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华南理工大学学报(自然科学版)第42卷
VoltageDistribution
Networb
劢口ngya喈乒n
(School
ofElectric
铂en玩n
Guangdong
Province,
Power∥KeyLaboratoryofcleanEnergyTechn0109yof
SouthChinaUniversityofTbchnology,Guangzhou510640,Guangdong,China)
Abstract:Inthis
paper,first,higIl
v01tage
dist曲utionnemorks
are
classifiedaccording
to
are
theirloadandreactiveadoptedfordifferent
as
powercharacteristics,anddifferentreactivepowercompensationconfigurationschemes
kindsofnetworks.Then,bytakingthehighVoltagedistributionnetworkswithsmaⅡhydmpower
theIesearchob—
jectiVe,a
modelofreactiVepowerplanningconsideringthecapacitiVeandinductiVeIeactiVepowercompensation
net-
con69urationsisproposed,whichmeetsthedemandsofthereactivevoltagecontrolofhighvoltagedistributionworkswitllsmallhydropower.Moreover,anindexbythe
to
n砌e
ofthereactiVepowercoIl|igu阳tion阳tioisputforward
helpselecttllereactivepowercompensationco—igurationfbrdiH’erenttypesofsubstations,aIldthepIinciplesof
aIldinductiVereactivepowercompensation
c印acitiVe
actiVeofthe
co诚gurations
are
optiIIlizedand
I曲ned
forthehighVoltagedis-
re-
tributionnetworks.Casesanalysisshowsthatt}leseprincipleshelp
to
improvetheabilityofthevoltagecontroland
p佣惯balancee印acitiVe
duringthereactivepowerconfigumtion,redueethenetw0?rk10ss.andavoidexcessiveinvestment
thereactivepower
caIl
reactivepowercompensation.Inaddition,withmehelpofthe
are
coⅢigurationratiosoffollrkinds0fhighvoltagedistributionnemorksprinciplesofthereactivepowercompensationcollfigumtionforKeywords:small
obtained,which
beused
as
detailed
hig}l
voltage
dist曲ution
networks.
hydropower;high
voltagedistributionnetwork;reactiVepowerco—igurationprinciple;capaci—
tivereactiVepowercompensationco—jguration;inductivereactivepowercompensationcordjguration
(上接第16页)
DSP+CPLD-Basedlngh-PowerEf6cieIltChargingPower
Supplyfor
DHGMi-ping
ElectricVellicles
Ck凡.s^眦昭Hezh_eng—clongzh帆g
80
(SchoolofE1ectricPower,SoutIlchinauniversityofTechnology,Gu锄gzhou
510640,Gu柚gdong,china)
Abst豫ct:When
ous
h锄onicpoUution
multiple
chargingmodules叩erateinparallel,thereexistssuchproblems
or
as
lowe伍ciency,seri—
cars
andlightloadint}lelatercharlgingstage
to
on
inthe
case
of
c
harging
electric
witllsmaller
ve—
batterycapacity.InorderhiclesisdeVelopedbased
solVethisproblem,aZVZCShigh—powercharlgingpowersupplymoduleforelectricDSP+CPLD,and
an
experiment
platfo珊with
to
an
outputpowerof288kW(600
v/
480A)isconstmcted.Then,anoVelparallelcontrolstrategyispmposedforelectricVehicleswiththeleastthethe
ensure
the
cha蟛ngcun_ent(voltage)
a
char舀ngmodules.Exp耐mental
a
resuhsshowthat,when
sin—e
modulemns,inp盯allel,
eontrol
cha晒ng
charging
powerefficiencyisupto96.5%underpowere伍ciencyalwaysmaintainsat
fuUload;andthat,whenmultiplemodules
11lns
above90.0%,whichmeansthattheproposed
p眦Uel
strategyiscon.ectandfeasible.
Keywords:high—poweremcient
charging
powersupply;electricVehicle;paraUelcontI.01
万方数据
高压配电网无功补偿配置原则的优化
作者:
作者单位:
刊名:
英文刊名:
年,卷(期):张勇军, 陈艳, Zhang Yong-jun, Chen Yan华南理工大学电力学院∥广东省绿色能源技术重点实验室,广东广州,510640华南理工大学学报(自然科学版)Journal of South China University of Technology(Natural Science Edition)2014,42(6)
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2.Jarry-Bolduc D;Cote E Hydro energy generation and instrumentation & measurement hydropower plant efficiencytesting 2014(02)
3.Borkowski D;Wegiel T Small hydropower plant with integrated turbine-generators working at variable speed 2013(02)
4.Schaeffer R;Szklo A;Frossard Pereira De Lucena A The vulnerable Amazon:the impact of climate change on theuntapped potential of hydropower systems 2013(03)
5.李世伟;葛珉昊;金俞斌 小水电集中上网对电网的影响分析 2012(08)
6.Wei Yan;Fang Liu;Chung C Y A hybrid genetic algorithm-interior point method for optimal reactive power flow2006(03)
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