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Machinery Industry Standard of the People's Republic of China
JB/T10300—2001
Design requirements for wind turbine generator system
Wind turbine generator system--Design requirements2001-08-23 Issued
China Machinery Industry Federation
2001-12-01 Implementation
JBT10300—2001
"Specifications
Cited standards
Technical references, crosses, symbols, abbreviations and source
5 Detailed requirements
Instructions
Appendix A (Appendix to the standard) Description of design parameters for wind turbine generator system with a rated load of ≤ 100 W Appendix B (Appendix to the standard) Random overflow model Appendix (Requirements for standard derivation) Determined end This standard is based on the 1999 edition of EC61400-01/E2 Wind Turbine System Part · Full Operation Requirements, which came into effect in 1999, and is abbreviated from the relevant standards and materials in this standard, combined with the actual situation in my country:
This standard is abbreviated as follows:
Appendix A, Appendix B, Appendix C. The national standard group is a strong appendix to the standard. The standard is issued by the National Wind Turbine Standardization Technical Requirements Committee and is issued by the National Wind Turbine Standardization Technical Requirements Committee. The standard is abbreviated as follows: The National Wind Turbine Standardization Technical Requirements Committee ... This standard is formulated by: Chu Jinghua, Zhiyi. Xu Youwo, Sun Rulin, Zhuang Jixing. This standard is formulated for the first time.
Machinery Industry Standard of the People's Republic of China
Wind turbine Renerator aystem-Design requirementsJRT 103002001
The technical standard specifies the design requirements of wind turbine generator sets, and its performance includes environmental design, radiation environment determination, structure and system design, noise control, installation and maintenance of wind turbines. This standard applies to the design of wind turbine generator sets with a diameter of more than 10 meters, including the rotor interface, including all relevant components and subsystems, such as wind turbine blades, wheel loads, machine structure, frame and foundation, control and protection systems, ventilation systems, etc. 2 Referenced standards
The texts contained in the following standards constitute the body of this standard through citation in this standard. When this standard is published, the version shown is valid. All standards will be revised from time to time, so that the parties to this standard can discuss the possibility of using the latest version of the following standards. GE-T 63911995 | | tt | 19001—2000
JB:1 1U[94—2000
614001/22：1995
[E 6:00-]]bzxz.net
[EC 60721-2..1:J982
[EC 6400 24: J999
FSQ 2394:1986
Calculation method of dynamic load and drive force of rolling bearings
General requirements for quality assurance of steel welded joints
Product manual
Safety requirements for small wind turbines
Quality management system requirements
Wind turbine rotor blades
Wind turbine systems Part 1 Safety requirements Requirements
Environmental conditions: Classification, Part II Natural environmental conditions: Compatibility and structural protection Part I Principles
Structural reliability
3 Terms, definitions, symbols, abbreviations and coordinate systems 3.1 Terms and definitions
3.1.1 The semi-average
group is a sufficiently large and long-term average of the data used as an estimate of the value of the matrix period. The time period is a full year so that the seasonal non-stationary effect is excluded. 3. 1.2 Average wind speed in a year
Average wind speed determined according to the definition of average wind speed. China Machinery Industry Federation approved on 2001-03-23 and implemented on 2001-12-0
3.1.3 Locking [for wind turbines]
JB/T 10300—2001
The use of mechanical pins and other devices (different from ordinary mechanical brakes) to prevent the movement of components, such as the rotor shaft or yaw mechanism. 3.1.4 Critical failure (for wind turbines)
The disintegration or destruction of a component structure, which will result in the loss of important functions and reduce safety. 3.1.5 Complex terrain
The surrounding terrain of a closed power station that sometimes changes significantly and the ground and obstacles that cause airflow distortion. 3.1.6 Control system (for wind turbines)
A system that receives information about the status of a wind turbine and/or its environmental conditions and regulates the wind turbine to keep it within operating limits.
3.1.7 Inherent faults (also called latent faults) Undetected faults in components or systems during normal operation. 3.1.8 Downwind
Wind in the direction of the main wind direction.
