风机功率曲线验证
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Power Performance Measurements 功率特性测试
Training of test stations in Beijing 测试机构培训，北京
2008-01-09
WINDTES
Agenda of power performance功率特性议程
1. Introduction 2. Site 3. Metrologies mast position 4. Site calibration 5. Installation on the met mast
4xL
Distance 距离
<2 L
Sector 扇区
360°
8xL
Maximum slope% 最大倾角%
<3*
Maximum terrain variation from plane 地形偏离平面的最大偏差
<0,04 (H+D)
≥2 L and < 4 L
measurement sector
<5*
2008-01-09
No. 4 WINDTEST
Definition of power curve
功率曲线的定义
Wind speed [m/s]
00
0.6
00
0.5
00
0.4
00
0.3
00
0.2
00
0.1
0
0.0
0
2
4
6
8
10
12
14
16
18
20
22
24
Power curve:
Capability of a wind turbine to
备安装 6. Installation in the wind turbine
备安装 7. Standard and Guidelines 8. Evaluation of the power curve 9. Uncertainties 10. Other topics
介绍 场地 气象桅杆的定位 场地标定 气象桅杆上的设
Complex Terrain 复杂的地形
Course 03-2 to 4: Power Performance Measurements
2008-01-09
No. 10
WINDTEST
Illustration of area to be assessed 评估测试范围的图解
mast to wind turbine centre line
No. 3 WINDTEST
Why is the power performance test important?
为什么功率特性测试很重要？
• To classify the wind turbine
对风电机组进行分类
• For the calculation of the energy predication
Course 03-2 to 4: Power Performance Measurements
2008-01-09
No. 8 WINDTEST
Flat terrain 平坦的地形
Course 03-2 to 4: Power Performance Measurements
wenku.baidu.com
2008-01-09
No. 9 WINDTEST
200
400
600 Obstacles
-200
-300
-400 East coordinate [m]
Course 03-2 to 4: Power Performance Measurements
2008-01-09
produce electric power
depending on wind speed 功率曲线: 风电机组在不同风速下产生电 能的能力
Cp curve:
Ratio of the net electric power output of a
wind turbine to the available power in the
free stream wind over the rotor swept area 功率系数曲线: 风电机组输出的净电功率与通过风轮扫 掠面上最大可利用风能功率之比
Course 03-2 to 4: Power Performance Measurements
2008-01-09
No. 5 WINDTEST
measurement system and strange metrologies phenomena
对于风电机组或测试系统发生故障时测试数据的剔除和出现未知测 试现象时测试数据的剔除
Course 03-2 to 4: Power Performance Measurements
2008-01-09
气象桅杆到风电机组的中心线 mast at 4D 4D位置的气象桅杆
2.5D 2D
L
Wind turbine 风电机组
D
distance of meteorology
mast to wind turbine
between 2D and 4D
2.5D is recommended 距离风电机组2D和4D之间 的气象桅杆位置 推荐使用2.5D
测量扇区
<0,08 (H+D)
≥2 L and <4 L
outside measurement sector 测量扇区之外
<10**
Not applicable 不适用
≥4 L and <8 L
measurement sector 测量扇区
<10*
<0,13(H+D)
* *The maximum slope of the plane, which provides the best fit to the sectoral terrain and passes through the tower base. 与扇区地形最吻合、并通过塔架基础的平面的最大倾角.
2008-01-09
No. 12
WINDTEST
Obstacles障碍物
De
=
2 ⋅lh ⋅lw lh + lw
Course 03-2 to 4: Power Performance Measurements
2008-01-09
No. 13
WINDTEST
Obstacles 障碍物
De
=
2 ⋅lh ⋅lw lh + lw
disturbed sector 由于风电机组
due to wake of 尾流对气象桅
wind turbine on 杆的影响被排
meteorology mast 除的扇区
(annex A):
(附件 A):
at 2D: 81°
2D处为: 81°
at 2.5D: 74°
2.5D处为: 74°
at 4D: 59°
用于预测发电量
• Comparison between the turbines
不同风电机组之间的比较
• Optimization of the test turbine due to the site conditions and the energy production
根据场地条件和发电量对测试风电机组进行优化
Procedure for measuring power curve of a single wind turbine (“test of prototype”) 用于单台风电机组功率曲线测试的程序 (“ 原型机的测试”)
Applies to the testing of wind turbines of all types and sizes connected to the electrical power network (“Comparison and reproducible results”) 适用于连接到电网的所有种类和型号的风 电机组测试 (“比较和可重复性的结果”)
• Power performances verification
功率特性的验证
• Guarantee purposes
担保
• In some countries basis for PPA (e.g. Germany)
在一些国家是 PPA的基础 (如德国)
Course 03-2 to 4: Power Performance Measurements
备安装 6. Installation in the wind turbine
备安装 7. Standard and Guidelines 8. Evaluation of the power curve 9. Uncertainties 10. Other topics
介绍 场地 气象桅杆的定位 场地标定 气象桅杆上的设
IEC 61400-12-1
Course 03-2 to 4: Power Performance Measurements
2008-01-09
No. 6 WINDTEST
Agenda of power performance功率特性议程
1. Introduction 2. Site 3. Metrologies mast position 4. Site calibration 5. Installation on the met mast
