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单元机组协调控制系统的优化整定.docx

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单元机组协调控制系统的优化整定 Title:OptimizationandTuningofUnitControlandCoordinatedControlSystem Abstract: Inmodernpowersystems,thedemandforreliableandefficientoperationisofparamountimportance.Thecontrolsystemsusedinpowerplantsplayavitalroleinachievingthisgoal.Unitcontrolandcoordinatedcontrolsystemsareresponsibleformaintainingthebalancebetweenpowergenerationandconsumption,andensuringstableoperationofindividualgeneratingunitsaswellastheentirepowersystem. Thispaperfocusesontheoptimizationandtuningofunitcontrolandcoordinatedcontrolsystemsinpowerplants.Theobjectiveistoprovideanin-depthanalysisofthevariousoptimizationtechniquesandtuningmethodsemployedtoenhancetheperformanceandefficiencyofthesecontrolsystems. 1.Introduction Theimportanceofunitcontrolandcoordinatedcontrolsystemsinpowerplantsisdiscussed,highlightingtheirrolesinmaintainingstability,reliability,andefficiencyinpowergeneration.Theobjectivesandscopeofthepaperareoutlined,providingaroadmapforthesubsequentsections. 2.UnitControlSystem Thissectionprovidesanoverviewoftheunitcontrolsystemanditscomponents.Theprimaryfunctionsoftheunitcontrolsystem,suchasloadfrequencycontrol,automaticgenerationcontrol,andboiler-turbinecontrol,areexplained.Thechallengesandconstraintsfacedintheunitcontrolsystemarediscussed,settingthestageforoptimizationandtuningtechniques. 3.CoordinatedControlSystem Thecoordinatedcontrolsystemisexplainedindetail,includingitscomponentsandfunctions.Theimportanceofcoordinatedcontrolinregulatingpoweroutput,maintaininggridstability,andoptimizingunitdispatchisemphasized.Thechallengesandissuesfacedinthecoordinatedcontrolsystemarediscussedtohighlighttheneedforoptimizationandtuning. 4.OptimizationTechniques Variousoptimizationtechniquesemployedinunitcontrolandcoordinatedcontrolsystemsareexploredinthissection.Thisincludestraditionaloptimizationmethods,suchasproportional-integral-derivative(PID)tuningandgeneticalgorithms,aswellasadvancedtechniqueslikemodelpredictivecontrolandfuzzylogiccontrol.Theadvantages,limitations,andbestprac