低壓大電流整流器的諧波治理和無(wú)功補(bǔ)償技術(shù)與應(yīng)用.pdf

1、湖南大學(xué)碩士學(xué)位論文低壓大電流整流器的諧波治理和無(wú)功補(bǔ)償技術(shù)與應(yīng)用姓名：程瑩申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：控制科學(xué)與工程指導(dǎo)教師：羅安20100410碩十學(xué)位論文AbstractWiththeelectricpowerusedwidely，ithasbeenasymbolofdevelopmentandnationalpowerofcountryBesidesmeetingthepowerrequirementofindustrialprod

2、uction，societyandPeople’Slives，powerqualitymustbeimprovedtoenhanceindustrialproduction。scientificlevelandsocialcivilizationAsthemainharmonicandreactivepowersourcesinthegrid，theresearchandcontrolmethodoftherectifierisvery

3、importantBasedontwodifferenttypesofrectifiersinalargeCopperCo，LtdinHefei，thispaperaimstesearchthetechniqueandapplicationofharmonicsuppressionandreactivecompensationintheconditionoflowvoltageandhighcurrentFirstly，thegener

4、ationofharmonicandreactiveinpowersystemisintroduced，includingtheharmfulnessandsignificanceofcontr01Then，themeasuresandresearchstatusofharmoniceliminationandreactivecompensationarediscussed，especiallywithpowerfilterandrea

5、ctivecompensatoretc‘Secondlythispaperanalysestwodifferenttypesofrectifiersindetailwiththeoryandsimulation，andtheharmoniccontentandpowerfactorareobtainedrespectivelyWiththeactualworkingconditions，twosolutionscombinedpassi

6、vepowerfilter(PPF)，activepowerfilter(APF)andintelligentvarcompensator(IVC)areproposed，andthesimulationsofwholeeffectandharmoniccurrentamplificationarealsocarriedouttoverifythefeasibilityandpracticabilityoftheprojectThird

7、lywhentheharmonicandreactivecompensationsystemcomposedwithAPFandPPFworktogetherthecontrolstrategyandmethodhaveagreatimpactonfilteringperformanceBasedonthediscussionofoperationprinciplewiththreecontrolstrategiesandconside

8、rationofproblemwithdifferentcontrolstrategies，thispaperproposesafrequencydivisionstrategyandfastfrequencydivisionwithno。errorcontrolmethodofAPFThismethodcanresolvetheproblemsofsystemstabilityandharmoniccircumfluencewhich

9、broughtaboutbytheparalleloperationofAPFandPPF，anditalsohasbetterfilteringperformanceFinally，duetotheoptimaldesignofparametersplaysanimportantroleinimprovingtheperformanceofequipment，thispaperproposesaseriesofparametersde