智能低压配电系统中集中供电方案设计及仿真分析

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中图分类号：TM774 文献标志码：A 文章编号：2095-2945（2025）26-0127-04

Abstract：Inthispaper，anew powersuply schemeisproposed according tothecharacteristicsof power supplyvoltage whenthefaultstateofdistributionnetworkisdiferent.Thisshemeadoptstheideaofcentralizedpowersupply，equippedwith frontandreartwo-stagecascadedDCconvertertosolvetheproblemofsuddenvoltagedropunderphase breakfault.The speed saturationcurrenttransformerisusedasthefrontenergytakingelementandconnectedtothebackflybackconveiter.Thispaper introducesthemagneticcomponentconfigurationscheme，analyzesthedesignschemeofthespeedsaturationcurrenttransformer， the powerlevelcircuitparametersandthefedbackcontrolloopparametersinturn，andadoptsthesimulationanalysismethod tocarryoutthesteady-stateshutdownsimulationandtransientsimulation.Thesimulationresultsshowthatthespeedsaturation current transformercanbuferthevoltagedrop，andcancontiuetosuplypowertothedistributionnetworkunderthefault state.Itcanmeet the stableand safeoperation requirements of inteligent low-voltage power distribution system.

Keywords：low-voltage powerdistribution;centralized powersupply;designsimulation;distributionnetworkfailure;smartgrid

智能电网是当前配电网系统的主要建设方向，在智能化电气控制器的支持下，可提升配电网系统的智能性，运用智能传感器、智能断路器等多种智能化设备，实施先进的配电控制策略。（剩余4848字）