井下高压电网防越级跳闸研究（study on anti skip trip of underground high voltage power grid）

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1、井下高压电网防越级跳闸研究（Studyonantiskiptripofundergroundhighvoltagepowergrid）4.4systemmanagementmoduleThesystemmanagementmoduleisanecessarypartofthesoftware.ModifyingusersInthissection,theloggedinusercanmodifyhisorherpermission.userLevelsincludeadministrators,su

2、perusers,andaverageusers.3userscanTheoperationmoduleisdifferent,inwhichthesuperusercanimplementallmodulesOperate.Duringtheoperationofthecomputer,hardwarefailuresareinevitableSoftwareandapplicationsoftwareerrorscausecomputerparalysisorsoftapplicationsTh

3、eapplicationcannotbeused,sothebackupandrecoveryofthedatabaseisobviousOfparticularimportance.BackupfilesarealsoveryimportantinfuturequeriesImportant.5ConclusionThesoftwareforsettingcalculationofrelayprotectionincoalminepowernetworkisintroducedinthispape

4、rVisualtechnologyandobjectorientedprogrammingareusedinthedevelopmentprocessMethodisagoodman-machineinterface,specificallyforcoalenterprisesAcomputerprogramsystemforsettingupcalculations.ThissoftwareThepopularizationandapplicationcanbeusedasacalculating

5、toolforrelayprotectionofhighvoltagepowergridinCoalMineEnterprisesWorkandprovideamoderntoolfordatainformationmanagementCoalmineelectricaltechnicianfromheavyfaultcalculationandsettingcalculationReleasefromtheworkandavoidsettinguptherelayprotectionoftheel

6、ectricalequipmentTheskiptripaccidentcausedbyimpropervalue,thusimprovingtherelayTheoperationmanagementleveloftheprotectionsystemensuresthefailurecalculationvalueandprotectionTheaccuracyofthesettingvalueandthesafeandstableoperationofthehighvoltagepowergr

7、idinthecoalmineLinehasveryimportantpracticalsignificanceandhasverygoodpromotionUsevalue.Reference:[1]LvXiangyang.Developmentofrelayprotectionsettingcalculationsoftwareforcoalminehighvoltagepowergrid[J].coaltechnology,2006,25(10):24-25.[2]GuYonghui.Elec

8、trotechnicalManualofcoalmines.Secondfascicle[M].Beijing:CoalIndustryPress,1998.The[3].VisualBisicdatabasedevelopmenthighChunyankeytechnologyandApplication[M].Beijing:People'sPostsandTelecommunicationsPress,2004.[4]LiShuwei.Minepowersupp