简介：Windpowerpredictioniscrucialtotheoperationofthepowersystemaccommodatingalargeamountofwindpower.Fromtheperspectiveofpowerdispatch,thispaperdiscussesthecurrentsituationsofthetechnology,systembuilding,predictionerrors,theindexforevaluatingwindpowerpredictionsystemandthemainbodiesresponsiblefortheprediction.Itdelvesintotheexistingproblemssuchasincompletebasicdata,poorpredictionaccuracy,shortpredictiontimescale,aswellaslackingofpredictioninmostwindfarms.Suggestionsonimprovementareproposedincludingenhancingtheconstructionofwindpowerpredictionsystemonboththegridsideandthewindfarmside,speedingupthedevelopmentofultra-shorttermwindpowerpredictionsystem,deepeningtheresearchonwindpowerpredictiontechnology,strengtheningtheconstructionoftechnicalstandardsystemandcarryingoutcross-sectorcooperation.

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简介：Accuratepredictionofwindpowerissignificantforpowersystemdispatchingaswellassafeandstableoperation.BymeansofBPneuralnetwork,radialbasisfunctionneuralnetworkandsupportvectormachine,anewcombinedmethodofwindpowerpredictionbasedoncooperativegametheoryisproposed.Inthemethod,everysingleforecastingmodelisregardedasamemberofthecooperativegames,andthesumofsquareerrorofcombinationforecastingistakenastheresultofcooperation.TheresultisdividedamongthemembersaccordingtoShapleyvalues,andthenweightsofcombinationforecastingcanbeobtained.Applicationresultsinanactualwindfarmshowthattheproposedmethodcaneffectivelyimprovepredictionprecision.

简介：1.Speedupthedevelopmentofthefifthenergyresource-electricalenergy-savingTheworldexperiencedseriousenergycrisestwiceinthe1970’s,butthesituationwasalleviatedatthebeginningofthe1980s.Comprehensivereportspublishedbyinternationalenergyorganiza-tionsin1986summeduptheimportantachievementsofenergy-sav-ingobtainedin19mainindustrializedcountriesintheperiodof1973to1985.Theirprimaryexperienceistobringaboutthestructuralenergy-savingbyrelyingonthetechnicalprogress,thatis,changingthehighenergyconsumptionindustriestolowconsumptionones.Thischangetidedthemsuccessfullyovertheenergycrises,moreo-