機(jī)車交流傳動(dòng)技術(shù)研究.pdf

1、大連理工大學(xué)碩士學(xué)位論文機(jī)車交流傳動(dòng)技術(shù)研究姓名：周慶強(qiáng)申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：控制工程指導(dǎo)教師：張守國(guó)20050220AbstractDCdrivewillbereplacedbyACdriveinlocomotivepropulsionWithadvancedcontrolphilosophyvectorcontrolanddirecttorquecontrol，PWM，spacevectormodulationisappliedt

2、odrivepowerelectronicdevicetealizesuperiorstaticanddynamicperformance，F(xiàn)ieldorientationandFluxobserverisdiscussedCompensationmethodforconstantV／fcontrolisproposedInfieldorientedcontrol，directfieldorientationandindirectfie

3、ldorientationareproposedIndirectfieldorientationisadoptedbecauseofgoodperformanceatlowspeedBecauseofcostandmaintenance，speedSensorlessvectorcontrolisadopted；performanceisascompetitivewithspeedsensorvectorcontrolFluxobser

4、verispresentedaccordingtovoltagemodelandcurrentmodel，andslidingmodeispresentedThecomparisonoffieldorientatedcontrolanddirecttorquecontrolisproposedNewproblemsemergeinconverterdrivesystem，suchasmotorinsulation，bearingcurr

5、entproblem，somemeasureswereadoptedtoeliminatetheinfluence，suchasincreasetheinsulationleveloftractionmotor，outputreactor，sinusoidalfilteretcCombinedwithlocomotivepropulsion，locomotiveACpropulsionsystemisresearchedsystemco

6、ntrolschematicandmaincircuitschematicarepresentedOnpropulsion，adhesioncontrolandaxleweightcompensationarepresentedLocolevelcontrolschematicanddrivelevelschematicarepresentedOnauxiliarycircuit，differentcontrolmethodsfordi