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367Vol.36No.720147HuadianTechnologyJul.2014380V273522380V。380V。TM572.2B1674-1951201407-0055-022013-08-122014-04-2312009400m4×2.5mm2220V380V。380VKM420VKM190V。22。E。。331DCSH2HATA3DL。1。1DL12DL。A1UA1、C1UC1220VA2UA2520VA1A2DLUA1-A2610V380VA3A5KM420VKM190V。11DL2、、3。1。1UA2UA2/VKMDL6805105105101UA2520V680V。。·56·3641。DL4×2.5mm21000V400m。0.3μF/kmDL-j26.5kΩ。2。、。CJX8-9380VKM190V1.625kΩj2.8kΩj28.0kΩ。3DL。A1A2DLUA1-A2610V190V。2。2。380V100m。21。1、。250%。2。。5380V、150m21000V3220V110V380V。1974—E-mail13355112901@163.com。1978—欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍。1.。2.、。3.。1、。2.dxf.dwg.eps。37cm16cm。4。。5、600。6。。4.Email。7Abstracts·79·AbstractAimingatthefalsetripaccidentofthe10kVlinepro-tectioninan110kVintelligentsubstationtheprotectiondevicesandthesecondarycircuitwereinspectedandthesiterecordfileswereanalyzed.ItwasdeterminedthatthereasonofthefalsetripaccidentisabnormityoftheACcurrentsamplingoftheprotectionandthereasonoftheabnormalACcurrentsamplingisloosenessoftheACplug-incomponentswhichcausesfloatingvoltageincircuit.Atlasttherelevantpreventivemeasureswereproposed.KeywordsintelligentsubstationlineprotectionfalsetripACcurrentsamplingplug-incomponentfloatingvoltage2014-07-42Analysisonreasonsofhighersec-ondarystagerotordisctemperatureofM701FgasturbineandtreatmentmeasuresZHANGJunGuangdongHuizhouLNGPowerPlantHuizhou516082ChinaAbstractThestructureandtheworkingprincipleofM701Fgasturbinewereintroduced.Thereasonsofhighersecondarystagerotordisktemperatureanditsinfluenceontheunitwereana-lyzed.Accordingtoexistedoverhaulexperiencesrelevanttreat-mentmeasuresandimprovementsuggestionswereputforward.KeywordssealringhousingrotordisktemperatureDCTairandsmokecoolingsystemtemperature2014-07-44Remodelingofcondenserof330MWunitandenergy-savingeffectanalysisPANGuangqiangZHENGXiaohongHuadianInternationalShiliquanPowerPlantZaozhuang277103ChinaAbstractInHuadianInternationalShiliquanPowerPlantthecopperpipeofthecondenserleakedfrequentlyandthecon-denserbackpressurewasincreased.Aimingataboveproblemsaccordingtothecomparisonthereformationschemeoftubebundledisplacementwasselected.ThefeaturesoftheTepeetubebankandtheconcretereformationitemswereintroduced.Thecontrasttestoftheperformancesbeforeandafterreformationshowsthattheproblemsoflargercondensatehardnessandhighercondenserbackpressureweresolvedeffectively.Afterthecon-denserhadbeenremodeledobviouseconomicbenefitwasob-tainedtheinvestmentpayoffperiodisonly1.79yearsandthereliabilityoftheequipmentoperationwasimprovedgreatly.Keywordscondenserleakagestainlesssteelpipeenergy-savingreformation2014-07-47Discussionoftechnologyof“mer-gingthreetowersintoone”usedin660MWcoal-firedpowerplantTIANZhiyePlanningandDesignInstituteofForestProductsIn-dustryStateForestryAdministrationBeijing100010ChinaAbstractThedifferencesbetweentheconventionalcoalfiredpowerplantsandthepowerplantsinwhichthetechnology“mergingthreetowersintoone”wasadoptedwereanalyzd.Thefeaturesofthepowerplantsinwhichthetechnology“mer-gingthreetowersintoone”wasadoptedweresummarized.Combiningwithengineeringpracticesomedesignrequirementsofthepowerplantsinwhichthetechnology“mergingthreetow-ersintoone”wasadoptedandproblemsneedingattentionwereputforward.Keywordsmergingthreetowersintoonewetdesulphurizationindirectaircoolingtower2014-07-49Optimizedconfigurationofreac-tivecompensationcapacityofwharfcoalconveyingsystemandimplementeffectsLIQingchangHuadianLaizhouPowerGenerationCompanyLimitedLaizhou261441ChinaAbstractTheworkingconditionofthewharfcoalconveyingbeltsystemandtheoperationstatusoftheexistingreactivecompen-sationdevicewereintroduced.Theseveralfactorsleadingtolowerpowerfactorwereanalyzed.Itwaspointedoutthatthehigherorloweractiveloadandreactiveloadandthedifferencesofthemotorcharacteristicscaninfluenceonthepowerfactorofthesystemdirectly.Basedonthisdependingonthedeepcal-culationanoptimalconfigurationschemeofthereactivecom-pensationwasproposed.Aftertheschemehadbeenimplemen-tedbetterresultswereobtained.Keywordswharfcoalconveyingsystemreactivecompensationcapacitypowerfactoroptimizedconfigurationimprovementschemeimplementeffect2014-07-52ControltechnologyandapplicationofemergencypowersupplyMAHongtaoChinaHuadianEngineeringCorporationLimitedBeijing100160ChinaAbstractTheoriginalcontroltechnicalschemeofemergencypowersupplysystemforHubeiHuadianXisaishanElectricityGeneratingCorporationLimitedwereintroducedencounteredproblemduringimplementingprocessoftheoriginalschemewerediscussedreasonthatcontrolfunctionofemergencypowersup-plysystemcannotbeputintouseandputforwardnewschemeforcontrolofemergencypowersupplysystemwereanalyzed.Af-terimplementationofthenewschemepreferableresulthasbeenachieved.Keywordsthermalpowerplantalternatingcurrentemergencypowersupplycontroltechnology2014-07-55Analysisonexampleof380VACcontactorunabletoresetLINXiguoYANGQianHuadianInternationalZouxianPow-erPlantZoucheng273522ChinaAbstractDuetoloopresonancea380VACcontactorisuna-bletoresetnormally.Theabnormalphenomenonwasanalyzedbynumericalcalculation.Theanalysisresultshowsthatthemainreasonoftheproblemistheinfluenceofthedistr
本文标题:380V交流接触器不能复归的实例分析
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