Page 1
Wind Data Verification Report
Page 1 of 11
Coordinate System
Averaging Period
Missing data rows
Data recovery rate
Comments•
Data Recovery
10 minutes
0
100%
Data for this period has been verified
• Erroneous wind direction data has been removed based on 'human' judgement. Level 3 (9.7m): 28.04% removed.
Start 01/06/2010 00:00
Finish 31/05/2012 23:50
Mast Time Zone
Report Period
Date Time (dd/mm/yyyy) (24hr format)
Mast Height 50m
Mast Location325608 E
8101256 N
UTM 55K
Site Details
Site Name Arriga 50m
Date/Time of report
generation27/11/2012 04:22 PM
Site Number 9531
Wind Data Verification Report 9531 - Arriga 50m
Page 2
Wind Data Verification Report
Page 2 of 11
Sensor Summary
Statistics Summary
Data Recovery Rate 100% 100% 71.96%
Wind Vanes Level 1 Level 2 Level 3
-
External Temperature degC 2.2m 10.3 21.5 38.1 100%
Internal Temperature - - - - -
100%
Humidity - - - - - -
Pressure mbar 2m 716.6 912.2 920.2
Environmental Statistics Units Height Minimum Average Maximum Recovery Rate
Representative TI at 15 m/s 17.05% 17.24% 19.18% 20.44%
Mean TI at 15 m/s 13.45% 13.72% 15.67% 18.66%
Average standard deviation (m/s) 1.07 1.08 1.12 1.16
Maximum gust wind speed (m/s) 35.3 34.72 32.06 24.9
Maximum wind speed (m/s) 26.66 25.94 22.03 15.63
Average wind speed (m/s) 7.2 7.08 6.44 4.95
Minimum wind speed (m/s) 0.39 0.37 0.39 0.38
Recovery rate (%) 100% 100% 100% 100%
Height above ground level (m) 49.6m 49.6m 29.9m 9.9m
Wind Statistics Level 1 Level 2 Level 3 Level 4
Status OK OK
Installed on - -
Serial Number 18059973 -
Type - -
Measurement Height (m) 2 2.2
Environmental Sensors
Air Property Pressure Temp. (External)
Status OK OK OK
Offset 227 47 47
Boom Orientation 47 227 227
Installed on - - -
Serial Number - - -
Type 2.1 2.1 2.1
Measurement Height 46.4 30 9.7
Level 1 2 3
Wind Vanes
Status OK OK OK OK
Scale Factor 0.759 0.755 0.755 0.754
Offset 0.39 0.37 0.39 0.38
Boom/Finial Orientation 47 231 47 51
Installed on - - - -
Serial Number 180000000000 180000000000 180000000000 180000000000
Type NRG NRG NRG NRG
Measurement Height 49.6 49.6 29.9 9.9
Anemometers
Level 1 2 3 4
9531 - Arriga 50m
01/06/2010 - 31/05/2012
Page 3
Wind Data Verification Report
Page 3 of 11
Time Traces
NB: Manual mode has not been programmed yet.
Time Trace of Wind Speed
Time Trace of Wind Direction
0
5
10
15
20
25
30
1/06/2010 9/09/2010 18/12/2010 28/03/2011 6/07/2011 14/10/2011 22/01/2012 1/05/2012
Win
d S
peed (
m/s
)
Level 1 (49.6m) Level 2 (49.6m) Level 3 (29.9m) Level 4 (9.9m)
0
45
90
135
180
225
270
315
360
1/06/2010 9/09/2010 18/12/2010 28/03/2011 6/07/2011 14/10/2011 22/01/2012 1/05/2012
Win
d D
irection
Level 1 (46.4m) Level 2 (30m) Level 3 (9.7m)
9531 - Arriga 50m
01/06/2010 - 31/05/2012
Page 4
Wind Data Verification Report
Page 4 of 11
Distributions
8.4
3.12
Weibull Parameters
c (m/s)
k
Wind Direction Distribution | Level 1 (46.4m) Wind Energy Distribution | Direction Level 1 (46.4m),
Speed Level 1 (49.6m)
