power Load Conditions 24 7 structural design 25 7.1 Overview 25 7.2 Design Method 25 7.3 Load and load conditions 26 7.4 Simplified Load Method 27 7.5 Simulation Model 32 7.6 Load Measurement 34 7.7 Stress Calculation 34 7.8 Safety factor 35 7.9 Limit State Analysis 8 Protection and shutdown system 37 8.1 Overview 37 8.2 Protection System Functional Requirements 37 8.3 Manual shutdown 38 8.4 Maintenance Shutdown 38 Electrical system 9.1 Overview 38 9.2 Protection device 38 9.3 Disconnect device 39 9.4 Grounding System 39 9.5 Lightning Protection 39 9.6 Electrical leads and cables 39 9.7 Electrical load 39 9.8 Regional Requirements 40 10 support structure 40 10.1 Overview 40 10.2 Dynamic Requirements 41 10.3 Environmental Factors 41 10.4 Grounding 41 10.5 Foundation 41 10.6 Maintenance load caused by wind turbine design load 41 File Requirements 41 11.1 Overview 41 11.2 Product Manual 41 11.3 User Tags 44 Wind turbine logo Ⅱ type test 45 13 test 45 13.1 Overview 45 13.2 Test for Validation of Design Data 45 13.3 Mechanical load test 46 13.4 Durability Tests 46 13.5 Mechanical Parts Testing 50 13.6 Safety and Functional Testing 51 13.7 Environmental Testing 52 13.8 Electrical Testing 52 Appendix A (Informative) Small Wind Turbine Modifications 53 Appendix B (Normative) Describes the design parameters for S-Class SWTs Appendix C (informative) random turbulence model 55 Appendix D (informative) Description of deterministic turbulence Appendix E (Informative) Material Local Safety Factor 58 Appendix F (informative) simplified design method derivation 67 Appendix G (Informative) Test Report Format Example 75 Appendix H (Informative) Electromagnetic Compatibility (EMC) Measurement 79 Appendix I (Normative) Natural Frequency Analysis 82 Appendix J (informative) extreme environmental conditions 83 Appendix K (Informative) Extreme winds under tropical cyclone 85 Appendix L (informative) Other wind conditions 91 Appendix M (informative) user label 97 References 101

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 17646-2013 "Small Wind Turbine Design Requirements." This standard compared with GB/T 17646-2013, in addition to editorial changes outside the main technical differences are as follows. --- Change the standard name, to better reflect the scope of the standard; --- Standard adjustment for Part Ⅰ (Design Evaluation) and Part Ⅱ (Type Test), in order to coordinate with IEC 61400-22 for Testing and certification --- Proposed caution to use simplified equations of warning (see Appendix F); --- Added other wind conditions appendix (see Appendix L); --- Added tropical cyclone appendix (see Appendix K); --- Increasing the extreme environmental conditions Appendix (see Appendix J); --- Added EMC test (Appendix H); --- Added an appendix on dynamic behavior (see Appendix I); --- Durability testing requirements were amended (see 13.4); --- Added a standardized format user label appendix (see Appendix M). This standard uses the translation method identical with IEC 61400-2.2013 "Wind Turbine Part 2. Small wind turbines." The documents of our country that are consistent with the corresponding international documents that are normative references in this standard are as follows. --- GB/T 156-2007 standard voltage (IEC 60038.2002, MOD) --- GB/T 4797.1-2005 Electrical and Electronic Products Natural conditions Temperature and humidity (IEC 60721-2-1.2002, MOD) --- GB 16895.3-2004 Electrical installations of buildings Part 5-54. Selection and installation of electrical equipment Grounding configuration, Paul Protective conductor and protective coupling conductor (IEC 60364-5-54.2002, IDT) --- GB/T 22516-2015 Wind Turbines Part 11. Noise Measurement Methods (IEC 61400-11.2012, IDT) --- GB/T 25384-2010 Wind turbine blades round the full-size structure of the test (IEC TS61400-23.2001, MOD) --- GB /Z 25426-2010 Wind turbine mechanical load measurement (IEC TS61400-13.2001, MOD) --- GB/T 27025-2008 General Requirements for Testing and Calibration Laboratory Capabilities (ISO /IEC 17025.2005, IDT) This standard made the following editorial changes. --- Fixed some errors in IEC 61400-2.2013. ● In Figure 10, the ordinate EDC is corrected to ECD. ● In formulas (C.4) and (C.5), the "(" ● In formula (F.4), the coefficient 1.5 in the parentheses of the second numerator in the first derivation is changed to 0.5. ● Part (F40) of the text description of formula (F.40) is replaced by (F.39); ● In formula (F.44), Vref is changed to Ve1. This standard is proposed by the China Machinery Industry Federation. This standard by the National Wind Machinery Standardization Technical Committee (SAC/TC50) centralized. This standard is drafted by China Academy of Agricultural Mechanization Sciences Hohhot Branch, China Classification Society quality certification company. The main drafters of this standard. Dong Wenbin, Guo Bo, Liu Lizhen, Wang Shujun. This standard replaces the standards previously issued as. --- GB/T 17646-1998, GB/T 17646-2013. Small wind turbine

