电机与电力电子分会场并网变流器系统非线性特性的建模应用_第1页
电机与电力电子分会场并网变流器系统非线性特性的建模应用_第2页
电机与电力电子分会场并网变流器系统非线性特性的建模应用_第3页
电机与电力电子分会场并网变流器系统非线性特性的建模应用_第4页
电机与电力电子分会场并网变流器系统非线性特性的建模应用_第5页
已阅读5页,还剩32页未读 继续免费阅读

下载本文档

版权说明:本文档由用户提供并上传,收益归属内容提供方,若内容存在侵权,请进行举报或认领

文档简介

并网变流器系统非线性特性的建模与应 博大:12教育经历2010/1 2006/9-2008/6, 技大学 技大学,学工作经历2015/11-至今 大学,电 2013/8– 大学,电 ,讲2013/2 理工大学,电子资讯与工程系,助理研究 ,设计工程学 中国电源学会青年工 常务委ESREF2018,ProgramGuestAssociateEditor,IEEEJournalofEmergingandSelectedTopicsinPowerElectronicsIEEEECCEAsia2016Session3

余篇(一作/通讯 2015年IEEETransactionson 最

[1]X.Zha,S.Liao,M.Huang*andJ.Sun,“Dynamicaggregationmodelingofgrid-connectedinvertersusingHamilton's-action-basedcoherentequivalence,”IEEETransactionsonIndustrialElectronics,accepted.(SCIQ1)2Y.Liu,M.Huang*,X.ZhaandH.H.C.Iu,“Short-circuitcurrentestimationofmodularmultilevelconverterusingdiscrete-timemodeling,”IEEETransactionsonPowerElectronics(Letterpublication),vol.34,no.1,pp.40-45,Jan.2019.(SCIQ1)3M.Huang,H.Ji,L.Wei,J.SunandX.Zha,"Bifurcationbasedstabilityysisofphotovoltaic-batteryhybridpowersystem,"IEEEJournalofEmergingandSelectedTopicsinPowerElectronics,vol.5,no.3,pp.1055-1067,2017.(SCIQ2)4M.Huang,Y.Peng,C.K.Tse,Y.LiuandX.Zha,“Bifurcationandlargesignalstabilityysisofthree-phasevoltage-sourceconvertersundergridvoltagedips,”IEEEonPowerElectronics,vol.32,no.11,pp.8868-8879,2017.(SCI5Y.Liu,M.Huang*,H.Wang,X.Zha,J.GongandJ.Sun,“Reliability-orientedoptimizationofthelcfilterdesignofabuckdc-dcconverter,”IEEETransactionsonPowerElectronics,vol.32,no.8,pp.6323-6337,2017.(SCIQ1)4ResearchDiscrete-timeModelingofLarge-signalModelingofAggregatingModelingofVSCModelingofPLLinGrid-connected5ResearchAshifttothepowerelectronicsbasedpower

6ResearchLowfrequencyoscillationinpowerelectronicsbasedpowercontinuesto

needingtowithstanddisturbancesis 7ResearchComplexoperationofGrid-connectedConvertersundergrid

SafetyoperationofGridGridGrid8ResearchLinearizedsmall- Fortheoperationaroundsomefixedpoints,the ysismethodofeigenvaluesortheNyquistcriterioncanbeappliedtothegrid-connectedconvertersystem.TheImpedance-BasedStabilityCriterion(IBSC)isprovedtobeaneffective tooleveninaACpowersystem… ……9ResearchMulti-timescalecharacteristicsofpowerelectronicsbasedfaultlevelsvoltagesupportDiscrete-timemodelingofACshort-circuitO O

——Discrete-timemodelingofNearestLevelModulationandstate T T

x[i, 状

Input

v[vcp,vcn,vdc

xf(x,x=Axxf(x,x=Axδδδδδδδδ

2Rload 0Ⅰ0 Ⅰ0 t2 ⅣⅥⅤ d2Tsd3Ts d6Tsd7TsⅦⅢⅧⅡAt

0

LL0 N LLL0

Bm

N 1 2L 0Discrete-timemodelingof x(tnd1Ts)(d1Ts)x(tn)1(d1Ts)Vx(tnd1Tsd2Ts)(d2Ts)x(tnd1Ts)2(d2Ts)V x(tndrTs)(d8Ts)x(tndrTs)8(d8Ts)Vr rintervalsarevaryingduetoNLM):(drTs)x(tn)r(drTs)Vmx(t dT)m

r

[(dT)]x(t) (dT)](dT)}V(dT)V1mr

rr

r jj1rj

mx

tDiscrete-timemodelingofShort-circuitcurrent Ovg—

C

(dT)V1m jm

ms (dT (dT rs rs j1rj1newcycleaftershortcircuit 0t2 Theshort-circuitcurrentcanbeestimatedaccordingtodifferentfaultDiscrete-timemodelingof0---

