简介:42-voltarchitectureonpowdermetallurgy-opportunities;AdesignmethodforsuperconductingMPdmagnetswithferromagneticmaterial;Afar-fieldapproximationforthefast-multipolemethodappliedtothecombinedfieldintegralequation;AflexibleandlowcostdesignforflybackAC/DCconverterwithharmoniccurrentcorrection;AgeneralizedEpsteintestmethodforthecomputationofcorelossesininductionmotors;ALearningObjectsApproachtoTeachingProgramming;
简介:(Ni,Fe,Co)-basednanocrystallinesoftmagnetswithnear-zeromagnetostriction;AccountingforResistivityandPermittivityinHighFrequencyPermeabilityMeasurements.ApplicationtoMnZnFerrites.;Biaxialmagnetometersensor;Biaxialmagnetometricsensor;DevelopmentofhighmagneticperformanceP/Msoftmagneticmaterial;FlexibleMagnetics:MagneticLithographyandFabricationofMagneticMasksonThinPlasticSubstrates;FormationandsoftmagneticpropertiesofFe-B-Si-Zrbulkglassyalloyswithhighsaturationmagnetizationabove1.5T;
简介:IdentifyingthePreisachfunctionforsoftmagneticmaterials,Influenceofgeometricalparametersofalayeredpowdercompositeonitsmagneticproperties,MagneticLithographyUsingFlexibleMagneticMasks:ApplicationstoServowriting,MultilayeredFeCo/FeCo-Osoftmagneticfilmsforrecordingapplications
简介:AWaveAbsorberforDSRCUsingResistiveFilmandMagneticMaterial,Activecurrenttransformercircuitsforsensingcurrentswithinmulti-kilowattpowerconvertersequippedwithactivepowerfactorcorrection,AnapplicationofSchur'slemmatoelasticdielectrics,Analysesandpreliminarytestsofabalsasandwichcorewithimprovedshearproperties,Behaviorofair-oxidationofthenucleargrade2-dimentionalcarbonfiberreinforcedcarboncomposite-ontheinterlayershearstrength,BoardLevelReliabilityEvaluationofRFPAModuleVias,Carbonfoam:anext-generationstructuralmaterial。
简介:Amagneto-hydrodynamicmicrofluidicnetwork,AmegahertzswitchingDC/DCconverterusingFeBNthinfilminductor,AMethodforOptimisingtheWeightandResponseofBrush-TypeWound-FieldDirectCurrentMotors,AnovelaccuratePEEC-based3DmodelingtechniqueforRFdevicesofarbitraryconductor-magnetstructure
简介:摘要阐述了西门子THYRIPOL励磁系统正常停机及事故停机时灭磁回路工作原理及特点。对比了直流灭磁及逆变灭磁的利弊。分析了灭磁回路故障及灭磁可控硅V3脉冲变压器原边输入源改变后带来的安全隐患。并给出了THYRIPOL励磁系统灭磁回路日常维护和灭磁脉冲逻辑修改时的几点建议。
简介:摘 要:本文主要介绍了某电厂1000MW发电机组ABB UN5000励磁系统的灭磁原理及转子过压保护的实现,跨接器在实现移能灭磁和转子过电压保护中发挥着决定性的作用,对其工作原理及动作流程的掌握,有助于在正常运行中发生设备异常情况时能够准确的进行故障分析和定位。