2008-01-09
No. 15
WINDTEST
North
North coordinate [m]
Site Layout, first test WTG at origin
400
300
200
100
0
-800
-600
-400
-200
0
-100
Meteorological ma
Test WTGs
Neighbouring WTG
自由流风速 (风向)的测试
• Measurement of the net. Power
净功率的测试
• Correction of the wind speed or net power due to the air
density
风速或净功率对于空气密度的校正
• Filtering of the data due to failure by the turbine or
4D处为: 59°
maximum measurement sector:
at 2D: 279°
at 2.5D: 286°
at 4D: 301° 最大测量扇区: 2D处为: 279° 2.5D处为: 286° 4D处为: 301°
top view 俯视图
Course 03-2 to 4: Power Performance Measurements
2008-01-09
No. 11
WINDTEST
Test site requirements: topographical variations 测试场地要求: 地形变化
D = 40 m
150%%oonn880000 mm
5%on 400 m
3% 200 m 2xL
H is not
relevant H 是不 相关的
风电机组内的设
标准和准则 功率曲线的测定 不确定度 其它相关话题
Course 03-2 to 4: Power Performance Measurements
2008-01-09
No. 7 WINDTEST
Scope of IEC 61400-12-1 IEC61400-12-1的应用领域
IEC 61400-12-1
Course 03-2 to 4: Power Performance Measurements
None influence 无影响
Obstacles Excel sheet
2008-01-09
No. 14
WINDTEST
Dabancheng Wind farm 达坂城风电场
WT
Course 03-2 to 4: Power Performance Measurements
风电机组内的设
标准和准则 功率曲线的测定 不确定度 其它议题
Course 03-2 to 4: Power Performance Measurements
2008-01-09
No. 2 WINDTEST
What is the power performance test?
什么是功率特性测试?
• Measurement of the free stream wind speed (Wind direction)
**The line of steepest slope that connects the tower base to individual terrain points within the sector. 连接塔架的基础和扇区内的每个地形点的直线的最大倾角.
Course 03-2 to 4: Power Performance Measurements
Training of test stations in Beijing 测试机构培训，北京
2008-01-09
WINDTES
Agenda of power performance功率特性议程
1. Introduction 2. Site 3. Metrologies mast position 4. Site calibration 5. Installation on the met mast
4xL
Distance 距离
<2 L
Sector 扇区
360°
8xL
Maximum slope% 最大倾角%
<3*
Maximum terrain variation from plane 地形偏离平面的最大偏差
<0,04 (H+D)
≥2 L and < 4 L
measurement sector
<5*
2008-01-09
No. 4 WINDTEST
Definition of power curve
功率曲线的定义
Wind speed [m/s]
00
0.6
00
0.5
00
0.4
00
0.3
00
0.2
00
0.1
0
0.0
0
2
4
6
8
10
12
14
16
18
20
22
24
Power curve:
Capability of a wind turbine to
备安装 6. Installation in the wind turbine
备安装 7. Standard and Guidelines 8. Evaluation of the power curve 9. Uncertainties 10. Other topics
介绍 场地 气象桅杆的定位 场地标定 气象桅杆上的设
Complex Terrain 复杂的地形
Course 03-2 to 4: Power Performance Measurements
2008-01-09
No. 10
WINDTEST
Illustration of area to be assessed 评估测试范围的图解
mast to wind turbine centre line
No. 3 WINDTEST
Why is the power performance test important?
为什么功率特性测试很重要？
• To classify the wind turbine
对风电机组进行分类
• For the calculation of the energy predication
Course 03-2 to 4: Power Performance Measurements
2008-01-09
No. 8 WINDTEST
Flat terrain 平坦的地形
Course 03-2 to 4: Power Performance Measurements
wenku.baidu.com
2008-01-09
No. 9 WINDTEST
200
400
600 Obstacles
-200
-300
-400 East coordinate [m]
Course 03-2 to 4: Power Performance Measurements
2008-01-09
produce electric power
depending on wind speed 功率曲线: 风电机组在不同风速下产生电 能的能力
Cp curve:
Ratio of the net electric power output of a
wind turbine to the available power in the
free stream wind over the rotor swept area 功率系数曲线: 风电机组输出的净电功率与通过风轮扫 掠面上最大可利用风能功率之比
Course 03-2 to 4: Power Performance Measurements
2008-01-09
No. 5 WINDTEST
measurement system and strange metrologies phenomena
对于风电机组或测试系统发生故障时测试数据的剔除和出现未知测 试现象时测试数据的剔除
Course 03-2 to 4: Power Performance Measurements
2008-01-09
气象桅杆到风电机组的中心线 mast at 4D 4D位置的气象桅杆
2.5D 2D
L
Wind turbine 风电机组
D
distance of meteorology
mast to wind turbine
between 2D and 4D
2.5D is recommended 距离风电机组2D和4D之间 的气象桅杆位置 推荐使用2.5D
测量扇区
<0,08 (H+D)
≥2 L and <4 L
outside measurement sector 测量扇区之外
<10**
Not applicable 不适用
≥4 L and <8 L
measurement sector 测量扇区
<10*
<0,13(H+D)
* *The maximum slope of the plane, which provides the best fit to the sectoral terrain and passes through the tower base. 与扇区地形最吻合、并通过塔架基础的平面的最大倾角.
