EXPLORING WIND ENERGY What Makes Wind PROJECT TITLE
- Slides: 30
EXPLORING WIND ENERGY
What Makes Wind PROJECT TITLE
PROJECT TITLE Global Wind Patterns
History of Wind Energy 5000 BC 500 -900 AD 1300 AD Sailboats used on First windmills First horizontalthe Nile indicate developed in axis the power of wind Persia windmills in Europe 1888 Charles F. Brush used windmill to generate electricity in Cleveland, OH Early 1900 s Windmills in CA pumped saltwater to evaporate ponds 1993 US Wind. Power developed first commercial variable-speed wind turbine 1850 s Daniel Halladay and John Burnham build Halladay Windmill; start US Wind Engine Company 1941 In VT, Grandpa’s Knob turbine supplies power to town during WWII 2004 Electricity from wind generation costs 3 to 4. 5 cents per k. Wh PROJECT TITLE Late 1880 s Thomas O. Perry conducted 5, 000 wind experiments; starts Aermotor Company 1979 First wind turbine rated over 1 MW began operating 2013 Wind power provided over 17% of renewable energy used in US 1985 CA wind capacity exceeded 1, 000 MW 2016 Block Island Offshore Wind Farm was brought online (US’s first offshore wind farm)
Why Wind Energy? • Clean, zero emissions • NOx, SO 2, CO 2 • Air quality, water quality • Climate change • Reduce fossil fuel dependence • Energy independence • Domestic energy—national security • Renewable • No fuel-price volatility PROJECT TITLE
PROJECT TITLE Renewable Electric Capacity Worldwide US DOE, EERE 2017 Renewable Energy Data Book
US Electricity Generation from. PROJECT TITLE Renewables US DOE, EERE 2017 Renewable Energy Data Book
Top Wind Power Producing States, 2017 PROJECT TITLE Rank State Thousand MWh Rank State 1 Texas 67, 092 14 Indiana 4, 742 2 Oklahoma 24, 404 15 New Mexico 4, 542 3 Iowa 20, 816 16 Wyoming 4, 398 4 Kansas 18, 501 17 New York 3, 944 5 California 13, 971 18 Pennsylvania 3, 397 6 Illinois 11, 297 19 South Dakota 3, 154 7 North Dakota 10, 987 20 Idaho 2, 453 8 Minnesota 10, 885 21 Maine 2, 222 9 Colorado 9, 567 22 Montana 2, 150 10 Washington 7, 481 23 Missouri 1, 949 11 Oregon 6, 506 24 West Virginia 1, 607 12 Nebraska 5, 237 25 Ohio 1, 563 13 Michigan 5, 072 Thousand MWh
PROJECT TITLE Annual Installed U. S. Wind Power Capacity US DOE, EERE 2017 Renewable Energy Data Book
Installed Wind Capacities 1999 Total: 2, 500 MW PROJECT TITLE 2018 Total: 96, 487 MW
Wind Energy Potential by State PROJECT TITLE
U. S. Wind Resource Map PROJECT TITLE
Transmission Challenges PROJECT TITLE
China Leads the World in Wind Capacity PROJECT TITLE Total Installed Generating Capacity (MW) Source: Global Wind Energy Council
Why Such Growth? PROJECT TITLE …costs are low! • Increased Turbine Size • R&D Advances • Manufacturing Improvements 1979 40 cents/k. Wh 2000 4 -6 cents/k. Wh 2004 3 -4. 5 cents/k. Wh 2017 Less than 5 cents/k. Wh
Modern Wind Turbines PROJECT TITLE • Turbines can be categorized into two classes based on the orientation of the rotor.
Vertical-Axis Turbines Advantages • • Disadvantages Omni-directional • • accepts wind from any direction Rotors generally near ground where wind is poorer • Components can be mounted at ground level Centrifugal force stresses blades • Poor self-starting capabilities • ease of service • Requires support at top of turbine rotor • Requires entire rotor to be removed to replace bearings • Overall poor performance and reliability • lighter weight towers • PROJECT TITLE Can theoretically use less materials to capture the same amount of wind
PROJECT TITLE Horizontal-Axis Wind Turbines Intermediate(10 -250 k. W) Small (<10 k. W) • • • Homes Farms Remote Applications (e. g. , water pumping, Telecom sites, ice making) Large (250 k. W-2+ MW) • • • Village Power Hybrid Systems Distributed Power Central Station Wind Farms Distributed Power Schools
Large Wind Turbines Common Utility-Scale Turbines • 328’ base to blade • Each blade is 112’ • 200 tons total • Foundation 20’ deep • Rated at 1. 5 -2 megawatts • Supply power to about 500 homes PROJECT TITLE
PROJECT TITLE Wind Turbine Components
How a Wind Turbine Operates PROJECT TITLE
Installation of Wind Turbines PROJECT TITLE
Wind Turbine Perspective PROJECT TITLE Workers Blade 112’ long Nacelle 56 tons Tower 3 sections
Wind Farms PROJECT TITLE
Offshore Wind Farms PROJECT TITLE The first U. S. offshore wind farm is Block Island Wind Farm, located off the coast of Rhode Island. This five-turbine, 30 megawatt wind farm began operation in 2016.
Residential Wind Systems and Net Metering PROJECT TITLE AC to Grid Wind Turbine AC Utility Meter DC Voltage Input Inverter & Interconnects AC Voltage Input AC Electrical Circuits Main Utility Breaker Panel
Potential Impacts and Issues • • • PROJECT TITLE Property Values Noise Visual Impact Land Use Wildlife Impact Properly siting a wind turbine can mitigate many of these issues.
PROJECT TITLE Impacts of Wind Power: Noise
Wildlife Impacts PROJECT TITLE Top Common Human-caused Threats to Birds 3 000 000 Median/Avg. Estimated 2 500 000 2 400 000 2 000 000 1 500 000 1 000 000 599 000 500 000 214 500 000 6 600 0 Cats Building Glass Collision Communication Towers 25 500 000 [VALUE] Collision - Vehicles Collision - Land. Electrical Lines based Wind Turbines Hazard Type
For More Information PROJECT TITLE The NEED Project www. need. org info@need. org 1 -800 -875 -5029 Energy Information Administration U. S. Department of Energy www. eia. gov
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- What makes wind
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- Energy energy transfer and general energy analysis
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