3.1.9 Grid
The specific devices, substations, wires and cables used for the transmission and distribution of electric power. Note: The interface forces between the various parts of the grid are appropriate, such as geographical location, all voltages, etc. 3.10 Extreme wind speed
: The highest average wind speed averaged over 1 second. It is the wind speed that may be observed within a specified time period of W years (repeated period is W years).
Note: This standard adopts 50 years and N-1 years and the average time interval is 3s and 10min. The society usually adopts less rigorous technical proof\survival wind\, but for the design of shares and situations, this standard uses the extremely strict wind direction. 3.1.11 Failure-safety
A design feature of the day, with this property can prevent failure and cause critical failure: 3.1.12 Gust
A wind with instantaneous changes in wind speed.
Note: Gusts can be characterized by their enhancement time, amplitude and duration. 3.1.13 Wheel load height (for wind turbines)
The height of the center of the wind turbine rotor surface area from the ground (see 1.3.39 for swept area 3. [.14 Idle (for wind turbines)
The state in which a wind turbine rotates slowly but does not generate electricity. 3.1.15 Chronic sub-region of microcurrent
The frequency interval of the wind microcurrent spectrum, during which the air mass reaches uniformity in all directions, its rotational motion continues to weaken, and there is a small energy consumption,
Note; for true 1LSRVS wind transmission, its inertia period is roughly 0.02Hz to 2kHz. 3.1.16 Isolation operation
When disconnected from the power grid, the independent part of the power system is operated for a long time and short-term operation. 3.1.17 Limit state
JB/T103002001
A state of load acting on a structure beyond which the structure no longer meets the design requirements (IS02394) Note: The purpose of the design calculation [i.e. the limit state design requirements is to keep the limit state value below a certain value specified for the type of structure under study (IS02394)
3.1.18 Logarithmic wind shear rating
See wind (3.1,46 )
3.1.19 Maximum power (for wind turbines)
The maximum value of the net electrical power generated by a wind turbine under normal operating conditions. 3.1.2 Average wind speed
The statistical average wind speed averaged over a given time period. The time period can range from a few seconds to many years. 3.1.21 Nacelle
The structural space located at the top of the tower of a horizontal axis wind turbine that accommodates the drive-transmission and other components. 3.1.22 Grid connection point (for wind turbines) A single wind turbine or wind turbine The terminal of the terminal power environment is the reverse connection point of the power collection system in the station. 3.1.23 Power collection system (for wind turbines) The power connection system that collects the power of one or more wind turbines, which includes all electrical equipment between the terminals of the wind turbine generator set and the grid connection point.
3.1.24 Wind speed change
See wind power line 13.1.46)
3.1.25 Output power
For a specific purpose, a device generates power in a specific form. Note: (wind turbine) At any time, the power generated by a wind turbine generator set. 3.1.26 Protection system (for wind turbines)
A system that ensures that a wind turbine remains within design limits. 3.1.27 Extreme wind speed distribution
A probability distribution function, see wind distribution 3.1.47, 3.1.28 Reference wind speed (Vr)
A basic extreme wind speed integer used to define wind turbine classes, from which other design parameters can be derived (see 52) Related climatic integers: Wind turbines defined as wind turbines in terms of extreme wind speeds are designed to withstand climatic conditions of an extreme wind speed of 10 mV average at the turbine height or for a period of 50 years, the extreme wind speed being approximately equal to the extreme wind speed Pm. 3.1.29 Vibration
A phenomenon that occurs in a dynamic system when the period of forced vibration is very close to the period of free vibration. 3.1.30 Rotation sampling wind speed
The wind speed experienced by the fixed point of the rotating wind turbine rotor. Note: The end flow of the rotating sampling wind turbine is significantly different from the normal flow. When rotating, the blades cut through the air flow in the space, so the final flow rate will be very different in the rotation efficiency and relative flow area. 3.1.31 Rough test length
JB/T10300—2001
If the vertical wind line changes with the height, the height at which the average wind speed is zero can be reported. 3.1.32 Safe life
The specified service life with a reasonable probability of fire damage. 3.1.33 Planned maintenance
Preventive maintenance according to a specified time schedule. 3.1.34 Limited state available
Limited state in accordance with the general management function standard (150239) 3.1.35 Positive shutdown (for wind turbines)
A shutdown in which all shutdown steps are implemented through the control system. 3.1.36 Stop
The state in which a wind turbine stops operating.
