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1、NewEnergyResourcesandelectricitygenerationTraditionalenergyandelectricitygenerationAlthoughtherearemanydifferentsourcesofenergyavailable,morethanthree-quartersoftheenergyusedindevelopedcountriescomesfromoil,gasandcoal.Currentlythethermalpowerplantsofourcountry,whichtakeupmore
2、than70%oftheinstalledcapacityofChina’selectricalpowersystem,usecoalasfuel.ExistingenergyExistingpowersourcesofenergyarethreekinds,namely,______power,_____powerand_______power.Witheconomicdevelopment,socialprogress,peopleputforwardhigherrequirementsofenergy,Findnewenergysource
3、sbecomeanurgentissuefacinghumanity.thermalhydronuclearTheshortcomingsofthermalpowerThermalpowerplantsarethosemakinguseoffuelslikecoal,petroleumandnaturalgas.Ontheonehandthelimitedreservesoffossilfuels,themoreburning,thelessleft,whichisfacingthedangerofdepletion.Itisestimatedt
4、hatworldwideoildepletionputanother___years.Ontheotherhandburningfuelwillemit____________and____________,therebycausingthe___________effectand____rain,deteriorationofglobalenvironment.30carbondioxidesulfuroxidesgreenhouseacidTheshortcomingsofhytro-powerWatertodrownlargeareasof
5、land,mayleadto__________destructionandifthelarge_________oncecollapse,theconsequenceswouldbedisastrous.Inaddition,acountry'swaterresourcesarelimited,butalsobytheimpactoftheseason.ecologicalreservoirsWhatdoyouknowaboutnewenergy?WindpowerSolarpowerTidalpowerWindenergyWindpoweri
6、stheconversionofwindenergyintoausefulformofenergy,suchasusingwindturbinestomakeelectricity,windmillsformechanicalpower,windpumpsforpumpingwaterordrainage,orsailstopropelships.发动机箱Enginebox包含：变速箱Transmission发电机Generator电子控制装置Electroniccontrol偏航控制器Yawcontroller制动装置BrakeDevice高空
7、风能发电High-altitudewindpower发动机箱Enginebox变速箱Transmission发电机Generator电子控制装置Electroniccontrol偏航控制器Yawcontroller制动装置BrakeDevicePhraseaboutwindpower风轮windrotor垂直轴风力机verticalaxiswindturbine水平轴风力机horizontalaxiswindturbine风轮额定转速ratedturningspeedofrotor风轮最高转速maximumturningspeedofrotor风
8、轮扫掠面积rotorsweptarea风场电器设备siteelectricalfacilities风力机windturbine风电场wi
