Warwick Wind Trial - urbanwind Wind Trial Results.pdf · Warwick Wind Trial Results to Date David...

Warwick Wind Trial Results to Date

David Hailes and Helen Brown

December 2007

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

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:

No wind monitoring

Basic property geometry

Aim to complement and inform academic and industry trials

Instrumentation

PEET Kit

Anemometer

Logbox

ME162 Watt meter

BRE Kit

NRG Anemometer

Pace Scientific XR5-SE

ME162 Watt meter

Spa CV32 4QN UK

What could you expect to generate?

Average Energy Generated per Day (Wh)

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

1st November2007

7th October 2007

24th September 2007

Average energy generated per day (Wh)

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

Spa CV32 4QN UK

Measured Wind Speeds For a suburban location

Spa CV32 4QN UK

Measured Wind Speeds vs

Corrected

NOABL by month For a suburban location

Spa CV32 4QN UK

MIS3003

Corrections For a suburban location

Spa CV32 4QN UK

Difficult to categorise in MCS

Spa CV32 4QN UK

Corrected

NOABL by month For a Dense Urban location

Spa CV32 4QN UK

MIS3003

Corrections For a Dense Urban location

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?

Spa CV32 4QN UK

Energy Calculations Using Power Curve

Spa CV32 4QN UK

Wind Speed Distribution

Can we spot any patterns?

Spa CV32 4QN UK

Can we spot any patterns? Suburban

Spa CV32 4QN UK

Can we spot any patterns? High Rise

Spa CV32 4QN UK

How much energy do they consume?

Imported energy as proportion of exported energy

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

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

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 david.hailes@encraft.co.uk

Spa CV32 4QN UK

Warwick Wind Trial - urbanwind Wind Trial Results.pdf · Warwick Wind Trial Results to Date David...

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