3.1.37 Support structure
Tower and foundation:
3.1.38 Maximum wind speed
The most common name for the wind speed that the designed structure should withstand. Method: This standard does not use this name, and the design state uses the extreme wind speed (see 3.1.10) state: 3.1.39 Swept area
The area formed by the rotation of the wind wheel in the plane of the vertical wind. 3.1.40 Flow rate
The ratio of the standard deviation of wind speed to the mean wind speed, which can be determined by using the same set of wind speed measurement data samples within a given time period. 3.1.41 Flow rate scale number
The length of the non-disc longitudinal power density FS ()/-.05. Note: This wavelength can be defined as ,-, minus 1,-4.05. 3.1.42 Ultimate limit state
The limit state of the belt corresponding to the carrying capacity (150239413.1.43 Non-planned maintenance
Maintenance that is not planned according to a specified time, but is carried out after receiving a notice of a certain period of concern. 3.1.44 Headwind
The wind corresponding to the wind direction and the wind direction.
3.1.45 The standard distribution
A probability distribution function, see 3.1.47 Wind distribution. 3.1.46 Fan line wind shear law
Assuming that the wind speed varies with the height above the ground, the commonly used wind shear law is the logarithmic network line (") or the screen law wind shear line (2): V() -V(2,) - Jn (z/z:) (22.)P(z) -V(2)-(2/2,)\
Height: wind speed at;
-two pools of height:
JE/T10300-2001
Adjust the wind rate line using the high ground state special business degree: a phase length:
-wind shear (or law) index,
3. 1.47 Wind distribution
is a partial distribution function used to describe the wind speed distribution in a continuous time period. The distribution area used in the passband is the Rayleigh P. () and Weibull fw () function -P, (V,)1-cxp[- (rg2V.-1
Pw(V,)=I exp[ [yyc?上
Where: n{
[cri-]
1C22, if =2
Rare rain effect, that is, the rate of VV
-wind field (segment system;
V-V average
C-Weibull function ratio:
… There are two shape parameters:
-Fairy function
" and can be based on the real number According to the estimation.
If the flow is 2, then the Rayleigh function is exactly the same as the Weibutton function: for a 2. and V satisfy the current state in the program (1). The distribution function represents the probability of the wind speed being less than. In this way, the wind speed is estimated between the specified limit speed and, then )-P () represents the time portion of the wind speed within these two limit ranges. The total of these distribution functions gives the corresponding grip rate density function.
3.1. 4 Spot cutting number
is also called the law index, see 3.3.46
3.1.49 Wind speed
- The wind speed at a given point in space is the speed of air movement around this point. Conversely, wind speed is also the magnitude of the wind speed that night (see 3,131). 3.1.50 Wind turbine
A system that converts the kinetic energy of wind into electrical energy. 3.1.51 Wind speed factor
A point in the direction of air delivery around the study point, the magnitude of which is equal to the speed of air movement (i.e. the local wind speed factor
) at any point in time. 3.1.52 Wind turbine output system All electrical equipment in the wind turbine, up to and including the various terminals of the system, including the connection tank, the supply system and the communication equipment. It also includes the conductors of the wind turbine itself, which are used specifically to provide grounding. 3.1.53 Wind turbine conductor connection
J9/T10300—2001
Wind turbine connection is also one or more points determined by the wind turbine supplier, at which the wind turbine can be connected to the power collection system. This connection also includes energy conversion and communication connections. 3.1. 54 Flow
The rotor axis rotates around the vertical axis (for horizontal axis wind turbines) 3.1.55 Error
Horizontal deviation of the rotor axis of a wind turbine from the wind direction: 3.1 Symbols and Abbreviations
Symbols and units
Full flow standard error model Cobb parameter
Proportion of Weibull distribution with the number
Correlation function
Rotor diameter
Material strength design value
Material leakage characteristic value
Load design value
Load characteristic value
10min average wind speed is 15m/sThe rotor height end selected strength characteristic value sense Boolean distribution function shape dream number
Improved mass flow number
Each end flow Integral proportional parameter
Related ratio parameter
Speed denominatorIntegral proportional parameter
Number of calculation cycles of the first load
Number of fatigue failure cycles, which is a function of stress or strain as the independent variable [i.e. - characteristic curve]
