Transcript
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    Solution against Various Substation Requirementolution against Various Substation Requirement

    with as Insulation Technologies

    ith as Insulation Technologies

    (Tokyo, Japan)(Tokyo, Japan)

    CIGRE Romania, CIGRE Study CommitteeCIGRE Romania, CIGRE Study Committee B3:B3:

    SubstationsSubstations

    RomaniaRomania

    April, 2008April, 2008

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    1. Solution for Substation Application1. Solution for Substation Application

    2. Solution for Substation in Urban Area2. Solution for Substation in Urban Area

    3. Substation Refurbishment3. Substation Refurbishment

    4. Latest Achievement4. Latest Achievement

    CONTENTSCONTENTS

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    1. Solution for Substation Application1. Solution for Substation Application

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    1)Economical1)Economical

    Expensive LandExpensive Land

    2)Physical2)Physical

    (Geographical)(Geographical)

    Congested AreaCongested Area

    Mountain AreaMountain Area

    Coastal / RiversideCoastal / Riverside

    MuddyMuddy

    1.Combine with1.Combine with

    building, parking,building, parking,public spaces etcpublic spaces etc

    2.Combine with2.Combine with

    TransmissionTransmission

    TowerTower

    1)Mobile1)Mobile

    2)Combine2)Combine

    Substation Space

    a) No Space

    Available

    b) Limited Space

    c) Enough Space

    Available

    Requirement

    a) New

    b) Refurbish/Replace

    c) Extension/Uprating

    Solution for Substation ApplicationSolution for Substation Application

    1.Digging2.In/On/Under

    Building

    3.Reclamation

    4.Floating

    1)Gas Insulated1)Gas Insulated

    2)Air Insulated2)Air Insulated

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    1)Indoor1)Indoor

    2)Outdoor2)Outdoor

    Surroundings

    a) Climate

    Dry / Wet (Humid)

    Polluted / Coastalb) Ambient Temperature

    Nominal

    Extremely Hot (i.e > 40deg)

    Extremely Cold (i.e

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    Substation in Urban Area

    1)Economical1)EconomicalExpensive LandExpensive Land

    2)Physical2)Physical

    (Geographical)(Geographical)

    Congested AreaCongested Area

    Mountain AreaMountain AreaCoastal / RiversideCoastal / Riverside

    MuddyMuddy

    1)Mobile1)Mobile

    2)Combine2)Combine

    1.Digging

    2.In/On/Under

    Building3.Reclaiming

    4.Floating

    1)Gas Insulated1)Gas Insulated

    2)Air Insulated2)Air Insulated

    1)Indoor1)Indoor

    2)Outdoor2)Outdoor

    1.Combine with1.Combine with

    building, parking,building, parking,

    public spaces etcpublic spaces etc

    2.Combine with2.Combine withTransmission TowerTransmission Tower

    Mobile SS (PreMobile SS (Pre-- Fabricated)Fabricated)On TrailerOn Trailer

    On Ship / VergeOn Ship / Verge

    On Rig (i.e. oil / naturalOn Rig (i.e. oil / natural

    gas plant on the sea)gas plant on the sea)

    Compact SSCompact SS

    Underground SSUnderground SS

    Complex Building SSComplex Building SS

    SS under TransmissionSS under Transmission

    TowerTower

    Indoor AIS SSIndoor AIS SS

    Outdoor AIS SSOutdoor AIS SS

    Indoor GIS SSIndoor GIS SS

    Outdoor GIS SSOutdoor GIS SS

    Solution for Substation ApplicationSolution for Substation Application

    Hybrid SSHybrid SS

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    Type of Switchgears (AIS / Hybrid / GIS) ~ 1Type of Switchgears (AIS / Hybrid / GIS) ~ 1

    Conventional AISConventional AIS Hybrid GISHybrid GIS GISGISIn airIn air In airIn air In SF6 gasIn SF6 gasMain BusMain Bus

    DistributedDistributed Highly integratedHighly integratedArrangement ofArrangement of

    EquipmentEquipment

    ExposedExposed Fully enclosedFully enclosed

    Exposure of LiveExposure of Live

    PartsParts

    LargeLarge SmallSmallOverall Land AreaOverall Land Area

    Less than GISLess than GIS --Equipment CostEquipment Cost

    Outline of mainOutline of main

    componentcomponent

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    Type of Switchgears (AIS / Hybrid / GIS) ~ 2Type of Switchgears (AIS / Hybrid / GIS) ~ 2

    Conventional AISConventional AIS

    Hybrid GISHybrid GIS

    Full GISFull GIS

    Area (mArea (m22))

    AISAIS HH--GISGIS GISGIS

    5,6965,696

    (100%)(100%)3,7763,776

    (66%)(66%)882882

    (15%)(15%)