2008-01-09
No. 12
WINDTEST
Obstacles障碍物
De
=
2 ⋅lh ⋅lw lh + lw
Course 03-2 to 4: Power Performance Measurements
2008-01-09
No. 13
WINDTEST
Obstacles 障碍物
De
=
2 ⋅lh ⋅lw lh + lw
disturbed sector 由于风电机组
due to wake of 尾流对气象桅
wind turbine on 杆的影响被排
meteorology mast 除的扇区
(annex A):
(附件 A):
at 2D: 81°
2D处为: 81°
at 2.5D: 74°
2.5D处为: 74°
at 4D: 59°
用于预测发电量
• Comparison between the turbines
不同风电机组之间的比较
• Optimization of the test turbine due to the site conditions and the energy production
根据场地条件和发电量对测试风电机组进行优化
Procedure for measuring power curve of a single wind turbine (“test of prototype”) 用于单台风电机组功率曲线测试的程序 (“ 原型机的测试”)
Applies to the testing of wind turbines of all types and sizes connected to the electrical power network (“Comparison and reproducible results”) 适用于连接到电网的所有种类和型号的风 电机组测试 (“比较和可重复性的结果”)
• Power performances verification
功率特性的验证
• Guarantee purposes
担保
• In some countries basis for PPA (e.g. Germany)
在一些国家是 PPA的基础 (如德国)
Course 03-2 to 4: Power Performance Measurements
备安装 6. Installation in the wind turbine
备安装 7. Standard and Guidelines 8. Evaluation of the power curve 9. Uncertainties 10. Other topics
介绍 场地 气象桅杆的定位 场地标定 气象桅杆上的设
IEC 61400-12-1
Course 03-2 to 4: Power Performance Measurements
2008-01-09
No. 6 WINDTEST
Agenda of power performance功率特性议程
1. Introduction 2. Site 3. Metrologies mast position 4. Site calibration 5. Installation on the met mast
2008-01-09
No. 15
WINDTEST
North
North coordinate [m]
Site Layout, first test WTG at origin
400
300
200
100
0
-800
-600
-400
-200
0
-100
Meteorological ma
Test WTGs
Neighbouring WTG
自由流风速 (风向)的测试
• Measurement of the net. Power
净功率的测试
• Correction of the wind speed or net power due to the air
density
风速或净功率对于空气密度的校正
• Filtering of the data due to failure by the turbine or
4D处为: 59°
maximum measurement sector:
at 2D: 279°
at 2.5D: 286°
at 4D: 301° 最大测量扇区: 2D处为: 279° 2.5D处为: 286° 4D处为: 301°
top view 俯视图
Course 03-2 to 4: Power Performance Measurements
2008-01-09
No. 11
WINDTEST
Test site requirements: topographical variations 测试场地要求: 地形变化
D = 40 m
150%%oonn880000 mm
5%on 400 m
3% 200 m 2xL
H is not
relevant H 是不 相关的
风电机组内的设
标准和准则 功率曲线的测定 不确定度 其它相关话题
Course 03-2 to 4: Power Performance Measurements
2008-01-09
No. 7 WINDTEST
Scope of IEC 61400-12-1 IEC61400-12-1的应用领域
IEC 61400-12-1
Course 03-2 to 4: Power Performance Measurements
None influence 无影响
Obstacles Excel sheet
2008-01-09
No. 14
WINDTEST
Dabancheng Wind farm 达坂城风电场
WT
Course 03-2 to 4: Power Performance Measurements
风电机组内的设
标准和准则 功率曲线的测定 不确定度 其它议题
Course 03-2 to 4: Power Performance Measurements
2008-01-09
No. 2 WINDTEST
What is the power performance test?
什么是功率特性测试?
• Measurement of the free stream wind speed (Wind direction)
**The line of steepest slope that connects the tower base to individual terrain points within the sector. 连接塔架的基础和扇区内的每个地形点的直线的最大倾角.
Course 03-2 to 4: Power Performance Measurements