A few of the photos that we showed at our stand in Husum

1. 3,6MW GEARBOX
FOR OFFSHORE WINDTURBINES
DRIVEN BY
TECHNOLOGY
DRIVING RENEWABLE ENERGY VIA HIGH RELIABILITY, LOW WEIGHT,
MULTI PLANET, FLEXIBLE PIN, EPICYCLIC GEARBOXES.

2. MINI-MASS Flexible Pin Gearboxes TYPICAL FACE LOAD DISTRIBUTION 25% Load
for wind turbines
50% Load
0.6000 75% Load
Relative Root Stress Intensity
100% Load
0.5000
0.4000
• low mass high - reliability wind turbine drive trains with :- 0.3000
0.2000
• Flexible pins, dual rate stiffness 0.1000
0.0000
• Uniform tooth / planet load - multi planet 1 2 3 4 5 6 7 8
Gauge position
• Torque split - single plane of reaction - gear train Input (rotor) side (left) Output (alternator) side (right)
Typical strain gauge output from
• Gear case free from rotor loads and deflections gear tooth root
2MW variable ratio gearbox ready for dispatch.
DRIVING DIRECT ONLINE SYNCHRONOUS
Annulus Planet wheel GENERATORS WITH ORBITAL2 VARIABLE
Carrier
RATIO GEARBOXES
Planet spindle • A significant reduction in the offshore
• Allows gearbox ratio to be continuously power electronics and electrical equip-
Flexible pin varied throughout whole wind turbine ment increasing the reliability and avai-
speed range making it possible use a lability
direct online synchronous generator
Over load stop
• Provides torque protection of the gear
Sun wheel • Synchronous generators give better- train and rotating elements against wind
power quality, can operate at higher gusts resulting in higher gearbox reliability.
voltage and improve the reliability of
the total drive train • Following the success of the 2MW
variable ratio gearbox ORBITAL2 have
started the development of a 5MW version
testing in Korea with a Korean integrating a 3.6MW working in China supporting variable ratio gearbox
and Czech built 3MW gearbox with the end customer in China Licensee Hangzhou Advance Gearbox Group Co in operation in WikovWind turbine in Czech Republic

3. GEARBOX LOAD TESTING
Hicks designed wind turbine gearboxes
1986 LS1 First European 3MW wind turbine with a flexible pin gearbox
UK WIND ENERGY GROUP
1990’s 350 kW production wind turbine gearboxes 3.6 MW SEWIND
UK WIND ENERGY GROUP
2002 World’s first production variable ratio wind turbine 650kW
New Zealand WINDFLOW
2004 3.4 MW variable ratio prototype wind turbine
Norway SCANWIND
3 MW Doosan
O R B I T A L 2 licensed gearboxes
Licence to Wikov
2006 1.3 MW the world’s first production tidal turbine
UK MARINE CURRENT TURBINES
2007 2 MW variable ratio prototype wind turbine
Czech Republic WIKOV WIND Licence to DOOSAN Mottrol
2008 500 kW tidal turbine prototype 2010 3 MW Wind Turbine
UK TGL Customers: Doosan Korea
2008 3 MW off shore wind turbine production gearboxes 3 MW SINOVEL
Korea DOOSAN Licence to Hangzhou Advance Gearbox Group Co., Ltd.
2009 3 MW off shore wind turbine production 2010 2 MW Wind Turbine
gearboxes. China SINOVEL Customers: China XJ
2010 3.6 MW Wind Turbine. China SEWIND
2010 2 MW Wind Turbine Licence to China CNR
Customers: India INOX Korea HYUNDAI China (XJ) 2010 1.5 MW Wind Turbine
2011 5 MW Wind Turbine – China DONGFANG Customers: China JINAN
2 MW XJ, China

4. DRIVING RENEWABLE ENERGY VIA HIGH RELIABILITY, LOW WEIGHT,
MULTI PLANET, FLEXIBLE PIN, EPICYCLIC GEARBOXES.
, Wikov supplied 3,6MW Gearbox for Shanghai China new 5MW 1.5MW 2MW - built under licence in Czech
– one of the largest offshore turbines in China - supplied by China CNR Republic and China
, Wikov supplied 3 MW Gearbox
2MW assembly in China site visit to 1.5MW site visit at the launch of our 1.5MW with Licensee China CNR
by Licensee Hangzhou Advance Gearbox Group Co Licensee China CNR to Marine Current Turbines

5. O R B I T A L 2 - Mission Statement
The supply of market leading innovative gearbox
designs for WIND and TIDAL turbines that offer low
weight and high reliability via ORBITAL2 flexible pin,
multi planet epicyclics gearboxes.
O R B I T A L 2 – Deliverables
• INNOVATIVE gearbox solution‘s via licensed design
• Full set of manufacturing drawings
• Prototype build/test super vision/GL approval
• Ongoing super vision/training and QA audit
of gearbox licensee.
• In-ser vice improvements of gearbox via technical
a
updates
• Technical support over full product life cycle
A Full design and engineering service from concept
n n eng om n
to end of life
PHOT
PHOTO M
PHOTO - 2MW SPG IN ACTION - Wikov Wind - Czech Republic
P N TO i o Wind z ch public ubli
ORBITAL2 ltd. Frank Cunliffe
Morva, Griggs Close Managing Director
Chipping Campden E-mail: frankcunliffe@orbital2.com
bi
GL55 6BJ, UK Tel.: +44 7768820152 www.orbital2.com
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