Transcript Slide 1

Report from the Small Wind Research &
Demonstration Facility
Beech Mountain, NC
Brent Summerville
4th Annual Small Wind Power Conference
June 17-18, 2008
Stevens Point, WI
Beech Mountain, NC
SWI Research & Demonstration Site
Beech Mountain, NC
Research
•Acoustics
•Performance
•Avian Impacts
Demonstration
•Students
•Public
•Always open
Workshops
•Introductory
•Advanced training
•Bring in Experts
•Installations
Beech Mountain Turbines: Current
SWWP AirX
[45’]
SWWP Air Breeze
[45’]
Jacobs 31-20
[120’]
SWWP Whisper 100
[80’]
SWWP Skystream
[70’]
ARE 110
[105’]
SWWP Skystream
[34’]
Dos
Skystreams
• 35’ monopole
– Setup as a battery
charger
– Backfeeding a 48V
Grid-tie Outback
Inverter
• 70’ Tilt-up
– Batteryless Grid-tie
– With 70’ met tower
Skystreams: Performance comparison
Skystreams: Performance comparison
70' Skystream
35' Skystream
Vavg* (mph)
14.4
11.6
wind shear alpha
% increase in Vavg
0.37
24%
TI
.21
.39
* 10-min avg data
Wind shear
Turbulence
Intensity
TI = std dev
Vavg
Skystreams: Performance comparison
Skystreams: Performance comparison
70'
35'
% increase
windspeed
% increase
energy
Energy
(kWh)
2,383
1,499
24%
59%
Jan 08
Jan 07
July 06
Skystreams: The latest update
is a welcome change
New 2.0 software
New Xbee radios
Skystreams: May update
Skystreams: May update
70' Skystream: May 2008
70' Skystream Vavg
15.0
mph
70' Skystream Max gust
68.7
mph
70' Skystream energy
440
kWh
70' Skystream max power
3856.5
W
70' Skystream max 10-min avg
2432.5
W
Other observations
35' Skystream Vavg
Air Breeze max power
AirX max power
10.9
mph
270.6
W
1172.8
W
ARE110 Workshop
ARE110 Workshop
ARE110 Workshop
ARE110 Workshop
Waiting on
wind……..
ARE110
Sound Study
How does the sound of the
ARE110 compare with the
ambient sound level?
Air Breeze
Sound
Study
Next Turbines?
8-foot
Hugh
Piggott
Axial Flux?
Mariah Power
Windspire?
Earth Turbine ?
Brent Summerville
828-262-7333
[email protected]
wind.appstate.edu
Questions?