港口變電所無功補償和諧波治理的研究

1、武漢理工大學碩士學位論文港口變電所無功補償和諧波治理的研究姓名：程亮申請學位級別：碩士專業(yè)：機械電子工程指導教師：徐長生20061101武漢理工大學碩士學位論文AbstractAstheteclmologYofpowerelectronicsdevelopsalotofnonlinearpowerdectroniccomponenIsareappliedwidelyintheel洲cpowersystemThe∞mplicaciesof

2、electricpowersystemstructurealsogiverisetoaseriesofproblemAmongthem，themostseriousproblemishowteducepowerfactorandpollutionofharmonicPowerfactorbeingoverlYlowwillc丑usenIasswasteofelcctricenergyTheexistence0fharmoniccurre

3、ntwillpossiblyleedtoharmonicvibrationofequipmentwhich伽impaircomponentsPortpowersystemhavealotofnonlinearpowerelectmniccomponen塢TheyarelowpowerfactorandleadtOharmoniccurrentThcYnotonlywastepowerbutalsobringlatencyharmInaw

4、ordreactivepowercompensationandharmoniccurrentrestrainhavebecomeoneofthemostimportantproblemsNowadaysmostportstraditionallyadoptparallelconnectedcapacitorslDcompensatereactivepowerAlthoughthismethodcanaffectivelycompensa

5、testaticreactivepoweritisnotgood啪ughforthedynamicreactivepowerintheportpowersystemInadditionthismethodmaycauseextraharmonicCompareteactivepowercompensationtheoryHarmonicrestraintheorydevelopedslowerBecausetheharmofharmon

6、icisfoundinthepastyearsmostportshaventadoptharmonicrestraindevice，tostudydynamicreactivepowercompensationandharmonicrestrainofportpowersystemisofpracticallyimportanceThispaperthoroughlydiscussedtheeffectsofreactivepov4er

7、andharmonicandstudiedthereactivecurrentandharmoniccurrentwithdynamicreactivepowertheoryappliedBasedontheac℃uratesurveyofreactivecurrentandharmoniccurrentitthenstodiedthemethodofdynamicCompensationintroducedadvancedtheory

8、ofstaticvargeneratorandactivepowerfilterandcomputingaccordingtothecircumstancesofportThcresultofcomputingisbetterandc翹makeittofactFinallyitexplicatedthesimulationofdynamicreactivepowercompensationandharmoniccompensationm

9、ethodinMATLABwithsimulinksimulationlibraryResultofthissimulationindicatedthattheactivepower丘IterdesignedaccordingtotheinstantaneousreactivepowertheorycaneffectivelVsun，eyandfilterharmoniccomponenttestrainharmonicKeywords