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简介：IncessantpromotionofpowerefficiencySincelong,powerindustrialenergy-savingspecifications,standardsandmanagementsystemshasbeensystematicallyestablishedpursuanttostatelaws,regulationsandpolicies,andbeensteadilyimprovedthroughoptimization,structureupgrading,andtechnicalretrofitting.Theratioofprimaryenergytransformedintoelectricenergy,theratioofelectricenergyconsumedbyendusersandtheimportantpowertechnicalandeconomicindexeswhichweighnationaleconomicdevelopmentlevel,economicefficiency,energyutilizationef-

简介：InviewofthechallengingproblemselectricalengineersarefacingtheEighthFive-yearPlanofthePeople’sRepublicofChinaandtheinterestshownbyscientistsandscholarsattendingthePSTC-89meeting(seespecialreportinthisissue),theChineseSocietyofElectricalEngineering(CSEE)innegotiatingtoorganizeaninternationalconferenceonpowersystemtechnology.Theprovisionalmaintopicsanddatesarestatedbelow:

简介：本文提出了一种以6脉冲可控硅变流器为基础的新的脉冲倍增技术。利用这种新推荐的技术，在输入电流和输出电压这两方面都已获得了12脉冲，18脉冲以及24脉冲运行。提供了一种在整个相角范围内的控制策略以及先进的输入电流和输出电压分析。从实验室原型得到的实验结果，证实了所提出的理论。

简介：基于二维有限元法,分别对磁通切换双凸极电动机（FSPM）的静态场和瞬态场进行了有限元计算,着重探讨了6/7极FSPM结构及特性,并与6/5极FSPM进行对比研究。研究结果表明,6/7极FSPM比6/5极具有更小的齿槽转矩,磁链和反电势波形具有更好的正弦性。