發(fā)電廠化學(xué)在線監(jiān)控及診斷系統(tǒng)研究.pdf

1、西南交通大學(xué)碩士學(xué)位論文發(fā)電廠化學(xué)在線監(jiān)控及診斷系統(tǒng)研究姓名：陶若冰申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：電氣工程指導(dǎo)教師：郭世明20070601西南交通大學(xué)工程碩士研究生學(xué)位論文第1I頁ABSTRACTWiththedevelopmentoftheelectricpowerindustry，newrequestofadvancedtechniqueandmanagementlevelareputforwardforengineersduringth

2、ecourseofbuildingofnewpowerplantorrebuildingofexistingpowerplantImprovingmanagementlevelofgeneratingmachineandtheperformanceofoperatordealingwithfaultarepaidmoreattentiontoSotheonlinemonitoringanddiagnosissystemofwaterva

3、porqualityhasbeenanimportantmethodforensuringnormaloperatingofpowerplant，dealingwithfaultintimeandpreventingaccidentItisnecessarytodevelopanewchemistryonlinemonitoringanddiagnosissystembasedonmicrocomputersuitableforpowe

4、rplantinChinaThebaseofthissystemiscontinuousonlinemonitoringSomeessentialchemistryparametersandoperatingparametersareusedasinformation，andthemicrocomputerscollectsignalsautomaticallyThequalityofwatervaporaremonitoredanda

5、nalyzedthroughdiagnosisprogramprovidedbyexpertswithabundantexperience，andtheputtinginofchemicalmedicamentarecontrolledautomaticallyTheprogramalsomayprompttheoperatorshowtodealwiththeabnormalphenomenon，andimprovethejudgep

6、erformanceandflexibilityformeetinganemergencyforoperatorsequaltoalevelofdiagnosisprogramTheapplicationofchemistrymedicamentonlinemonitoringanddiagnosistechniqueispropitioustosupervisingoperatingTheprogrammabletechnique，v

7、ariablefrequeneyspeedcontroltechniqueandimprovedPIalgorithmareusedincontrolsystemofboilerwatersupplysysteminthispaperThedifficultyofmanualcontrolandworsereliabilityofDCspeedcontrolareremovedTheproposedmethodmaybeappliedi

8、nregulatingofwatersupplysystemofpowerplantboiler，puttingphosphateinboilerwater，puttingwaterqualitystabilizationmedicineandvitriolincyclecoolingwater，puttingsterilizationandreducingagentinpretreatmentsystemofreplenishment