1 Scope

This standard specifies the safety guidelines for small wind turbine (SWT), quality assurance, engineering integrity and under specific external conditions Specific requirements for the design, installation, maintenance and operation of safety. Its purpose is to provide adequate wind turbine life expectancy The degree of protection to prevent various dangers of wind turbine damage. This standard covers all subsystems of a small wind turbine such as protection mechanisms, internal electrical systems, mechanical systems, support structures, Basis and electrical connection to the load. Small wind turbine (hereinafter referred to as the unit) Including wind turbine itself containing the support structure, the wind Genset Controller, Charge Controller/Inverter (if required), Cables and Switches, Installation and Operation Manual, and other documentation. Although this standard is similar to IEC 61400-1, a simplified and equivalent amount of variation has been made to make it suitable for small wind turbines move. Several of the requirements of this standard can be modified if it is properly demonstrated that the safety of the wind turbine is not impaired. however, This rule does not apply to the definition of grading and related external conditions in Chapter 6. Adopting this standard does not mean any individual, organization or Groups can be exempt from the responsibility to comply with other appropriate procedures. This standard applies to the swept area of the rotor is not more than.200m2, the voltage is lower than the AC 1000V or 1500V DC grid Or off-grid wind turbine applications.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB 5226.1-2008 Safety of machinery - Electrical machinery and electrical equipment - Part 1. General requirements (IEC 60204-1.2005, IDT) GB/T 18451.2-2012 Wind turbine power characteristics test (IEC 61400-12-1.2005, IDT) GB /Z 25425-2010 Wind turbines Nominal apparent acoustical power level and tone value (IEC TS61400-14.2005, IDT) IEC 60038.2009 standard voltage (IEC Standardvoltages) IEC 60364-5-54 Electrical installations of buildings - Part 5-54. Selection and installation of electrical equipment Grounding, protective conductor and Protective connecting conductor (Electricalinstalationsofbuildings-Part 5-54.Selectionanderectionofelectrical equipment-Earthingarrangements, protectiveconductorsandprotectivebondingconductors) IEC 60721-2-1 Electrotechnical products Natural environment conditions Temperature and humidity (Classificationofenvironmentalcondi- tions-Part 2-1. Environmental conditionditionsappearinginnature-Temperatureandhumidity) IEC 61400-11 Wind Turbines Part 11. Noise Measurement Methods (Windturbines-Part 11.Acoustic noisemeasurementtechniques) IEC /T S61400-13 Wind Turbines Part 13. Mechanical Load Measurements (Windturbine Generatorsystems- Part 13.Measurementofmechanicalloads) Wind turbines - Part 23. Wind turbine full scale structure test (Windturbine generatorsystems-Part 23.Ful-scalestructuraltestingofrotorblades) IEC 61643-11-2011 Surge Protection Devices (SPD) for Low-Voltage Power Distribution Systems - Part 11. Performance Requirements and Test Methods (Low- voltagesurgeprotectivedevices-Part 11.Surgeprotectivedevicesconnectedtolow-voltagepowerdis- tributionsystems-Requirementsandtestsmethods) ......

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