燃气轮机控制技术研究

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1、东南大学硕士学位论文燃气轮机控制技术研究姓名：魏静申请学位级别：硕士专业：能源信息技术指导教师：吕剑虹20080401ABSTRACTWIththefurtherexploitationandutilizationofnaturalgasandincreasingaRentiontoenvironmentalproblem，gas／steamturbinecombinedcyclegeneratingunittechnologyhasdevelopedrapidly．Becausegasturbineisthefundamentalpartofthepowerplant，

2、applicationresearchonsystemmodelingandcontrolalgorithmofgasturbineisessential．GasturbineofmodelMS7001EAofGECompanyisregardedastheresearchobjectinthispaper．Intermsofenergytransformation，controlbutnon-structural-design，modelsofthegasturbinebasedonsimpleandcombinedcyclehavebeenestablishedsuc

3、cessively,andthewholedyuamicprocesssimulationexperimentwascarriedonforagasturbinebasedonMatlab／Simulinkbyanalysisonitsnonlinearstatespaceequation．Thesimulationresultsmatchwiththeactualphysicalprocess，anditshowsthattheparametersandmodelselectedinthestudyconfortnbasicallytotheactualsituatio

4、nofgasturbine．Basedonthecontrolsystemmodelofthegasturbineestablishedinthestudy,recursiveextendedleastsquareswasusedtoidentifyd3，namicmodelofthegasturbinerotorspeedwhichpossessdefiniteaeeumeyundertypicaloperatingpoints，andreliablemathematicalmodelisprovidedforadoptingadvancedcontroltechnol

5、ogyusedforspeedcontr01．TheprincipleofgasturbineprimarycontrolsystemofmodelMARKV1wasalsointroduced．Therelationamongeachsubsystemofthegasturbinewasstudiedatanintegralangle．Theprimaryfrequencyregulationofthegasturbinebasedonsimplecycle，andtheloaddistributionschemesofthegas／steamturbineincomb

6、inedcyclepowergenerationwereanalysed．Powerplantsusinggasturbineshashighercontrolquailtyrequirementsthanconventionalpowerplants，theconventionalPIDcontrolarithmeticwhichissimplesetIingisdifficulttocompletelymeetwiththerequirements．Thereforeitisofimportantsignificancetostudyadvancedcentrelar

7、ithmeticeombinedwiththecharaCteristicsofgasturbineanditscombinedcycle．Inthegasturbinecontrolsystem，theperformanceofexhaustgastemperaturecontrolaffectsthecombinedcycleunits’efficiency．Badcontrolperformancewillcauseovertemperatureburninganddamageequipmentsofthegasturb