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ID:240741
大小:1.32 MB
页数:11页
时间:2017-07-13
《开关磁阻电动机驱动电牵引采煤机 毕业论文外文翻译》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、英文翻译SwitchedReluctanceMotorsDrivefortheElectricalTractioninShearerAbstract—ThepaperpresentedthedoubleSwitchedReluctancemotorsparalleldrivesystemfortheelectricaltractioninshearer.Thesystemcomponents,suchastheSwitchedReluctancemotor,themaincircuitofthepowerconverterandtheco
2、ntroller,weredescribed.Thecontrolstrategiesoftheclosed-looprotorspeedcontrolwithPIalgorithmandbalancingthedistributionoftheloadswithfuzzylogicalgorithmweregiven.Thetestsresultswerealsopresented.ItisshownthattherelativedeviationoftheaverageDCsuppliedcurrentofthepowerconver
3、terintheSwitchedReluctancemotor1andintheSwitchedReluctancemotor2iswithin±10%.Keywords-switchedreluctance;motorcontrol;shearer;coalmine;electricaldriveI.INTRODUCTIONTheundergroundsurroundingsofthecoalminesareveryexecrable.Oneside,itisthemoist,highdustandinflammablesurround
4、ings.Ontheotherside,thespaceofroadwayislimitedsinceitisnecessarytosavetheinvestmentofexploitingcoalminessothatitisdifficulttomaintaintheequipments.Inthemoderncoalmines,theautomatizationequipmentscouldbeusedwidely.Thefaultsoftheautomatizationequipmentscouldaffecttheproduct
5、ionandthebenefitofthecoalmines.Thesheareristheminingequipmentthatcoalcouldbecutfromthecoalwall.Thetraditionalshearerwasdrivenbythehydrostatictransmissionsystem.Thefaultratioofthehydrostatictransmissionsystemishighsincethefluidinhydrostatictransmissionsystemcouldbepolluted
6、easily.Thefaultsofthehydrostatictransmissionsystemcouldaffecttheproductionandthebenefitofthecoalminesdirectly.Thefaultratioofthemotordrivesystemislowerthanthatofthehydrostatictransmissionsystem,butitisdifficulttocoolthemotordrivesystemincoalminessincethemotordrivesystemsh
7、ouldbeinstalledwithintheflameproofenclosureforsafetyprotection.Themotordrivesystemisalsooneofthepivotalpartsintheautomatizationequipments.Thedevelopmentofthenoveltypesofthemotordrivesystemhadbeenattachedimportancetobythecoalmines.TheSwitchedReluctancemotordrivecouldbecome
8、themainequipmentsforadjustablespeedelectricaldrivesystemincoalmines[1],becauseithasthehighoperat
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