e-Showcase | Page 4
Power Curves
100
NPS 100C-24 Class III/A Power Curve
24m Rotor, Standard Conditions*
90
80
70
60
50
wind speed (m/s)
electric power (kWe)
1
2
3
-0.5 -0.5 1.2
4
5
6
7
8
9
10
7.2 14.5 24.7 37.9 58.7 74.8 85.1
11
12 13 14 15 16
17 18 19 20 21 22 23 24 25
90.2 94.7 95.3 95.1 94.2 92.9 91.2 88.9 87.1 84.1 81.3 78.6 76.1 74.3 71.7
Power (kWe)
40
30
20
10
0
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
Wind speed at hub height (m/s)
450
Annual Energy Production: 24-Metre Rotor
Standard Conditions,* Rayleigh Wind Distribution
400
(mph)
11 12 13 14.5 16 17
Average annual wind speed (m/s)
5.0 5.5 6.0 6.5 7 7.5
Annual energy output
(MWh/yr) 196 240 284 325 364 399
Annual Energy Output (MWh/yr)
350
300
250
200
150
4.5
5
5.5
6
6.5
7
Average Annual Wind Speed (m/s)
Northern Power Systems
* Standard conditions: air density of 1.225 kg/m3, equivalent to 15°C (59°F) at sea level
NPS, Northern Power, SmartView & Hurricane Resistant are trademarks of Northern Power Systems.
29 Pitman Road
Barre, Vermont, 05641 USA
UK Tel: 0808 234 6788
northernpower.com
7.5
8