Turbine and Tower Technical Data

Highland Wind Farm December 2011

APPENDIX E Turbine and Tower Technical Data

• Nordex N100 and N117 Product Brochure • Nordex N117-2400 Excellence in Efficiency • Siemens SWT 2.3-113 Product Brochure • CONFIDENTIAL Nordex N100 Technical Description Aug 2010 • CONFIDENTIAL RCC – Turbine Foundation Design Drawings • CONFIDENTIAL Nordex – Suitability Studies Nov 2011 • CONFIDENTIAL Power Curve Data for Three Preferred Turbines

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RECEIVED: 12/22/11, 11:21:38 AM


Nordex N100 and N117 Turbines Product Brochure


Nordex N117-2400

Excellence in Efficiency

NORDEX N117/2400

Excellence in Efficiency

Webinar 30.03.2011

GENERATION GAMMA – The Efficiency Class

Generation Gamma

Experience is key to building reliable power plants: the N117/2400 is the result of eleven years of consistent technical development of the platform up to 2.5 megawatts.

N117/2400 - Excellence in Efficiency

The N117/2400 design is based on the third generation of the platform – the Gamma Generation.

Nordex customers benefit from mature technology and robust design.

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GENERATION GAMMA – The Efficiency Class

MW installed1

2000 Launch of Generation ALPHA 632.5Prototype of N80 installed

2003 First installation of N90/2300 1060.3

2005 First installation of N90/2500 LS

Built on more than 3.700 MW of experience in the 2.x MW class

2007 Launch of Generation BETA 1867.5with N90/2500

2008 First installation of N100/2500

2010 Launch of Generation GAMMA 187.5with serial start of N100

2012 Serial Start N117/2400


1 As of January 25th, 2011

3

Swept area

in

m²/MW

5,000

4,000

N100/2500 IEC2a

+10 meters

N100/2500 IEC3a

N117/2400 IEC3a

+17 meters

+ 17,7%

GENERATION GAMMA – EXCELLENCE IN EFFICIENCY

44

Yield increase

in %

3,000

2,000

0 5 10 15 20

N90/2500 IEC1a

+10 meters

+ 17,4%

+ 13,2%N100/2500 IEC3a

N90/2500 IEC2a

N80/2500 IEC1a


� N90 IEC 1 & N100 IEC 2 available from 07/2011 onwards

� N117 IEC 3 available from 07/2012 onwards

• + 17m of rotor diameter

• + 41,7% more of swept area

Low wind sites – IEC 3a

NORDEX N117/2400 - Excellence in Efficiency

5

• + 41,7% more of swept area

• + 17.7% more of AEP at 6.5 m/s

• + 22,6% more full load hours at 6.5 m/s


Turbine type N117

Nominal power [kW] 2.400

Rotor diameter [m] 117

Swept area [m2] 10.751

Cut-in / Cut-out [m/s] 3/20

Wind class IEC 3aDIBt2

Certification DA1

Key data


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Certification DA1

TC2

Sound power level [dB(A)]acc. to IEC 61400-11/-14

105.0

External conditions Standard (up to 40°°°°C) and Cold Climate

Grid code compatibility Fulfills all international grid requirements

Tower Tubular steel tower 91m hub height

Blade NR 58.5

1 Design Assessment planned for 03/2012.2 Type Certificate planned for 06/2012.


Nordex N117/2400 - Overview drawing

Swept area = 10.715 m2 !

7N117/2400 - Excellence in Efficiency

Standardised wind speed

(at 10 m height)

Apparent sound power level

VS [m/s] LWA [dB(A)]

Noise Emission Nordex N117/2400according to IEC 61400-11: 2002 [1]Hub height 91 m

Power Curve Nordex N117/2400


2000

2500

N117 Power Curve [kW]

N100 Power Curve [kW]

Output [kW] / Operating hrs [hrs/a]

Improving where it matters most.

8

3 97.0

4 100.0

5 104.0

6 104.5

7 105.0

8 105.0

9 105.0

10 105.0

11 105.0

12 105.0


0

500

1000

1500

Weibull @6.5 m/s [hrs]

Wind speed [m/s]

it matters most.