    Volume (mVolume (m22))227,840227,840

    (100%)(100%)151,040151,040

    (66%)(66%)12,34812,348

    (5%)(5%)

    (550kV SS, 1(550kV SS, 1--1/2CB system)1/2CB system)

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    GISAIS

    Live

    Livetank

    Dead

    tank

    GCB +

    Physical Integration

    GCB+DS/ES GCB+DS/ES+BusAir insulation

    Scope of SF6 Gas Insulation

    Hybrid Switchgear

    OCBABB

    Hybrid Breaker Technical ClassificationHybrid BreakerHybrid BreakerTechnical ClassificationTechnical Classification

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    400kV Hybrid GIS (60Hz)400kV Hybrid GIS (60Hz)

    CustomerCustomer

    CountryCountry

    Installed atInstalled at

    Installed inInstalled in

    : SEC: SEC--ERBERB

    : Saudi Arabia: Saudi Arabia

    :: HawiyahHawiyah SSSS

    : 2001: 2001

    Rated VoltageRated Voltage

    Rated CurrentRated Current

    Rated Breaking CurrentRated Breaking Current

    : 380kV: 380kV

    : 3150A: 3150A

    : 50kA: 50kA

    ESES

    GCB DSDSBgBg

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    2.Solution for Substation in Urban Area2.Solution for Substation in Urban Area

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    Solution for Substation in Urban AreaSolution for Substation in Urban Area

    Space LimitationSpace Limitation

    --

    under building, parking, public spaces, etc.under building, parking, public spaces, etc.

    SafetySafety-- NonNon--flammability and nonflammability and non--explosive featuresexplosive features

    Environmental ConformityEnvironmental Conformity-- OilOil--free & lessfree & less--pollution, minimum visual impact, Lowpollution, minimum visual impact, Low--noise, etc.noise, etc.

    Economical SolutionEconomical Solution-- Less construction costs, less maintenance & operation costs, etLess construction costs, less maintenance & operation costs, etc.c.

    Requirement for Substation in Urban Area

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    Underground SubstationUnderground Substation-- Substation under office building, historical architects in theSubstation under office building, historical architects in the limited spacelimited space

    Compact Substation with GIS and GITCompact Substation with GIS and GIT--Compact and nonCompact and non--flammable substation with GIS and GITflammable substation with GIS and GIT

    (Gas Insulated Transformers)(Gas Insulated Transformers)

    Environmental Consideration TechnologyEnvironmental Consideration Technology-- Minimum visual impact, LowMinimum visual impact, Low--noise, etc.noise, etc.

    ToshibaToshibas Solution for Substation in Urban Areas Solution for Substation in Urban Area

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    Compact Substation with GIS & GITCompact Substation with GIS & GIT

    150MVA150MVA--275kV275kV

    Shunt ReactorShunt Reactor

    300MVA300MVA--275kV GIT275kV GIT GISGIS

    GITGIT

    GIBGIB

    Underground SubstationUnderground Substation

    GIS RoomGIS Room

    TransformerTransformer

    RoomRoomOil TransformerOil Transformer

    ConservatorConservator

    PressurePressure

    ReliefRelief

    DeviceDevice

    Oil PitOil Pit

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    20MVA20MVA--66kV GIT66kV GIT

    entilation duct

    Low pressure, Indoor type,

    Direct GIS connection

    MODEL OF GIS & GIT SUBSTATIONMODEL OF GIS & GIT SUBSTATION

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    OIT(Oil Immersed

    Transformer)GIT(Gas Insulated

    Transformer)

    COMPARISON BETWEEN OIT AND GITCOMPARISON BETWEEN OIT AND GIT

    Construction of OIT and GIT

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    COMPARISON BETWEEN OIT AND GIT SUBSTATIONCOMPARISON BETWEEN OIT AND GIT SUBSTATION

    Fire fighting and alarm systemSubstation with GIS and OIT

    High Ceiling

    Gravel Filling / Oil Catch Pit

    Underground Oil Storage Tank

    Underground Water Tank

    Fire Wall

    Substation with GIT and GIT

    REDUCTION OF

    TOTAL VOLUME

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    0

    20

    40

    60

    80

    100

    0 0.2 0.4 0.6 0.8 1

    Faul t Time [sec]

    PressureRise[%]

    Tank Strength

    Oil-Immersed Transformer

    Gas Insulated Transformer

    Safety ~ NonSafety ~ Non--Flammable & ExplosivenessFlammable & Explosiveness

    SF6 GasSF6 Gas Slow Pressure RiseSlow Pressure Rise NonNon--ExplosivenessExplosiveness

    Non Flammable GasNon Flammable Gas NonNon--FlammableFlammable

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    275kV Underground Substation under Temple275kV Underground Substation under Temple

    275/66kV GIS275/66kV GIS TransformersTransformers

    Buddhist TempleBuddhist Temple

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    275kV Underground Substation under275kV Underground Substation under OffceOffce BuildingBuilding

