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system

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IT

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277

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©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.

2

FACTS)

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a.

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©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.

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©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.

4

;

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[11,15]

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412

a.

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:

©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.

5

625632

2TakeoS.DeregulationandPowerQuality.In:Proceedingof

2001NationalConventionRecordIEEJapan1Japan:2001.3223

3229

,

,

,

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,

3

4

5

(LinHaixue)1

(MainProblems

(ElectricPower

,

ofModernPowerQuality).

Technology),2001,25(10):512

(LiYuhui).1999

[20];

(Reliability

,

AnalysisofChinaDistributionNetworkin1999).

(ChinaElectricPower),2000,33(5):714

(ZhengJianchao).

b.

:

(Current

10kVA100kVA

10kVA

StatusandProspectsofPowerTechnologyatFrontier).

(ChinaElectricPower),1999,32(10):914

6HingoraniNG.IntroductionCustomPower.IEEESpectrum,

1995,32(6):4148

UPS

,

,UPS

7NaraK,MishimaY,HasegawaJ.ANewTypePowerDelivery

SystemforReliablePowerSupply

FriendsandItsOptimal

NetworkDesign1In:ProcofPOWERCON20001Australia:

20001649654

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a.

SCADA:

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,

,

(HanYingduo,YanGangui,Jiang

FACTSDFACTS

(Electric

,

Qirong,etal).

4.3

QCC

PowerinInformationSocietyandFACTS&DFACTS).

(AutomationofElectricPowerSystems),2000,24

:

UPS,

UPS

,

,

(19):17

(HeDayu).

(DevelopmentofPowerElectronicsandtheNew

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b.

:

GenerationofFACTS).

24(3):58

(TheWorldofSource),2000,

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(ChinaElectricEngineeringSociety).

(Electric

EngineeringAdvancedTechnologySeries,Vol.3:New

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,

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:

,

DevelopmentofEnergyStorage).

(Beijing:ChinaMachinePress),2001

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11KoskoB1NeuralNetworksandFuzzySystem

ADynamical

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SystemsApproachtoMachineIntelligence.EnglewoodCliffs

(NJ):Prentice2Hall,1992

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12

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(ZhangGuibin,XuZheng).

(NewDevelopmentofHVDCLight).

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(China

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14WoodlyNH,MorganRL,SundaramA.Experiencewithan

Inverter2basedDynamicVoltageRestorer.IEEETranson

PowerDelivery,1999,14(3):11811185

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(AutomationofElectricPower

,

Mincong).

intheFuture).

,

,

Systems),2002,26(1):6269

(HanAnrong).

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(GeneralPurpose

,

VariableFrequencyDriveandItsApplication).

(Beijing:ChinaMachinePress),2001

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17AmericanSuperconductor1Dramatically

Increase

Power

DeliveryDensityandReliabilityofPowerDeliveryNetworks1

1EdwardRW.PowerQuality

Issues

Standardsand

http:www.amsuper.com

continuedonpage50)

Guidelines.IEEETransonIndustryApplications,1996,32(3):

(

50

©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.

50

ANALYSISANDDISCUSSIONOFTHESENSITIVITYOF

MAINPROTECTIONSCHEMEFORGENERATORSINTHREEGORGESPOWERSTATION

Ψ

Ψ

GuiLinWangXianghengWangWeijian

Γ

TsinghuaUniversityBeijing100084China

;

Κ

Κ

Π

2

Κ

;

AbstractUsingthemultiloopmethodallkindsofslotandendfaultsofthegeneratormadebyABBinThreeGorges

Γ

Κ

2

PowerStationaresimulatedandthenthesensitivityandtypeofnonoperationfaultsofgeneralprotectionschemesare

Κ

comparedandanalyzed.Basedontheaboveresearchsomequestionsareputforwardagainstthesimulationresultsof

Κ

Κ

Κ

internalfaultsofthegeneratorinsomereferences.Bytheaboveresearchanalysiscomparisonanddiscussionitispointed

Κ

outthatthecorrectoverallandsufficientsimulationofinternalfaultsisbasictothecorrectunderstandingofthesensitivity

Κ

ofgeneralprotectionschemesandtheircombinationandthelattersimultaneouslyisbasictothedeterminationofthemain

protectionschemeofinternalfaultsforthegeneratorinThreeGorgesPowerStation.

Π

Μ

Μ

Μ

KeywordsThreeGorgesPowerStationgeneratorinternalfaultmainprotectionschemesensitivity

Μ

(

5

continuedfrompage5)

18LarssonM,KarlssonD.CoordinatedControlofCascadedTap

ChangersinRadialDistributionNetworks1In:ProcofIEEE

KTHStockholmPowerTechConf.Stockholm:19951685

691

(ElectricPowerTechnology),2001,25(3):6669

(1963),

,

,

E2mail:hminxiao@hotmail.com

19HanMinxiao,OhsawaYasuharo,YanWenli.Improvementof

Short2termVoltageStabilityUsingEnergyStorageEquipment1

(1953),

(1966),

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,

In:ProceedingofInternationalConferenceonElectrical

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,

Engineering20001Japan:2000.564567

20

,

(XiaoXiangning,XuYonghai).

(PowerQualityAnalysisandDevelopment).

;Γ

FLEXIBLEELECTRICALENERGYDELIVERYFEEDTECHNIQUE

Ψ

Ψ

HanMinxiaoXiaoXiangningXuYonghai

;

ΚΚ

NorthChinaElectricPowerUniversityBeijing102206China

Γ

AbstractFlexibleelectricalenergydeliveryFEEDΓisconsideredasthesolutiontoelectricpowersupplyofmodernIT

Π

;

Κ

society.FEEDhasthecapabilityofhigh