Nordex N117/2400 – Rotor blade NR 58.5

• Blade length [m] 57.3

• Blade design Two shells and two webs

• Blade material Glass fibre & carbon fibre for the main girder


� Based on the Nordex Gamma Generation

• More than 1.500 turbines of the platform installed

• Proven technology - 11 years of continuous improvement

� Most efficient multi-megawatt turbine for

Nordex N117/2400

10

� Most efficient multi-megawatt turbine for low wind sites

• More than 3.500 full load hours per year1

• Net capacity factor up to 40%

� Lowest noise emission level in its class

1 Based on an IEC class 3a site with 6.5m/s


IEC 1a IEC 2a IEC 3a

CurrentPortfolio

The Efficiency Class Portfolio

GENERATION GAMMA

Tower heights

60m70m | 80m75m |100m

80m | 100m 140m ______

New Additions

Tower heights

65m | 80m75m | 80m

100m91m

11

Available from 07/2011 07/2012


IDEAS FOR A SMARTER WORLDPowered by 26 years of experience

Efficiency Class


Thank you for your attention.

Nordex SE

Langenhorner Chaussee 600, 22419 Hamburg, Germany

Telefon +49 40 30030 1000

Learn more on:

www.n117.net

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Telefon +49 40 30030 1000

Fax +49 40 30030 1101

E-Mail [email protected]


Siemens SWT 2.3-113

Product Brochure

SWT - 2.3 - 113Turning moderate wind into maximum results

At the leading edgeof evolutionThe new Siemens SWT-2.3-113 wind turbine is the ultimate choice for low to moderate wind conditions. The revolutionary direct drive generator and the new, optimized Quantum Blade are paired to extract as much energy as possible from the wind.

Efficient. Quiet. Robust and reliable. The Siemens SWT-2.3-113 is the new benchmark wind turbine for low to medium wind speeds. As a result of more than 30 years of research and development, it is designed to harvest more energy out of moderate wind con-ditions than anyone thought possible.

Proven design

The SWT-2.3-113 is built around the same revolutionizing direct drive generator as the SWT-3.0-101. The direct drive turbine offers exceptional reliability and efficiency – with only 50% of the parts normally required for a conventional wind turbine. By using the same proven design and sharing the majority of components with its larger sibling, production costs and lead times can be kept down.

Unique aerodynamics

The Quantum Blade combines excep-tional aerodynamic performance with patented manufacturing technology. Based on innovative aerodynamic solutions in the root and tip sections, the Quantum Blade offers maximum efficiency at low to medium wind speeds.

Maximum availability

Simplicity is the ultimate sophistication. With the simple and robust direct drive concept with 50% fewer parts, the SWT-2.3-113 wind turbine is designed for maximum availability. Furthermore, the spacious nacelle and the ergonomic working conditions facilitate service-ability and contribute to minimizing downtime for scheduled maintenance.

At the leading edgeof evolution

You cannot change the wind. It may be strong, it may be light. This leaves it up to us to extract as much energy as we can from it.

Anne Schannong Vinther, Quality Engineer

Innovation for efficiencySiemens direct drive technology and the new Quantum Blade represent groundbreaking wind turbine design and technology. The result of these two key innovations is a turbine with maximum efficiency and reliability, which helps to enable a solid return on investment.

Maximized performance with 50% fewer parts

The Siemens direct drive design incorporates a permanent magnet generator with fewer moving parts than ever before.

The simple permanent magnet design offers increased efficiency directly by minimizing energy losses and indirectly by reducing maintenance needs. The outer rotor arrangement leads to a more compact and light-weight generator, making transport-ation and installation easier and faster.

The B55 Quantum Blade

The new generation of Siemens wind turbine blades is lighter than previous designs but retains the superior

strength known from earlier genera-tions of blades. Thanks to unique airfoils and redesigned tip and root sections, the blade offers superior performance at low to medium wind speeds. The root section uses Siemens “flatback” profiles to minimize root leakage and provide higher lift. The tip has also undergone a fine-tuning process to give enhanced lift and acoustic performance.

One-piece moulding

Like other Siemens blades, the new Quantum Blades are manufactured in Siemens proprietary IntegralBlade® process. Each blade is moulded in one single production step from fiberglass-reinforced epoxy resin, resulting in a stronger, lighter blade without any joints.

Lower noise

With a low 105 dB noise level, the SWT-2.3-113 is one of the quietest wind turbines on the market. As a result, this turbine type has an extremely high ratio of energy out-put per noise affected area, resulting in fewer disturbances to people and wildlife.