Mean Wind Speed Distribution | Direction Level 1
(46.4m), Speed Level 1 (49.6m)
Mean Turbulence Intensity | Direction Level 1 (46.4m),
Speed Level 1 (49.6m)
Wind Speed Distribution and Weibull Curve | Level 1 (49.6m)
Actual Average (m/s) 7.2
0
10
20
30
40
50
60N
E
S
W
00.05
0.10.15
0.20.25
0.30.35
N
E
S
W
01020304050607080
N
E
S
W
0
2
4
6
8
10N
E
S
W
0
1
2
3
4
5
6
7
8
9
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
Fre
quency
(%)
Wind Speed (m/s)
Level 1 Measured Distribution Level 1 Weibull Fitted Curve
9531 - Arriga 50m
01/06/2010 - 31/05/2012
Page 5
Wind Data Verification Report
Page 5 of 11
Turbulence Intensity
Representative TI at 15 m/s (%) 17.05% Characteristic TI at 15 m/s (%) 16.26%IEC Class (Edition 3) B IEC Class (Edition 2) A
Turbulence Intensity Scatter Plot - IEC 61400-1, Ed. 3 (2005) | Level 1 (49.6m)
Turbulence Intensity Scatter Plot - IEC 61400-1, Ed. 2 (1999) | Level 1 (49.6m)
IEC standard 61400-1, Edition 3 (2005) IEC standard 61400-1, Edition 2 (1999)
Mean TI at 15 m/s (%) 13.45% Mean TI at 15 m/s (%) 13.45%
0
10
20
30
40
50
60
1 3 5 7 9 11 13 15 17 19 21 23 25
Turb
ule
nce I
nte
nsity
(%)
Wind Speed (m/s)
IEC Class A 3rd Ed
IEC Class B 3rd Ed
IEC Class C 3rd Ed
Mean TI
Representative TI
0
10
20
30
40
50
60
1 3 5 7 9 11 13 15 17 19 21 23 25
Turb
ule
nce I
nte
nsity
(%)
Wind Speed (m/s)
IEC Class A 2nd Ed
IEC Class B 2nd Ed
Mean TI
Characteristic TI
9531 - Arriga 50m
01/06/2010 - 31/05/2012
Page 6
Wind Data Verification Report
Page 6 of 11
Normalised Wind Speed
Normalised Wind Speeds | Level 1 (49.6m) / Level 3 (29.9m) | Direction Level 1 (46.4m)
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
2
0 45 90 135 180 225 270 315 360
Norm
alis
ed W
ind S
peed
Wind Direction (degrees)
N
E
1.5
1.0
0.5
0.0 W
S
9531 - Arriga 50m
01/06/2010 - 31/05/2012
Page 7
Wind Data Verification Report
Page 7 of 11
Wind Shear Analysis
Diurnal Patterns of Wind Speed and Wind Shear
Wind Shear Profile | Level 1 (49.6m) Vs Level 3 (29.9m)
Diurnal Pattern of Wind Speed (solid lines show diurnal pattern; dashed lines show mean)
Diurnal Pattern of Wind Shear (solid lines show diurnal pattern; dashed lines show mean)
0.35
Overall Wind Shear 100 0.21 0.18 0.24 0.23 0.25
NW 0.9 0.2 0.2 0.3 0.3
0.35
W 3.6 0.33 0.28 0.41 0.39 0.44
SW 3.5 0.25 0.24 0.32 0.31
0.3
S 1.5 0.21 0.23 0.3 0.3 0.33
SE 8.7 0.28 0.25 0.29 0.28
0.19
E 67.6 0.21 0.18 0.23 0.22 0.24
NE 12.9 0.08 0.06 0.16 0.15
L3 (29.9m) Vs
L4 (9.9m)
N 1.4 0.07 0.06 0.16 0.16 0.2
Direction | Level 1
(46.4m)% of Data Period
L1 (49.6m) Vs
L3 (29.9m)
L2 (49.6m) Vs
L3 (29.9m)
L1 (49.6m) Vs
L4 (9.9m)
L2 (49.6m) Vs
L4 (9.9m)
Directional Wind Shear Exponents
0
20
40
60
80
0 1 2 3 4 5 6 7 8 9
Heig
ht
(m)
Wind Speed (m/s)
Shear Exponent = 0.21
Average Wind Speed
3
4
5
6
7
8
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
Win
d S
peed (
m/s
)
Level 1 (49.6m) Level 3 (29.9m) Level 4 (9.9m)
Level 1 (49.6m) Level 3 (29.9m) Level 4 (9.9m)
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
