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1、-------内蒙古科技大学硕士学位论文AbstractAtpresent,withtherapiddevelopmentofpowersystem,thesystemstructureis
becomingmoreandmorecomplex,sothattheproblemsofvoltagereactivepowercontrol
inpowersystemismoreandmorevaluedbystaffandresearchdepartment.Mostofthe
currentarea
2、ofthegridusingthereactivepowerbalanceprinciple,namelytheapplication
(VQC)thisisasinglecompensationdevicetosolveaparticularregionorsubstation
voltageandreactivepowercontrol.However,thismethodofcoordinationispoor,cannot
realizethewholenetworkcoordinatedc
3、ontrol,andintheoneortwostageofon-load
voltageregulationareextremelyeasytooccurduringswitchingshocks.Basedontheanalysisofthevarietyofvoltageandreactivepowercontrolbasedon
themethod,theshort-termloadforecastingmethod,reactivepoweroptimizationtheoryis
app
4、liedtothecontrolofreactivepowerandvoltage,designbasedonimprovedgenetic
algorithmreactivepoweroptimizationprogram,tomakeuseofitsadvantagetoreactive
poweroptimization.Inaddition,wentontostudybasedonlinearextrapolationmethodfor
shorttermloadforecasting,el
5、ectricpowerloadforecastingtechnologyisintroducedinto
thecontrolofreactivepower.Theoverallschemeisfirstpredictedthefutureofeach
substationsubstationinashortperiodoftimetheshort-termpowerloadforecasting,the
resultsbacktothedispatchingautomationsystem(SCA
6、DA),dispatchingautomation
systemusingrealtimemonitoringanddataacquisitionnetworkparameters(voltage,
power,power,reactivepower,activepowerloadactiveandreactivepoweretc.)function,
inaccordingtothehistoricaldata,throughtheflowcalculationandimprovedgenetic
7、
algorithmforreactivepoweroptimization,anddeterminethewholenetworkfor
transformeron-loadtapjointgearandcapacitorsetnumberofoptimalnumberofaction,
achievethewholenetworkcoordinatedcontrolofreactivepowerforthepurposeof
distribution.Voltagereactivepowerop
8、timizationcontrolsystemusedforpowergrid,reactive
powercontrolandthewholenetworksafeoperationandstabletoprovideadvanced
technicalassurance,tobetteradapttothepowersystemsecurity,stability,economicneeds.
Atpresent,thesystemhasbeenappliedin
