8K電力機車輔電源能流循環(huán)試驗臺變流系統(tǒng)研究.pdf

1、北京交通大學(xué)碩士學(xué)位論文8K電力機車輔電源能流循環(huán)試驗臺變流系統(tǒng)研究姓名：王磊申請學(xué)位級別：碩士專業(yè)：電力電子與電力傳動指導(dǎo)教師：鄭瓊林黃先進20071201北京交邋大學(xué)碩士學(xué)位論文ABSTRACTABSTRACT：Theauxiliaryconvertorsystemofelectriclocomotiveisusedtoprovidepowerforthefanloadwhi磕cooldownthemaincircuitandoff

2、erwindregimefortheairbrakesystemItsworkingstatusiscriticalforthestabilityandsafeoperationofthelocomotivesWedesignanewtypeof“powerloopingtestingdevice’’fortheauxiliaryeonvertorsof8Kt躞locomotivewhich僦safeelectricpowerinaco

3、nsiderabledegreeItisfullfillthesummonofsavingellergybyourcountryItrequiresthatthetestingdevicetosimulatetheworkingstatusonlocomotiveinthelaboratoryWeimprovethesolidstatecontrollingsystemwhendesignthenewtestingdeviceandma

4、keitratherperfecttosimulatetheworkingstatusonlocomotives。WeintegratethecentmlofrectifierandinverterinoneDSP(DigitalSignalProe黜or)centrolpanel。PhasecontrolledrectifiertechniquejsadoptedtocontroltherectifierWein拄=oducetheI

5、ninciplesofPhasecontrolledrectifierbrieflycompilecorrespondingsoftwareandshowtheresultsandwaveformofourexperimentsAsforthecontroloftheinverterwesupplytwocontrolstrategiesStrategyl：Keeptheoriginalcontrolprinciplesoftheinv

6、erteranchangedTheinverteroperatesin6stepvoltagemodeandstartsnpthesameastheoriginalmodeStrategy2：AdoptSPWMstrategytoimprovetheoporatmgprinciplesoftheinverterthoroughlyThepaperillustratesthemaincircuitoftheconvertorsystemo

7、fthenewtestingdeviceWeredesignthedriveeircoitforIGBTdeviceReplacethedrivesystemcomposedby750and751boradbyanewcircuitwhichcontainsmoduleslike“functionalternativemodule“whichcangeneratedeadzoneautomaticlyandresultsshowthat

8、designofthenewdrivecircuitisin璉a嗍TheaigitalcontrolsystemforlocomotiveconvertorsopensthedoorfortheworkinthefutureTodayresearchesonauxiliaryeonvertorsofDJl一typelocomotiveisgoingonAnditwillmaket糯ofthecontrolstrategyofSPWMan

9、dVWFtotheIGBTinverter弼蠡DSPmentionedinthisthesisWhat’Smorethecontrolprojectinthisthesisalsoc衄heusedtoconvertorsystemofotherkindsoflocomotivessuchasDJ4andvehicleslikesubwaytrainsandurbanrailwaytrainsKEYWORDS：8KTypeLocomoti