0---0

(a) (b)Peakshort-Peakshort-circuit151001015

Peakshort-circuit0.020.040.06 0.120.140.16Peakshort-circuit[1]Y.Liu,M.Huang*,X.ZhaandH.H.C.Iu,“Short-circuitcurrentestimationofmodularmultilevelconverterusingdiscrete-timeLarge-signalModelingofUnstableoperationofvoltagesourceconverterundergridvoltageiiiiLRLRSvS SLCLiS SvSUtilityvdc(V)vdc(V)idc(A)idc(A)vpccavpcca(V)/iga(A)0 50%ACgridvoltage

040 55%ACgridvoltageLarge-signalModelingofModelingforthemixedpotentialiiiiLRLRSvSSLCRLvSiS SUtility++++-+-+-

ControlledcurrentsourceforthedcLarge-signalModelingofModelingforthemixedpotentialMixedMixedpotentialP(i,v)vdimn=(vgdvkd)igdiodv0UnifiedP(i,v)A(i)B(v)(i,v)(RR2s 2+L2A(i)

=(L

Rs A L

LL

=C12B(v)C23i( gkk R gRi2

B(v)

ipvp g

sgd

L

gkk R gR

=

ipvp g

s

Large-signalModelingofModelingforthemixedpotential [LLgkk R LgR RsRg

ipvp g

s gL g

3 (RR 2 gd Large-signalModelingofDesign-oriented

K

Kip

K

1500

x10-

K

C=1mF

C=2mF

Kip

KipKip

x10-

RDesign-orientedboundariesforlarge-signal[2]M.Huang,Y.Peng,C.K.Tse,Y.Liu,J.SunandX.Zha,“Bifurcationandlarge-signalstability ysisofthree-phasevoltagesourceconverterundergridvoltagedips,”IEEETransactionsonPowerElectronics,vol.32,no.11,pp.8868–8879,2017.AggregatingModelingofVSCWindthediversityofthegrid-connectedinvertersshouldbetheinertiaofthemisrelativelysmallcomparedwiththatofVSG-basedAggregatingModelingofVSCHamiltonmodelingofgrid-connectedTheHamilton'sactiondepictedasSisthetimeintegralofLagrangianfunctionSLadt(TVForinverters,Tismagneticfieldenergy,andViselectricfieldenergy.TheexplicitexpressionsofTandVareTL(q2q2q2)/ CVCU2/2q2/CThus,thecriterionofcoherentinverterscanbesummarizedas:iftheratioofvariationofthegeneralizedHamilton'sactionfromtwoinvertersisaconstantvalue,duringacertaintimeafterdisturbance,thesetwoinverterscanberegardedascoherent.AggregatingModelingofVSCumdeviationoftwoindexesbetweeneachtwoinverters.(a)Line(b)GeneralizedHamilton’sAggregatingModelingofVSCasymmetricfault.(a)Activepower.(b)Reactivepower.(c)D-axiscurrent.(d)Q-axis[3]X.Zha,S.Liao,M.Huang*andJ.Sun,“Dynamicaggregationmodelingofgrid-connectedinvertersusingHamilton's-action-basedcoherentequivalence,”IEEETransactionsonIndustrialElectronics,Accepted.NonlinearityofPhase-LockedLoopGridfaultsandPLL NonlinearityofPhase-LockedLoopNonlinearAssumethat:1/KpKi/kThislinearizationmethoddoesnotcorrectlydescribetheThislinearizationmethoddoesnotcorrectlydescribethe /2

NonlinearityofPhase-LockedLoopNon-dealgridwithVPCCVgIZ

)[Vsin( )

i

1Kp1KpKiVgsin(1/KpKi/Vgsin(1/KpKi/pllNonlinearityofPhase-LockedLoopCalculation&Kp/ 50- -

Simulation.Outputfrequency.NonlinearityofPhase-LockedLoopCalculation&mKp/ Phaseportrait.Critical

Simulation.Outputfrequency.Critical ThesystemwillpasstheUEPduetothehigherovershoot.ModelingforMultipleThedynamicsofmulti

PCC

ⅠⅡwithacurrentsource

V

I

VpI

ModelingforMultipleThedynamicsofmulti

VpV

I1ZS

()IZ) double-PLLcoupling

P1VV

g

I

e

IZ

1/

)I2Zm() V

I2I2V

sin

)I

II

) adualPLL

pll )I21/)I21/PI2

2I2Vp1qVgsin(I2

s

) 11

温馨提示

  • 1. 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。图纸软件为CAD,CAXA,PROE,UG,SolidWorks等.压缩文件请下载最新的WinRAR软件解压。
  • 2. 本站的文档不包含任何第三方提供的附件图纸等,如果需要附件,请联系上传者。文件的所有权益归上传用户所有。
  • 3. 本站RAR压缩包中若带图纸,网页内容里面会有图纸预览,若没有图纸预览就没有图纸。
  • 4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
  • 5. 人人文库网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对用户上传分享的文档内容本身不做任何修改或编辑,并不能对任何下载内容负责。
  • 6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
  • 7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。

评论

0/150

提交评论