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1、沈阳理工大学课程设计目录1.引言21.1电力拖动简介21.2直流调速系统21.3无环流调速系统简介32.无环流可逆调速系统设计42.1系统组成42.2逻辑无环流调速系统的原理图42.3逻辑无环流系统组成及其工作原理52.4．无环流逻辑装置的设计63.系统主电路设计123.1主电路原理及说明123.2主电路参数设计124.调节器设计154.1电流调节器设计154.1.1计算调节器电阻和电容164.2转速调节器设计164.2.1确定转速调节器的时间常数174.2.2计算调节器的电阻和电容值175保护电路设计195.1过电流保护195.2过电压保护206.触发电
2、路设计236.1系统对触发器的要求236.2触发电路及其特点237.结论258.参考文献26school)],44housebuildingaswellasmorethan1000copiesofbooks,morethan10kindsofcollectionofnewspapersandmagazines,firesburntdown.In1938,theJapaneselearnedthatthenationalGovernmentestablishedinXITangTombrotten"clip"taxes,taxofficerslivein8o
3、fYanDongvillagefarmershome,troopsatnight,Yaowasburnedseveralhouses.1938newmorningofSeptember18,theJapaneseteamwenttothecountryside"sweep"fromthekaiyangvillagelinetoTungYangJiaQiaoyanTemplewallandmetYangJia溇ZhouDana(male)weeksbecauseoflong-termillnessandcan'tworkinthefields,theJapa
4、neseseehisfacefromscratchwithoutcalluses,regardhimas"Shina",thrustaknifeatthesceneofhisdeath.Thebodywasstabbed7times,wound13.Thesameday,TrangbangvillageheardtheJapanesecometo"mop-up"arehiding,motherof9ZhouGuanbaoZhangAyingtodrilla"drymound",wasdiscoveredbytheJapanese,ashotintheend
5、.Thesameday,is7zhouhaijiangzhigrandfatherZhouYingbaotoescapetheJapanesearmy,wasfoundontheroad,ashotintheend.InMarch1939,theJapanesearmyinYanTombraiding,hasarrested16people,infengqiaocigarettesthismorningbang,killing11peopleontheRiver,Eastmeetingpointinwoodqiaotuintheafternoonkilli
6、ng4peopleontheRiverside.GuTongisaJapanesegospeaktheShanghaidialect,latertobecalledGuTongas"killleft."OnJanuary18,1943,theelves,fivethousandorsixthousand,waterandlandgohandinhand"mop-up"jiaxingareawestoftherailway,YanTombareafall.March6,NiuShan(CountyGovernmentIIsectionchief)carryi
7、ngitschildNiuJun(strictTombseventhdistrictChang)andtheDistrictAssistantYuXuchu,andplayersJinFuqin,andShenBaosheng,sixpeoplereceivedWujiangundergroundCountyGovernmentnotification25沈阳理工大学课程设计1.引言1.1电力拖动简介随着科学技术的发展，人力劳动被大多数生产机械所代替。电力拖动及其自动化得到不断的发展。随着生产的发展，生产工艺对电力拖动系统的要求越来越高，尤其在其准确性、快
8、速性、经济性、先进性等方面的要求，与日俱增。因此，需要不断地改进和
