Presentation on theme: "Susan Zobitne, Chelsea Fufaro, Tim Bousson"— Presentation transcript:
1Susan Zobitne, Chelsea Fufaro, Tim Bousson Wind PowerSusan Zobitne, Chelsea Fufaro, Tim Bousson
2IntroductionWind power - power obtained by harnessing the energy of the windWind farms – an area of land with a group of energy producing windmills or wind turbinesWindmill – a building with sails/vanes in the wind and generate power to grind grain into flowerWind turbine – also referred to as a wind power plant, a device that converts kinetic energy from the wind into electric current
3How a turbine worksThe energy in the wind turns two or three propeller blades around a rotatorThe rotator connected to the main shaft spins, generating electricity
4Objectives Wind power growth Laws/regulations impacting wind power Production developed/undeveloped areasDevelopmentConstructionOperationLifespan/sustainabilityTechnical impediments to development/deployment of wind powerEnvironmental/social/political issues
5Evidence supporting wind power as a significant energy source in the future PlentifulRenewableCleanConsistent/reliableDenmarkChina
8Why wind might not be major source in the future CostWind – 8.2 cents/kWhAdvanced clean coal – 11 cents per kWhNuclear, same as clean coalAdvanced natural gas-burning plants – 6.3 cents/kWhSubsidies/efficiency
10Laws/regulations impacting wind power Individual state regulationsNoise Control Act
11Productions; developed areas Wind power depends upon the ability of moving air to drive blades on a turbine that in turn produces electricity. It is renewable in the sense that we will never run out of moving air. Also, wind power produces essentially no carbon emissions.
12Productions; minimally developed DEVELOPMENTMonitor/confirm site wind resourceOne of the first and most important steps in the development process is to confirmthe initial wind speed assessment ; install a temporary meteorological mast on the site fitted with an array of anemometry equipment.The more data we can gather the better; Generally at least months’ worth before taking a project into construction.
13Consult with individuals and organizations with an interest in the project Begin permitting process at the same time as gathering wind data. This will include detailed site surveys and environmental studies which are supported or performed by specialist independent consultants. The scope of these depends on the characteristics of a particular site but would typically include:OrnithologyEcologyLandscapeArchaeologyGround conditions & hydrologyTraffic and transportAviation (FAA)NoiseSocio-economic impactBegin grid interconnection process
14CONSTRUCTIONIn parallel with this, an agreement is entered with grid management organization to connect the wind farm to the grid.Complete pre-construction activitiesReceive Wind Turbine ComponentsInstall Wind Turbines and interconnect with the grid
15OPERATIONBetween 9 and 18 months and, once complete, the wind farm then moves into the operational phase.Modern wind farms are fully automatic, continually reconfiguring themselves to extract to most energy out of the prevailing wind conditions, and are managed using remote telemetry from an off-site operations center
17Wind power sustainability/ lifespan Lifespan: 20-25yrs approx.Since wind speed is not constant, a wind farm's annual energy production is never as much as the sum of the generator nameplate ratings multiplied by the total hours in a year. The ratio of actual productivity in a year to this theoretical maximum is called the capacity factor.It’s consistent year to year; Many variations over shorter time scales.As the proportion of wind power in a region increases, a need to upgrade the grid, and a lowered ability to supplant conventional production can occur.Power management techniques such as having excess capacity storage, geographically distributed turbines, dispatchable backing sources, storage such as pumped-storage hydroelectricity, exporting and importing power to neighboring areas or reducing demand when wind production is low, can greatly mitigate these problems.Weather forecasting permits the electricity network to be readied for the predictable variations in production that occurWorldwide there are now over two hundred thousand wind turbines operating, with a total nameplate capacity of 282,482 MW as of end 2012
18Technical impediments to development/deployment of wind power Environmental effects of wind power are relatively minor.Danger to birds and bats has been a concern in some locations.Noise levelsPower CurtailmentWind towers require aircraft warning lights, which create bothersome light pollution
19Overcoming impediments? Many of the impediments cannot be overcome.
20Environmental problems Impact on wildlifeLand use/ Aesthetic problemsOther concerns
21Social/political problems NoisePower Availability and TransmissionInvasion of spaceProblems with poor practiceSocial DisruptionOther problems
22Conclusion Wind power production is growing worldwide It is a clean, renewable resource that is reliableThere are regulations in place concerning wind powerIt has a lifespan of yearsIt has relatively minor environmental effects