三相异步电机正反转控制电路课程设计报告

managementsystemsandmeasuresestablishedby,andanumberofpragmatic,combinedpart-timeworkforceeducationinformation,theprotectionofthedigitalcampusconstructionandsustainabledevelopment.SixBureauattachesgreatimportancetoinformationtechnologysecurity,informationtechnologysecurity,entrustXXCityCenterforeducationalinformationandequipmentdedicatedtothework.Networksecurityleadinggroupwassetup,chairedbytheEducationBureauChief,head,forXXeducationMetro-networkandinformationsecurityemergencyresponseleadership.DeputygroupleaderforXXeducationalmetropolitanareanetworkandinformationsecurityemergencyresponsecoordination,command.Theteamassistleaderanddeputyleader,responsiblefornetworkXXnetworksecurityandinformation...Team.InformationsecurityworkConferenceheldeachsemester,anddeploymentofinformationsecurityofdocumentsissuedonaregularbasis.Informationsecurityassessmentisincludedintheannualindex.Strictlyimplementtheinformationsecuritybudgettoensureinformationsecurityofinvestment.ByXX,educationinformationandequipmentCentreXXnetworknetworksecurityandinformationsecurity.Accordingtotheinformationtechnologysecurityrequirements,issuedadocumentrequiresschools(units)implement,definedtheinformationsecurityguidelines,specificworkpractices,procedures,andrequirements.Clearindustryinformationsecurityincidents(accidents)todetect,reportanddisposalprocesses.Accordingtoself-examination,theschool(units)basicestablishedhasnetworksecuritymanagementsystem;theschool(units)accordingtothisunitsactual,establishedhasunitspersonnelmanagement,informationsystemroommanagement,andequipmentmanagement,andmediamanagement,andnetworksecurityconstructionmanagement,andshippeddimensionmanagement,andserviceoutsourcing,managementsystem;developedhascomputerandthenetworkofnetworksecurityresponsibilityheldsystem,signedhasnetworksecurityresponsibility;websiteofinformationmanagementpersonnelisresponsibleforconfidentialmanagement,passwordmanagement,oncomputerenjoysindependentright,Usernameandpasswordofthecomputerforitsproprietary,andreleaseofprovisionsisprohibited,suchasleaks,investigatedforresponsibility.Accordingtowhoisinchargeofwho'sincharge,whoisrunningandwhoisresponsiblefor,whousesprinciplesofwhoisinchargeofmanagementschools(units)definedtherolesandresponsibilitiesofinformationsecurity,assuranceresponsibilitiestoschools.XXcityschools(units)totalsite20,19ofwhichwerenotclassifiedsecurityprotectionassessment,ofwhich1(XXeducationandresourcenetwork)forclassifiedsecurityprotectionlevels,withoutthird-levelinformationsystems.Totaleducationinformationsystems1(XXeducationcloudplatform),containsfeatureswithe-Government,resourcelibrary,testdatabase,mailservices,suchase-books,allintranetservices.Noforgradeprotectiongradingrecordandevaluationofschool(units),requirementstheschool(units)accordingtoinformationsecuritygradeprotectionaboutpolicyandstandard,organizationcarriedoutinformationsecuritygradeprotectionsecuritymanagementsystemconstruction,andtechnologymeasuresconstructionandgradeevaluation,implementationgradeprotectionsystemoftherequirements,makesinformationsystemsecuritymanagementlevelobviouslyfacilityupto160millionYuan,accordingtothestandard,highqualityplanningXXeducationalmetropolitanareanetworkrealizesWanZhaokuantoschools,hundredsofmegabytesofbroadbandtothetable,'wire'(ie:Web,video,audio)tothetarget,electronicwhiteboards,multimediaclassrooms,remoteinteractivevideoteachingsystemofmoderneducationalequipmentintheclassroom....WithIntelcompanyonXXEducationCitydomainnetworkoftopiccasedesign,reliesonCiscocompanythoughtShuaidchuanprojectstafffreeprovideshasthreeyearstechnologysupport,from2009began,accordingtohighstandards,andhighofworkthought,andmanpowerplanning,andpointsstepimplementation,usingschoolearthquakeHoureconstructionofopportunities,againplanningelementaryandmiddleschoolscampusnetworkandeducationcitydomainnetwork,andlocalbroadcastingnetworkcompanycooperation,usingbroadcastTVnetwork,willphysicalfiberlayingtoeachschool,tominimumofcostachievedhasphysicalfiberschoolschoolpass;Eachschoolconstructionstandardsofcampusnetworkandnetworkaccesstoallrooms;XXeducationmetropolitanareanetworkcentermachineroomequipmentintheMinistryofeducationstandardizationmanagementplatform,theCentralLibraryofaudio-visualeducationresources,setupaChineseteachereducationcloudplatform,implementedlinksthetwoplatforms.Atpresent,thecity'sprimaryandmiddleschoolstudentstocomputer3198,vitalitythan10:1;809equipmentclassesthroughtheclassroom(primaryandsecondary);36ofthecampusnetwork.Theestablishmentofanadvanced,practicalGigabiteducationalmetropolitanareanetwork,thecity'sschoolshaveaccesstoeducationalmetropolitanareanetwork,schoolshavecomputernetworks,closed-circuittelevisionnetwork,broadcastnetworksintotheclassrooms,realizethetripleplay.SchoolsshareInternetbandwidth,canmeettheneedsofteachingoftheschoolofficeandatanytime.AccordingtoMinistryofeducationonfullstartedimplementationteachingpointsdigitaleducationresourcesfullcoverprojectofnotification(taughttechnicalletter(2012)74th,)andXXProvinceDepartmentofeducationonissued