Win
d S
hear
Level 1 (49.6m) Vs Level 3 (29.9m) Level 1 (49.6m) Vs Level 3 (29.9m)
Level 2 (49.6m) Vs Level 3 (29.9m) Level 2 (49.6m) Vs Level 3 (29.9m)
Level 1 (49.6m) Vs Level 4 (9.9m) Level 1 (49.6m) Vs Level 4 (9.9m)
9531 - Arriga 50m
01/06/2010 - 31/05/2012
Page 8
Wind Data Verification Report
Page 8 of 11
Wind Speed and Direction Frequency Table (%)
0 30 60 90 120 150 180 210 240 270 300 330
0 <= Wind Speed < 0.5 0 0 0.1 0.1 0.1 0 0 0.1 0 0 0 0.1
0.5 <= Wind Speed < 1.5 0.1 0.1 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.1 0.1
1.5 <= Wind Speed < 2.5 0.2 0.4 0.4 0.4 0.3 0.2 0.2 0.4 0.3 0.4 0.1 0.1
2.5 <= Wind Speed < 3.5 0.2 0.6 0.9 0.8 0.6 0.3 0.2 0.3 0.4 0.5 0.2 0.1
3.5 <= Wind Speed < 4.5 0.1 0.8 1.6 1.5 0.9 0.4 0.2 0.3 0.4 0.4 0.2 0.1
4.5 <= Wind Speed < 5.5 0.1 0.8 2.1 3.1 1.4 0.3 0.1 0.2 0.4 0.4 0.1 0
5.5 <= Wind Speed < 6.5 0 0.9 2.7 5.9 2.3 0.2 0 0.1 0.3 0.2 0.1 0
6.5 <= Wind Speed < 7.5 0 0.7 2.2 8.7 2.8 0.1 0 0.1 0.2 0.2 0.1 0
7.5 <= Wind Speed < 8.5 0 0.5 1.6 9.5 2.4 0.1 0 0 0.1 0.1 0 0
8.5 <= Wind Speed < 9.5 0 0.2 1 8.5 1.5 0 0 0 0.1 0.1 0 0
9.5 <= Wind Speed < 10.5 0 0.1 0.5 6.1 0.9 0 0 0 0.1 0 0 0
10.5 <= Wind Speed < 11.5 0 0 0.2 3.9 0.5 0 0 0 0 0 0 0
11.5 <= Wind Speed < 12.5 0 0 0.1 2.6 0.2 0 0 0 0 0 0 0
12.5 <= Wind Speed < 13.5 0 0 0 1.6 0.2 0 0 0 0 0 0 0
13.5 <= Wind Speed < 14.5 0 0 0 0.9 0.1 0 0 0 0 0 0 0
14.5 <= Wind Speed < 15.5 0 0 0 0.5 0.1 0 0 0 0 0 0 0
15.5 <= Wind Speed < 16.5 0 0 0 0.3 0 0 0 0 0 0 0 0
16.5 <= Wind Speed < 17.5 0 0 0 0.2 0 0 0 0 0 0 0 0
17.5 <= Wind Speed < 18.5 0 0 0 0.1 0 0 0 0 0 0 0 0
18.5 <= Wind Speed < 19.5 0 0 0 0.1 0 0 0 0 0 0 0 0
19.5 <= Wind Speed < 20.5 0 0 0 0 0 0 0 0 0 0 0 0
20.5 <= Wind Speed < 21.5 0 0 0 0 0 0 0 0 0 0 0 0
21.5 <= Wind Speed < 22.5 0 0 0 0 0 0 0 0 0 0 0 0
22.5 <= Wind Speed < 23.5 0 0 0 0 0 0 0 0 0 0 0 0
23.5 <= Wind Speed < 24.5 0 0 0 0 0 0 0 0 0 0 0 0
24.5 <= Wind Speed < 25.5 0 0 0 0 0 0 0 0 0 0 0 0
Wind Speed >=25.5 0 0 0 0 0 0 0 0 0 0 0 0
Seasonal Wind Speed Analysis
0.9 0.5 100
Seasonal Wind Speed Analysis | Level 1 (49.6m)
14.3 1.9 0.9 1.8 2.7 2.4
0
0
0
0
0
All Wind Speeds 0.8 5.2 13.5 54.9
0.3
0.2
0.1
0.1
0
0
7.7
4.7
3
1.8
1
0.5
6.8
9
12.8
15.1
14.3
11.5
Concurrent availability = 100% All
0.6
1.9
3.4
5.2
Wind Speed (m/s) | Level 1 (49.6m) Wind Direction | Level 1 (46.4m)
0
2
4
6
8
10
12
0
10
20
30
40
50
60
70
80
90
100
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Win
d S
peed (
m/s
)
Month
ly R
ecovery
Rate
(%
)
Monthly Recovery Rate Monthly Average Wind Speed FRONT
9531 - Arriga 50m
01/06/2010 - 31/05/2012
Page 9
Wind Data Verification Report
Page 9 of 11
Distributions of Wind Direction, Mean Wind Speed and Mean TI
36 350 <= Direction < 360 0.3 3 29.1
34 330 <= Direction < 340 0.2 3.5 26.8
35 340 <= Direction < 350 0.2 3.1 28.2
32 310 <= Direction < 320 0.1 3.7 28.6
33 320 <= Direction < 330 0.2 3.1 27.2
30 290 <= Direction < 300 0.4 3.8 27.1
31 300 <= Direction < 310 0.2 3.7 29.8
