潛油電機起動過程對油管的振動影響分析.pdf

1、中國科學(xué)技術(shù)大學(xué)碩士學(xué)位論文潛油電機起動過程對油管的振動影響分析姓名：耿艷杰申請學(xué)位級別：碩士專業(yè)：機械電子工程指導(dǎo)教師：馮志華20050501蔓蘭塞塑主里型蘭墊查查蘭堡圭絲苧ABSTRACTTheelectricalsubmersiblepumpisoneofthemostimportantoil一productionmethodsusedinoilfield，particularlywhenafieldenterslaterhigh

2、—watercutperiodTheoffshoreartificialliftsystemconsistoftheESPunitandtheoil—pipesStartingthethree—phaseinductionmotorcausestorsionalvibrationonthepipeshthispaper，firstlythebasicconstructionofESPunitisanalyzedThestator’res

3、istancetorquecanberegardedasoutsideforceFurthermoreavibrationalmodelofoilpipeandESPsystemisbuiltbasedontheflexiblecolumnanddiskmethodunderthezeroinitialconditionsBasedontheboundaryconditions，thenaturalfrequency’experssio

4、noftheoil—pipesarealsogivenhere，whichlietheoreticalfoundationfortheoil一pipeschoosinganditstorsionalvibrationanalysisThewholeprocessofESPunitatstartingisanalyzedandcalculatedtheoreticallybyacomputer，thencomesupwithvariety

5、regulationoftransientprocessTheyarethedirecttheoreticalfoundationofacontrollingandadjustingschemeforsubmersiblemotorThesimulationmodelbasedonⅨ一8twophasestaticcoordinateisconstructedbasedofinductionmotortheoryThemodelarem

6、ulti—variable，nonlinearandclosecouplingsuitablefortransientanalysisInaccordancewithclosecoupingbetweenstatorandrotor，thispapersubmitsanewdatasupplyinterfacemodelOnbaseoftheseresearches，asimulationmodelisestablishedusingS

7、OftwarepackageMATLAB／SIMULINKTheelectromagnetictransientandtheoil—pipes’motioneluwearealsogivenThesimulationsrevealthattheoilpipesgointoperiodicvibration，evenifunderstabileloadKeywords：ESP，oilpipes，simulation，torsionalvi