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Warwick Wind Trial Results to Date
David Hailes and Helen Brown
11th
December 2007
December 2007 Warwick Wind Trial 01926 312159 www.encraft.co.uk
6b Park St Leamington
Spa CV32 4QN UK
December 2007 Warwick Wind Trial 01926 312159 www.encraft.co.uk
6b Park St Leamington
Spa CV32 4QN UK
Agenda
•
Objectives of the trial•
Overview of the sites
•
Instrumentation and Analysis•
How useful is NOABL and MCS
•
How useful are power curves•
Patterns between sites
•
Energy consumption•
Conclusions
Objectives
December 2007 Warwick Wind Trial 01926 312159 www.encraft.co.uk
6b Park St Leamington
Spa CV32 4QN UK
•
To explore the market realities facing this technology
•
To understand community and customer reactions
•
To see how predictable technical performance is for customers
•
Typical customer starting points:
•
NOABL
•
No wind monitoring
•
Basic property geometry
Aim to complement and inform academic and industry trials
Instrumentation
•
PEET Kit
–
Meteo
Anemometer
–
Novus
Logbox
DA
–
ME162 Watt meter
•
BRE Kit
–
NRG Anemometer
–
Pace Scientific XR5-SE
–
ME162 Watt meter
December 2007 Warwick Wind Trial 01926 312159 www.encraft.co.uk
6b Park St Leamington
Spa CV32 4QN UK
Sites
December 2007 Warwick Wind Trial 01926 312159 www.encraft.co.uk
6b Park St Leamington
Spa CV32 4QN UK
What could you expect to generate?
Average Energy Generated per Day (Wh)
63
63
67
91
174
187
211
225
251
253
385
394
875
875
1790
0 200 400 600 800 1000 1200 1400 1600 1800 2000
22nd August 2007
April (2007)
October (2005)
3rd July 2007
29th January 2007
30th January 2007
20th March 2007
7th October 2007
7th October 2007
7th October 2007
7th October 2007
1st November2007
7th October 2007
7th October 2007
24th September 2007
Inst
alle
d da
te
Average energy generated per day (Wh)
December 2007 Warwick Wind Trial 01926 312159 www.encraft.co.uk
6b Park St Leamington
Spa CV32 4QN UK
How useful is NOABL and the Microgeneration Installation Standard MIS3003?
•
Very early days•
NOABL data corrected for the month using a 20 year average taken from International Station Meteorological Climate Summary, Version 4.0
•
Above correction corrected again using MIS3003
December 2007 Warwick Wind Trial 01926 312159 www.encraft.co.uk
6b Park St Leamington
Spa CV32 4QN UK
Measured Wind Speeds For a suburban location
December 2007 Warwick Wind Trial 01926 312159 www.encraft.co.uk
6b Park St Leamington
Spa CV32 4QN UK
Measured Wind Speeds vs
Corrected
NOABL by month For a suburban location
December 2007 Warwick Wind Trial 01926 312159 www.encraft.co.uk
6b Park St Leamington
Spa CV32 4QN UK
Measured Wind Speeds vs
MIS3003
Corrections For a suburban location
December 2007 Warwick Wind Trial 01926 312159 www.encraft.co.uk
6b Park St Leamington
Spa CV32 4QN UK
Difficult to categorise in MCS
December 2007 Warwick Wind Trial 01926 312159 www.encraft.co.uk
6b Park St Leamington
Spa CV32 4QN UK
Measured Wind Speeds vs
Corrected
NOABL by month For a Dense Urban location
December 2007 Warwick Wind Trial 01926 312159 www.encraft.co.uk
6b Park St Leamington
Spa CV32 4QN UK
Measured Wind Speeds vs
MIS3003
Corrections For a Dense Urban location
December 2007 Warwick Wind Trial 01926 312159 www.encraft.co.uk
6b Park St Leamington
Spa CV32 4QN UK
How useful are Power Curves
•
All power curves are supplied by manufacturer or installer literature.
•
Can they be used to predict output?
•
Are there variations between manufacturers?
December 2007 Warwick Wind Trial 01926 312159 www.encraft.co.uk
6b Park St Leamington
Spa CV32 4QN UK
Energy Calculations Using Power Curve
December 2007 Warwick Wind Trial 01926 312159 www.encraft.co.uk
6b Park St Leamington
Spa CV32 4QN UK
Energy Calculations Using Power Curve
December 2007 Warwick Wind Trial 01926 312159 www.encraft.co.uk
6b Park St Leamington
Spa CV32 4QN UK
Energy Calculations Using Power Curve
December 2007 Warwick Wind Trial 01926 312159 www.encraft.co.uk
6b Park St Leamington
Spa CV32 4QN UK
Wind Speed Distribution
•
Can we spot any patterns?
December 2007 Warwick Wind Trial 01926 312159 www.encraft.co.uk
6b Park St Leamington
Spa CV32 4QN UK
Can we spot any patterns? Suburban
December 2007 Warwick Wind Trial 01926 312159 www.encraft.co.uk
6b Park St Leamington
Spa CV32 4QN UK
Can we spot any patterns? High Rise
December 2007 Warwick Wind Trial 01926 312159 www.encraft.co.uk
6b Park St Leamington
Spa CV32 4QN UK
How much energy do they consume?
Imported energy as proportion of exported energy
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.25
0.34
0.38
0.89
1.27
1.50
4.33
0.00 0.50 1.00 1.50 2.00 2.50 3.00 3.50 4.00 4.50 5.00
3rd July 2007
7th October 2007
7th October 2007
7th October 2007
7th October 2007
7th October 2007
24th September 2007
7th October 2007
22nd August 2007
October (2006)
30th January 2007
29th January 2007
April (2007)
20th March 2007
October (2005)
1st November2007
Inst
alle
d da
te
Ratio
December 2007 Warwick Wind Trial 01926 312159 www.encraft.co.uk
6b Park St Leamington
Spa CV32 4QN UK
Conclusions
•
MIS3003 offers a helpful insight on low sites
•
Quality of power curves vary by manufacturer
•
There are patterns emerging
•
More data required to build up a more complete picture
•
Contact David Hailes [email protected]
December 2007 Warwick Wind Trial 01926 312159 www.encraft.co.uk
6b Park St Leamington
Spa CV32 4QN UK