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1、附 录附录A 外文资料PowersystemloadforecastingmethodsandcharacteristicsofAbstract:Theloadforecastinginpowersystemplanningandoperationplayanimportantrole,withobviouseconomicbenefits,inessence,theelectricityloadforecastingmarketdemandforecast.Inthispaper,asystematicdescriptionandanal
2、ysisofavarietyofloadforecastingmethodsandcharacteristicsandthatgoodloadforecastingforpowersystemhasbecomeanimportantmeansofmodernmanagement.Keywords:powersystemloadforecastingelectricitymarketconstructionplanning1.Introduction Loadforecastingdemandforelectricityfromaknown
3、startingtoconsiderthepolitical,economic,climateandotherrelatedfactors,thefuturedemandforelectricitytomakepredictions.Loadforecastincludestwoaspects:onthefuturedemand(power)projectionsandfutureelectricityconsumption(energy)forecast.Electricitydemandprojectionsdecision gener
4、ation,transmissionanddistributionsystem,thesizeofnewcapacity;powergeneratingequipmentdeterminethetypeofprediction(suchaspeakingunits,baseloadunits,etc.).Loadforecastingpurposesistoprovideloadconditionsandthelevelofdevelopment,whileidentifyingthevarioussupplyareas,eachyearp
5、lanningforthe powerconsumptionformaximumpowerloadandtheloadofplanningtheoveralllevelofdevelopmentofeachplanyeartodeterminetheloadcomposition.2.loadforecastingmethodsandcharacteristicsof2.1UnitConsumptionActOutputofproductsinaccordancewithnationalarrangements,planningandele
6、ctricityintensityvaluetodetermineelectricitydemand.Sub-UnitConsumptionAct;ProductUnitConsumption;andthevalueofUnitConsumptionAct;two.theprojectionofloadbeforethekeyistodeterminetheappropriatevalueoftheproductunitconsumptionorunitconsumption.JudgingfromChina'sactualsituatio
7、n,thegeneralruleistheproductunitconsumptionincreasedyearbyyear,theoutputvalueunitconsumptionisdeclining.Unitconsumptionmethodadvantagesare:Themethodissimple,short-termloadforecastingeffective.Disadvantagesare:needtodoalotofpainstakingresearchwork,moregeneral,itisdifficultt
8、oreflectmoderneconomic,politicalandclimateconditions.2.2Trendextrapolation Whenthepowerl