    300MVA300MVA--275kV275kV

    Gas Insulated Transformer (GIT)Gas Insulated Transformer (GIT)

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    500kV Underground Substation in Central Tokyo500kV Underground Substation in Central Tokyo

    Office buildingOffice building

    Underground SubstationUnderground Substation

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    3. Substation Refurbishment3. Substation Refurbishment

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    Old AIS Installation AreaOld AIS Installation Area

    (400/220kV)(400/220kV)After Installation of GISAfter Installation of GIS

    (400/220kV)(400/220kV)

    AISAIS37,000m37,000m22

    (100%)(100%)

    GISGIS15,000m15,000m22

    (40%)(40%)

    Substation Replacement in RomaniaSubstation Replacement in Romania

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    Old AISOld AIS

    ExposureExposure of l ive partsof l ive parts

    LiveLive tank enclosurestank enclosures

    GISGIS

    No exposureNo exposure of l ive partsof live parts

    DeadDead tank enclosurestank enclosures

    Substation Replacement in RomaniaSubstation Replacement in Romania

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    Refurbishment from AIS SS to GIS SSRefurbishment from AIS SS to GIS SS

    Before Replacement : Air Insulated Substation (72kV)

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    Empty Space

    Refurbishment from AIS SS to GIS SSRefurbishment from AIS SS to GIS SS

    Before Replacement : Air Insulated Substation (72kV)

    Conforming to Kyoto Protocol & subsequent agreementsupported world widely regarding CO2 reduction wil l require

    environmental-friendly solution more strictly. This solution will

    contribute to fulfill such requirement even in the T&D area.

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    4. Latest Achievement4. Latest Achievement

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    Barron Gorge Hydro PSBarron Gorge Hydro PSGIT ApplicationGIT Application

    Old OITOld OIT

    New 39MVANew 39MVA--132kV GIT132kV GIT

    ReplacementReplacement

    Hydro PS in World Heritage AreaHydro PS in World Heritage Area

    Prevention from Oil Influx into RiversPrevention from Oil Influx into Rivers

    Application of GITApplication of GIT

    Barron Gorge Hydro PSBarron Gorge Hydro PS(STANWELL, Australia)(STANWELL, Australia)

    In 2005In 2005

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    Environmental Conformity of Gas Insulated TransformersEnvironmental Conformity of Gas Insulated Transformers

    (from local newspaper, in 2005)(from local newspaper, in 2005)

    Environmental conformity of Barron Hydro Power Station was improEnvironmental conformity of Barron Hydro Power Station was improvedved

    by 39MVA Gas Insulated Transformer.by 39MVA Gas Insulated Transformer.

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    Conceptual view of Haymarket 330/132kV substationConceptual view of Haymarket 330/132kV substation(at Sydney Australia by(at Sydney Australia by TransgridTransgrid ))

    World Largest GIT SubstationWorld Largest GIT Substation

    Office building is constructed above SS.

    Inlets & Outlets of Tr air cooling system are on the roof floor.

    Office building is constructed above SS.

    Inlets & Outlets of Tr air cooling system are on the roof floor.

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    Picture after completionPicture after completion

    New SubstationNew Substation

    Haymarket Substation, AustraliaHaymarket Substation, Australia

    SH k S b i A li

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    400MVA400MVA--330kV330kV

    Gas InsulatedGas Insulated

    TransformerTransformer

    (World(World

    s Largest GIT)s Largest GIT)

    Customer :Customer : TransGridTransGrid (Australia)(Australia)

    Substation : Haymarket SSSubstation : Haymarket SS

    No. of units : 3No. of units : 3

    Year of manufacture : in 2002Year of manufacture : in 2002

    Haymarket Substation, AustraliaHaymarket Substation, Australia

    C l i S l i f V i S b iC l i S l ti f V i S b t ti

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    Conclusion ~ Solutions for Various SubstationsConclusion ~ Solutions for Various Substations

    Limited SpaceLimited Space Higher SafetyHigher Safety EnvironmentEnvironment CostCost--SavingSaving

    Solutions with Gas Insulation TechnologiesSolutions with Gas Insulation Technologies

    DemandsDemands

    Gas Insulated Transformers (GIT)Gas Insulated Transformers (GIT) Gas Insulated Switchgears (GIS)Gas Insulated Switchgears (GIS)

    Compact SolutionCompact Solution

    Substation in Urban AreaSubstation in Urban Area

    Substation RefurbishmentSubstation Refurbishment

    FailFail--Safe SolutionSafe Solution

    NonNon--flammabilityflammability

    NonNon--explosivenessexplosiveness

    Economical SolutionEconomical Solution

    Easier installationEasier installation

    Easier maintenanceEasier maintenance

    FeaturesFeatures


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