GB/T 13981-2009 English PDF

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GB/T 13981-2009: Design general requirements for small wind turbine
Status: Valid

GB/T 13981: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 13981-2009	279	Add to Cart	3 days	Design general requirements for small wind turbine	Valid
GB/T 13981-1992	439	Add to Cart	4 days	Design general requirements for wind energy conversion system	Obsolete

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Basic data

Standard ID: GB/T 13981-2009 (GB/T13981-2009)
Description (Translated English): Design general requirements for small wind turbine
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: F11
Classification of International Standard: 27.180
Word Count Estimation: 12,139
Date of Issue: 2009-04-13
Date of Implementation: 2010-01-01
Older Standard (superseded by this standard): GB/T 13981-1992
Regulation (derived from): Announcement of Newly Approved National Standards No. 5, 2009 (No. 145 overall)
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 general principles of small wind machine design, environmental conditions, aerodynamic design, load, strength criteria and structural design. This standard applies to rotor swept area is less than or equal to 200m2 upwind of horizontal axis wind turbine design, other types of wind machines can use and reference.

GB/T 13981-2009: Design general requirements for small wind turbine

---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.
Design general requirements for small wind turbine ICS 27.180 F11 National Standards of People's Republic of China Replacing GB/T 13981-1992 General requirements for small wind turbine design Posted 2009-04-13 2010-01-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard replaces GB/T 13981-1992 "General requirements for wind turbine design." This standard compared with GB/T 13981-1992 main changes are as follows. --- Standard name to "small wind turbine design General requirements"; --- Chapter 1 - Chapter 3 to 1 Scope, 2 Normative references 3 Terms and definitions; --- The Scope section should read. This standard applies to rotor swept area is less than or equal to the wind direction of the horizontal axis wind turbine 200m2 Design; other types of wind machines can use and reference; --- 7.1.2 will be changed to the rated wind speed rated (design) wind speed; --- Delete the original standard wind turbine parameters in Table 2 and Table 3 Table Wind water pumping unit parameter table. The standard proposed by China Machinery Industry Federation. This standard by the National Standardization Technical Committee of wind machines. This standard was drafted., Hohhot Branch of China Agricultural Machinery Institute, the National Ministry of Aviation Industry Machinery Standardization Technical Committee Secretariat wind Six  two Institute. The main drafters of this standard. Wang Jianping, Song after the election, Su Xiaoguang. This standard replaces the standards previously issued as follows. --- GB/T 13981-1992. General requirements for small wind turbine design

1 Scope

General This standard specifies the design, environmental conditions, aerodynamic design, load, strength criterion and structure design of small wind turbine. This standard applies to rotor swept area is less than or equal to an upwind horizontal axis wind turbine design 200m2; the other type of wind turbine You can use and reference.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. JB/T 7878-1995 term wind turbine

3 Terms and Definitions

Terms and definitions JB/T 7878 established apply to this standard.

4 Symbols and units

D --- Wind wheel diameter (m); σ --- rotor solidity; B --- Number of wind turbine blades; λ --- tip speed ratio; ρ0 --- standard atmospheric density (kg/m 3); Ba p --- wind energy utilization coefficient; Ba m --- torque coefficient; Ba t --- axial thrust coefficient; P --- Power (kW); M --- torque (NM); Pn --- Rated Power (kW); Vp --- wind speed (m/s); Vp max --- Security wind speed (m/s); Vp n --- Rated wind speed (m/s); Vp d --- design wind speed (m/s); Δ Vp --- axial variation of wind speed (m/s); Yan Vp --- average wind speed (m/s); Yan Vp y --- the annual average wind speed (m/s); Intermediate Vp i --- wind speed interval increment value (m/s); Vp H --- wind speed at the height H (m/s); Winds V0 --- at reference height H0 (m/s); Ey --- of output energy (kW · h). ......

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