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©3E | A NAKED TURBINE FOR HARSH ENVIRONMENTS 2011 Wind Diesel Workshop 2010
©3E | Background Design drivers Technology Status Conclusions 2011 International Wind-Diesel Conference |2 CONTENTS
©3E | 2011 International Wind-Diesel Conference |3 3E - Renewable Energy & Energy Efficiency Consultancy - Based in Brussels, Belgium - Presence in China, Turkey, South-Africa and France - Services in Wind -Site screening, feasibility, resource assessments and data analysis -Design & technical advisory -Due diligence -Monitoring & continuous performance optimization - Targeted services for project developers, investors, lenders - www.3E.euwww.3E.eu
©3E | 2011 International Wind-Diesel Conference |4 3E ACTIVITIES IN HYBRID POWER SYSTEMS - Focusing on feasibility studies, system dimensioning and system integration - Projects in Vietnam, Mali, Cambodia, Antarctica, Haiti, Cape Verde…
©3E | System characteristics - Village community - Retrofit wind-diesel system - Electricity tariff 15 ¢€/kWh - Utility unwilling to expand 3E tasks - Wind resource assessment - Technical-economic feasibility - Technical project plan 2011 International Wind-Diesel Conference |5 3E HYBRID POWER PROJECTS Timbuktu, Mali
©3E | System characteristics - Main harbour in the country - Retrofit wind-diesel system - Low-wind speeds 3E tasks - Wind resource assessment - Selection of system configuration - Tendering procedure 2011 International Wind-Diesel Conference |6 3E HYBRID POWER PROJECTS Sihanoukville, Cambodia
©3E | System characteristics - Stand-alone research base - PV-wind-diesel system - 100% renewable 3E tasks - System design - Component selection - Detailed engineering 2011 International Wind-Diesel Conference |7 3E HYBRID POWER PROJECTS Polar Station, Antarctica
©3E | 1. Overall investment cost is still too high - Custom engineering adding on to the total cost - Complex BOP components further increase cost - Foundations in uncooperative soils can drive the cost up - Transport & installation often overlooked and exorbitant 2. Reliability still an issue - Wind turbines do need maintenance - Lack of ownership, especially in less developed regions 3. Yield at low-windspeed sites could be better - Turbines are installed close to load centres - We need low-windspeed rotors that can cope with extreme conditions 2011 International Wind-Diesel Conference |8 TURBINES ON REMOTE LOCATIONS Issues 3E has come across as hybrid-power system integrator
©3E | DESIGN FOR REMOTE LOCATIONS 2011 Design criteria throughout the development process INCREASED ROBUSTNESS OPTIMISED LOGISTICS LOW- WINDSPEED AERODYNAMICS LOWER INVESTMENT COST LOWER OPERATIONAL COST HIGHER YIELD PRE-ENGINEER & PRE-PACKAGE International Wind-Diesel Conference |9
©3E | A RADICALLY NEW TURBINE 2011 XANT: Xtremely Austere, Nimble yet Tough International Wind-Diesel Conference |10
©3E | ELIMINATING THE DRIVE TRAIN INCREASES ROBUSTNESS 2011 XANT Drive Train Direct-drive generator Permanent magnet rotor One set of bearings One single rotating component Modular stator Benefits Lower parts count No need for alignment Easy repair & replacement International Wind-Diesel Conference |11
©3E | SIMPLIFY CONTROL & ELECTRONICS 2011 XANT Control Eliminated active servo systems Reduction of number of sensors Electronics in controlled environment Benefits Reliability through fewer connections Less Maintenance International Wind-Diesel Conference |12
©3E | INCLUDE BOP IN SCOPE OF SUPPLY 2011 XANT integrated BOP Integrated dump-load & storage One single interface Benefits Smooth grid-side output No need for custom-engineering Less commissioning errors International Wind-Diesel Conference |13
©3E | XANT HALVES COST OF TRANSPORT 2011 XANT Logistics Transport in 40-foot container Limited component weights Benefits Avoided heavy equipment during installation Suitable for complex terrain and remote sites International Wind-Diesel Conference |14
©3E | OFF-THE-SHELF COMPONENTS & STANDARD MANUFACTURING FOR GLOBAL SOURCING 2011 XANT components Standard tubes for structural components Standard blade manufacturing techniques Off-the-shelf bearings and yaw-drive components Innovative but not exotic Benefits Capex reduction by global sourcing Supply chain control by multiple supplier strategy glass-fibre reinforced plastics & epoxy resin dry lay-up & resin- infusion moulding NdFeB Magnets M330-50A stator core off-the-shelf bearings S355 J2 steel EN 10 210 steel tubes EN 15 614 welding International Wind-Diesel Conference |15
©3E | AVOID USE OF EXPENSIVE CRANES 2011 XANT Tower Tilt-up guyed tower On-site assembly Erection without crane Benefits No crane needed for installation and maintenance Lightweight and Low cost Smaller foundations Lower tower shadow and noise International Wind-Diesel Conference |16
©3E | SWEPT PLANFORM BLADES REDUCE LOADS WHILE STABILISING YAW MOTION 2011 XANT Rotor Swept-planform blades Standard manufacturing technique Benefits Load reduction Noise reduction Stable yaw behaviour Innovative “looks” International Wind-Diesel Conference |17
©3E | A POWER CURVE THAT PEAKS WHERE IT MATTERS 2011 XANT-21 Power Curve High up in 7-11m/s range Drop off above 20m/s Benefits Increased energy capture International Wind-Diesel Conference |18
©3E | 2011 DEVELOPMENT CYCLE & STATUS XANT-21 Design Conceptual Design Preliminary Design Final Design Certification Development Accompanying Assessment GL Design Assessment Prototype Component prototyping Full-scale prototyping Testing Type Certification Field tests 2008 2010 2009 2011 2012 International Wind-Diesel Conference |19
©3E | 2011 CONCLUSIONS International Wind-Diesel Conference |20 Bring the project cost down by reducing the cost of engineering: “a few sizes fits all” by reducing the cost of transport & installation by reducing the cost of BOP components Expand the market beyond these niche markets of industrialised regions with high COE to the developing world We need very reliable turbines that require minimal maintenance We need turbines optimised for low wind-speed sites that can cope with extreme conditions
©3E | CONTACT DETAILS Werner Coppye 3E Vaartstraat 61 1000 Brussels Werner.Coppye@3e.eu +32 476 55 28 10 2011 Alex De Broe 3E Vaartstraat 61 1000 Brussels Alex.DeBroe@3e.eu +32 485 57 92 32 International Wind-Diesel Conference |21
WORLDWIDE WIND ENERGY SOLUTIONS State-of-the-art midsize (50 to 500 kW) wind turbines reducing your energy cost. Designed for industries, farms schools,
1 Adviser ： Dr. Yuan-Kang Wu Student ： Ti-Chun Yeh Date ： A review of wind energy technologies.
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Wind Turbines Thomas Reinke Material from this presentation may not be copied, reused in any format.
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