28 270 <= Direction < 280 0.7 4 25.6
29 280 <= Direction < 290 0.5 4.1 25.4
26 250 <= Direction < 260 1.1 4.8 21.6
27 260 <= Direction < 270 0.8 4 25.2
24 230 <= Direction < 240 1 5.1 16.7
25 240 <= Direction < 250 1.1 5.2 19.5
22 210 <= Direction < 220 0.8 3.9 20
23 220 <= Direction < 230 0.4 4.1 15.7
20 190 <= Direction < 200 0.3 3.1 26.7
21 200 <= Direction < 210 0.4 3.4 24.4
18 170 <= Direction < 180 0.3 2.9 29.4
19 180 <= Direction < 190 0.3 2.9 30.7
16 150 <= Direction < 160 0.5 3.8 29.9
17 160 <= Direction < 170 0.3 3.1 31.5
14 130 <= Direction < 140 1.1 5.1 25.6
15 140 <= Direction < 150 0.8 4.4 27.4
12 110 <= Direction < 120 6.2 7 19.5
13 120 <= Direction < 130 2.3 5.9 23.8
10 90 <= Direction < 100 21.5 8.8 14.9
11 100 <= Direction < 110 13 8.4 16.2
8 70 <= Direction < 80 10.2 7.2 13.3
9 80 <= Direction < 90 19.4 8.1 13.7
6 50 <= Direction < 60 3.1 5.3 13.5
7 60 <= Direction < 70 4.5 5.9 13.9
4 30 <= Direction < 40 2.3 5.3 17.1
5 40 <= Direction < 50 3.7 5.7 14.1
2 10 <= Direction < 20 0.4 3.5 26.3
3 20 <= Direction < 30 0.9 4.7 20.9
(%) (%) (m/s) (%)
1 0 <= Direction < 10 0.5 3.2 28.6
Wind Speed Level 1 (49.6m) | Wind Direction Level 1 (46.4m). Concurrent availability = 100%
Sector Wind Direction Wind Direction Freq. Mean Wind Speed Mean TI
9531 - Arriga 50m
01/06/2010 - 31/05/2012
Page 10
Wind Data Verification Report
Page 10 of 11
Environmental Sensors
Time Trace of Pressure
Time Trace of Tempterature
1
11
21
31
41
1/06/2010 9/09/2010 18/12/2010 28/03/2011 6/07/2011 14/10/2011 22/01/2012 1/05/2012
Tem
pera
ture
(d
egC
)
Temperature External
896
906
916
926
1/06/2010 9/09/2010 18/12/2010 28/03/2011 6/07/2011 14/10/2011 22/01/2012 1/05/2012
Pre
ssure
(m
bar)
Pressure 1
9531 - Arriga 50m
01/06/2010 - 31/05/2012
Page 11
Wind Data Verification Report
Page 11 of 11
Long-term Bureau of Meteorology (BoM) Comparison
BoM Site 031108
Map Legend
BoM Site 031108
Measured Site 9531
Seasonal Wind Speed Analysis | Level 1 (49.6m)
Longitude (dd.mm) 145.360
BoM Measurement Period
Start Year 1970
End Year 2010
Mast Height 10m
Distance from 9531 8km
Latitude (dd.mm) -17.167
BoM Site Details
BoM Site NameWALKAMIN RESEARCH
STATION
Site Number 031108
0
1
2
3
4
5
6
7
8
9
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Avera
ge M
onth
ly W
ind S
peed (
m/s
)
Measured Site 9531 BoM Site 031108
Source: Commonwealth of Australia, Bureau of Meteorology, 2012, Melbourne Victoria, viewed 27/11/2012 04:41 PM BoM data is supplied for the interpretation and benefit of the reader in understanding nearby longer term climatic conditions. The presented BoM data represents long term monthly averages provided by the BoM and Parsons Brinckerhoff has not verified the accuracy or suitability of BoM data for wind measurement purposes. Parsons Brinckerhoff does not accept any risk or responsibility and other consequences resulting directly or indirectly from using the BoM data presented in this report.
9531 - Arriga 50m
01/06/2010 - 31/05/2012