Extreme case repeated in the same period
Survival rate
Extreme probability distribution, i.e. the probability distribution when V<=
The size of the projection
The dynamic spectrum filter function of the force (or strain) level consistent with the number of calculation cycles of the first load
Pre-measured velocity denominator
The relationship between the characteristics of the array
[m:is]
[m*/s]
[erus]
3.2.2 Abbreviations
Wind speed at height JP/T10300—2001
The average wind speed at the rotor height is V/V. The expected extreme wind speed (average of 35 consecutive winds) is repeated every 10 years: 1500 and 50 years respectively.The wind amplitude of the year W is the average wind speed at the turbine height for 10 minutes. The cutting speed is the limiting wind speed in the wind speed standard model. The initial wind speed is the rated wind speed for 10 minutes. It is almost the same as the wind speed transmission. The horizontal wind shear is described in detail. The wind speed loss describes the change of extreme gusts and shear conditions. The directional wind speed is described in the unified coordinate system used to describe the wind farm. 1, 2 are the wind direction (longitudinal direction) and the height (horizontal direction) of the wind turbine. The turbine height is the reference height from the ground. The length of the logarithmic wind profile is the wind shear index. The extreme wind direction change model parameter is the coefficient.
Stallion function
Local safety factor
Local safety factor of materials
Destruction consequenceLocal safety cumulative
Interval change of wind direction
The maximum deflection angle from the average wind force direction under gust conditions is more extreme wind change with a period of one year
Ray current scale number, it is stipulated that it has no longitudinal power spectrum density S (gate)·T, when it is 0.05, the length of the longitudinal wind speed
The standard deviation of the longitudinal wind speed
The standard deviation of the lateral wind speed
The standard deviation of the height of the round
The standard deviation of the light wind speed of the first round (1.2 or 1) The characteristics of the strong sense
[enis]
3.3 Coordinate system
3. 3. 1 Coordinate system
B10301-2001
Non-permanent (for safety reasons! AC
Usable restrictions
DC
Design load conditions
Direction-dependent wind
Extreme-dependent gusts
Extreme directional changes
Extreme operating wind
Extreme wind shear model
Horizontal axis wind turbine
Normal and extreme (for local full coefficients) Normal wind line model||tt ||Electrical flow model
Special EC wind turbines, etc.
Transportation and installation [For local safety system] Limit
Small wind turbines
1; The origin of the coordinate system is at the center of rotation. If the XB axis is in the normal wind direction, the XB axis is in the normal wind direction, and the YB axis and the YH axis are determined according to the coordinate system law: 3.3.2 Wheel coordinate system
The origin of the wheel coordinate system is at the rotation center. If the XH axis is in the normal wind direction, the ZH axis is straight up, and the YH axis can be determined according to the standard system law.
3. 3.3 Frame coordinate system
The origin of the frame coordinate system is the intersection of the wind rotor rotation line and the center load of the frame. It does not rotate with the wind rotor. The XT axis is in the wind direction, the Z axis is vertically upward, and the YT axis is determined by these coordinate systems. 4 General requirements
4.1 General measurement
Under the specified external conditions, design equipment and load conditions, the wind turbine unit should be guaranteed to operate safely within its design service life.
The standard requires the use of structural dynamic model, full flow and basic extreme wind conditions specified in 5.2.3, and design load conditions specified in 5.3.4 to determine the load conditions in the entire speed range. The specified external conditions and design load conditions should be analyzed to determine the design load conditions of the specific type of wind turbine generator set: calculation and (or) test methods should be used to verify the correctness of the design results. When the test method is used for verification, The test conditions shall meet the requirements specified in this standard.
4.2 Safety level
The wind turbine generator set shall be designed according to one of the following two safety levels: a) Normal safety level, which can be used when the damage of the wind turbine generator set will cause economic losses and social impacts to people:
b) Special safety level, which can be used when the safety requirements are determined by the site and (or) the manufacturer and the user agree on the safety requirements.
