基于數(shù)字信號(hào)處理器的繼保裝置算法和人機(jī)界面研究.pdf

1、華中科技大學(xué)碩士學(xué)位論文基于數(shù)字信號(hào)處理器的繼保裝置算法和人機(jī)界面研究姓名：羅強(qiáng)申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：電力系統(tǒng)及其自動(dòng)化指導(dǎo)教師：游大海20050507IVAbstractWiththedevelopmentofmicroelectronicstechnologycomputertechnologyrelayprotectionequipmentbasedonmicrocomputerhasbeenimprovedunceasingl

2、yfromhardwaresoftware.Intheaspectofhardwareithasdevelopedinto16bit32bitdigitalsignalprocesshighlycompositiveembeddedmicroprocessfromsinglechip.Incomparisontotherapiddevelopmentofhardwarethedevelopmentofsoftwarehaslagged.

3、Soitisurgenttoconstructnewhardwareflatfmadoptmeadvancedperfectsoftwarealgithmtappingmeasuresbasedonit.Researchofthispapercanbedividedintothefollowingaspects.1.Thepaperintroducesanewtypeofprotectionhardwareflatfmbasedon32

4、bitfloatDSPanalysestheacterperfmanceofsomeparts:theceprocessCPUcomplexprogrammablelogicdeviceCPLDADswitchingcircuitmemysystemperipheralinterface.2.Thepaperanalysesactersofvarioustypicalalgithmstopickuprequisiteelectroval

5、ueofbasicfrequencyhighfrequencyfromfaultcurrentvoltagesignalssimulatescontrastsallthealgithmswithconstructedfaultwavefmrealfaultrecdingdatamakesastudyofthemeritsshtcomingsofallthealgithmsthenputsfwardanewtypeofalgithmwhi

6、chcombinesrecursiveleastsquaresalgithmallperiodFourieralgithmwithdifferentialfilter.3.ThepapermakesastudyofhowtorealizethealgithmontheDSPhardwareflatfm.Itintroducestheprogramflowtdatastefmatreadingwritingmethodindetailal

7、sopointsoutsomequestionsthatneedtobepaidattentiontointheprogramming.Indertoinsuretheprecisionofthealgithmthehitsinaperiodmustbefixedsothepaperputsfwardamethodwhichcanadjustsamplingfrequencyinrealtimeaccdingtotherealfrequ

8、encyofthepowersystem.4.ThepaperintroducestheembeddedGraphicalUserInterfacetechnologyintothedesignoftheequipment’sinterface.ItanalysesthetechnicalacterssystemstructureofembeddedGUIdiscussesthenecessaryexecutablepointstoad