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1、煤矿供电系统毕业设计论文()PowersupplydesignofminingareaFirst,theoriginaldata:1,Idadesigncapacity600thousandtons/year・2,Layoutmethodinminingarea:miningareatype,roadwayfloorrockroadway.3,minegasrating:lowgrade・4,coalseamdipangle:18degrees-32degrees/26degrees5,thedesignofcoalseam:K2=1.762・15
2、m/2・15m.Two.Designrequirements:1,thedesignshouldcomplywiththecoalminesafetyregulations,coalmineindustrialdesignregulations,coalminepowersupplydesigntechnicalregulations.2,thedesignfollowsthecoalindustryconstructionpolicy,onthebasisofensuringthesafetyofpowersupplyonthebasisofte
3、chnicalandeconomiccomparison,choosethebestprogram.3,equipmentselection,shouldusethestereotypesofcompletesetsofequipment,asfaraspossibletoadoptnewtechnologies,newproducts,andactivelytakemeasurestoreduceenergyconsumption,energyconservation.1,thedesignqualityshouldensuretheadvanc
4、edtechnology,economicrationality,safetyadaptabilityCatalogSection1Determinationoflocationofsubstationinminingarea1Apowersupplytothedemandforelectricityin1Twocostandenvironmentalrequirements1Thesecondsectiontodrawuptheprincipleofpowersupplysysteminminingarea1Highvoltagepowersup
5、plysystemofaminingareatotheprincipleof2Formulationprincipleoflowvoltagepowersupplysystemintwominingarea2Thethirdsectionmainlyminingequipmentsimiliarly3Calculationofloadinfourthminingareaanddeterminationofcapacityandnumberoftransformer3AtransformerselectionconsiderationsTwounit
6、stodeterminetheCalculationofloadinthreeminingareaanddeterminationofcapacityandnumberoftransformer4Calculationoflowvoltagepowersupplynetworkinfifthsectionminingarea5Acabletypedetermination5Twocablelengthdetermination5Threeselectfeedercable6Selectionoffourtrunkcable11Selectionof
7、electricalequipmentinsixthsectionminingarea17Selecttheminingareaofahighvoltageswitchcabinet17Twominelowvoltageflameproofswitchtoselectthe18magneticChoosethreestarter19Theseventhsectionareaofgroundingprotectionmeasures20Eighthsectionminingarealeakageprotectionmeasures22Fireprev
8、entionmeasuresofsubstationinninthsectionminingarea23Sectionte
