采煤机毕业设计外文翻译---电牵引采煤机的开关磁阻电动机

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1、拟建中的阜阳市中国XXXX国际服装城依托中国XX国际服装城，拟建成为皖西北地区规格最高、规模最大、商务及功能最优的现代化、国际化服装专业市场，建设规模占地约128亩，建筑面积约25万平方米，项目总投资约5亿元人民币。经过1--2年的开发建设，能达到正常运营期的中国XX.XX国际服装城将吸纳全国和世界各地的经销商、代理商企业物流总部等500—1000家，预计年交易额实现68亿元人民币，每年实现税收8000—10000万元人民币，每年实现利润1.68亿元人民币，实现就业和创业人员约2万以上。英文原文SwitchedReluctanceMo

2、torsDrivefortheElectricalTractioninShearerH.ChenCollegeofInformationandElectricalEngineeringChinaUniversityofMining&Technology,Xuzhou,Chinachenhaocumt@tom.comAbstract—ThepaperpresentedthedoubleSwitchedReluctancemotorsparalleldrivesystemfortheelectricaltractioninshearer.

3、Thesystemcomponents,suchastheSwitchedReluctancemotor,themaincircuitofthepowerconverterandthecontroller,weredescribed.Thecontrolstrategiesoftheclosed-looprotorspeedcontrolwithPIalgorithmandbalancingthedistributionoftheloadswithfuzzylogicalgorithmweregiven.Thetestsresults

4、werealsopresented.ItisshownthattherelativedeviationoftheaverageDCsuppliedcurrentofthepowerconverterintheSwitchedReluctancemotor1andintheSwitchedReluctancemotor2iswithin±10%Keywords-switchedreluctance;motorcontrol;shearer;coalmine;electricaldriveI.INTRODUCTIONTheundergro

5、undsurroundingsofthecoalminesareveryexecrable.Oneside,itisthemoist,highdustandinflammablesurroundings.Ontheotherside,thespaceofroadwayislimitedsinceitisnecessarytosavetheinvestmentofexploitingcoalminessothatitisdifficulttomaintaintheequipments.Inthemoderncoalmines,theau

6、tomatizationequipmentscouldbeusedwidely.Thefaultsoftheautomatizationequipmentscouldaffecttheproductionandthebenefitofthecoalmines.Thesheareristheminingequipmentthatcoalcouldbecutfromthecoalwall.Thetraditionalshearerwasdrivenbythehydrostatictransmissionsystem.Thefaultrat

7、ioofthehydrostatictransmissionsystemishighsincethefluidinhydrostatictransmissionsystemcouldbepollutedeasily.Thefaultsofthehydrostatictransmissionsystemcouldaffecttheproductionandthebenefitofthecoalminesdirectly.Thefaultratioofthemotordrivesystemislowerthanthatofthehydro

8、statictransmissionsystem,butitisdifficulttocoolthemotordrivesystemincoalminessincethemotordrivesystemshouldbei