This standard specifies the belt safety level in 5.3.6 The local safety factor of the wind turbine generator set of the same level shall be determined between the manufacturer and the user: ... Mark clearly and clearly on the indelible wind turbine brand: Wind turbine grade Manufacturer's country:
Product model and serial number:
Year of production:
Rated power:
"Reference wind seat
Wheel super-altitude operation wind pool country-V
Operating atmospheric temperature range:
Wind turbine grade (see table above:
Table 1 Basic parameters of wind turbine grade
Wind turbine grade
Fur (nvs)
V... I n's)
Normal section safety etc.
Note: The table shows the values at the wheel height used, where 37.5
A indicates the type of higher basic flow characteristics: B indicates the type of lower micro-flow characteristics: 1,-V=15m/g for the characteristic value of the shear flow intensity - the slope used in equation (7) is the majority. 30
Special actual contention etc.
Design value is determined by the designer4.5.4 The load conditions specified in the design should be determined to determine the load conditions for the entire speed range. The specified external conditions and the relevant conditions of the design should be analyzed to determine the design load conditions of the specific type of wind turbine generator set: Calculation and (or) test methods should be used to verify the correctness of the design results. When the test method is used for verification, the test conditions should meet the requirements specified in this standard.
4.2 Safety level
The wind turbine generator set should be designed according to one of the following two safety levels: a) Normal safety level, which can be used when the damage of the wind turbine generator set will cause economic losses and social impacts to people:
b) Special safety level, which can be used when the safety requirements are determined locally and (or) the manufacturer and the user agree on the safety requirements.
5.3.6 of this standard specifies the local safety factor of the wind turbine generator set with a limited safety level, which is determined by the manufacturer and the user. The following information should be clearly and conspicuously displayed on the wind turbine label: ... The brand of the lost wind turbine generator set: Wind turbine grade Manufacturer's country:
Product model and serial number:
Year of production:
Rated power:
"Reference wind seat
Wheel super-altitude operation wind pool country-V
Operating atmospheric temperature range:
Wind turbine grade (see table:
Table 1 Basic parameters of wind turbine grade
Wind turbine grade
Fur (nvs)
V... I n's)
Normal section safety, etc.
Note: The values in the table are the values at the wheel height used, among which, 37.5
A represents the type of higher base flow characteristics: B represents the type of lower micro-flow characteristics: 1, -V=15m/g For the shear flow intensity characteristic value - the slope used in equation (7) is the majority. 30
Special dispute
Design value redesign regulations4.5.4 The load conditions specified in the design should be determined to determine the load conditions for the entire speed range. The specified external conditions and the relevant conditions of the design should be analyzed to determine the design load conditions of the specific type of wind turbine generator set: Calculation and (or) test methods should be used to verify the correctness of the design results. When the test method is used for verification, the test conditions should meet the requirements specified in this standard.
4.2 Safety level
The wind turbine generator set should be designed according to one of the following two safety levels: a) Normal safety level, which can be used when the damage of the wind turbine generator set will cause economic losses and social impacts to people:
b) Special safety level, which can be used when the safety requirements are determined locally and (or) the manufacturer and the user agree on the safety requirements.
5.3.6 of this standard specifies the local safety factor of the wind turbine generator set with a limited safety level, which is determined by the manufacturer and the user. The following information should be clearly and conspicuously displayed on the wind turbine label: ... The brand of the lost wind turbine generator set: Wind turbine grade Manufacturer country:
Product model and serial number:
Year of production:
Rated power:
"Reference wind seat
Wheel super-altitude operation wind pool country-V
Operating atmospheric temperature range:
Wind turbine grade (see table:
Table 1 Basic parameters of wind turbine grade
Wind turbine grade
Fur (nvs)
V... I n's)
Normal section safety, etc.
Note: The values in the table are the values at the wheel height used, among which, 37.5
A represents the type of higher base flow characteristics: B represents the type of lower micro-flow characteristics: 1, -V=15m/g For the shear flow intensity characteristic value - the slope used in equation (7) is the majority. 30
Special dispute
Design value redesign regulations
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