Superior grid compliance

The Siemens NetConverter® is designed for maximum flexibility in the turbine’s response to voltage and frequency variations, fault ride-through capability and output adjustment. The advanced wind farm control system provides state-of-the-art fleet management.

TechnicalspecificationRotor

• Type: 3-bladed, horizontal axis• Position: Upwind• Diameter: 113 m• Swept area: 10,000 m2

• Speed range: 6–13 rpm • Power regulation: Pitch regulation with variable speed• Rotor tilt: 6 degrees

Blade

• Type: Self-supporting• Blade length: 55 m• Tip chord: 0.63 m• Root chord: 4.2 m• Aerodynamic profile: NB 1-7,

SWPNA1_XX12, FFAxxx• Material: GRE• Surface gloss: Semi-mat, <30 / ISO2813• Surface colour: Light grey, RAL 7035

Aerodynamic brake

• Type: Full span pitching• Activation: Active, hydraulic

Load-supporting parts

• Hub: Nodular cast iron• Main shaft: Cast• Nacelle bed plate: Cast

Sales power curve

Mechanical brake

• Type: Hydraulic disc brake• Position: Generator rear end• Number of callipers: 3

Canopy

• Type: Totally enclosed• Surface gloss: Silk mat, 30–40 / ISO2813• Colour: Light grey, RAL 7035

Generator

• Type: Synchronous, PMG• Nominal power: 2,300 kW

Grid terminals (LV)

• Nominal power: 2,300 kW• Voltage: 690 V• Frequency: 50 Hz or 60 Hz

Yaw system

• Type: Active• Yaw bearing: Externally geared• Yaw drive: 8 (optional 10) electric gear motors• Yaw brake: Passive friction brake

Controller

• Type: Microprocessor• SCADA system: WPS• Controller designation: SWTC, STC-1, SCS-1

Tower

• Type: Cylindrical and/or tapered tubular• Hub height: 99.5 m or site-specific• Corrosion protection: Painted• Surface gloss: Silk mat, 30–40 / ISO2813• Colour: Light grey, RAL 7035

Operational data

• Cut-in wind speed: 3 m/s• Nominal power at: 12–13 m/s• Cut-out wind speed: 25 m/s• Maximum 3 s gust: 59.5 m/s (IEC version)

Weights (approximately)

• Rotor: 66,700 kg• Nacelle: 73,000 kg• Tower: Site-specific

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1

2

4

2

3

3

4

Quantum Blade

• Unique design and manufacturing process • IntegralBlade® one-piece moulding for maximum

strength • Optimized aerodynamics for low to medium wind

conditions • Increased length for higher energy yield • Blade root – designed for minimized root

leakage and increased lift

Direct drive generator

• Permanent magnet design• Totally enclosed, easy to handle and lightweight design• Optimum reliability and efficiency

Nacelle

• Solid, compact and lightweight structure• Spacious, ergonomic design – maximum serviceability• 50% fewer parts compared to geared turbines

Cooling

• Simple and robust LiquidLink® water cooling system• Top-mounted passive cooling radiators• High-efficient two-stage cooling as function of power

Published by and copyright © 2011:Siemens AGEnergy SectorFreyeslebenstrasse 191058 Erlangen, Germany Siemens Wind Power A/SBorupvej 167330 Brande, Denmarkwww.siemens.com/wind For more information, please contactour Customer Support Center.Phone: +49 180 524 70 00Fax: +49 180 524 24 71(Charges depending on provider)E-mail: [email protected]

Renewable Energy DivisionOrder No. E50001-W310-A174-X-4A00Printed in GermanyDispo 34804, c4bs No. 7491LN 13982 WS 03113.0

Printed on elementary chlorine-freebleached paper. All rights reserved.Trademarks mentioned in this documentare the property of Siemens AG, its affiliates,or their respective owners. Subject to change without prior notice.The information in this document containsgeneral descriptions of the technical optionsavailable, which may not apply in all cases.The required technical options should thereforebe specified in the contract.

www.siemens.com/energy


CONFIDENTIAL

Nordex N100 Technical Description


CONFIDENTIAL

RCC – Turbine Foundation Design Drawings


CONFIDENTIAL

Nordex – Suitability Studies


CONFIDENTIAL

Turbine Power Curve Data

N100 – N117 – SWT 2.3-1134

Turbine and Tower Technical Data

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