Benefits of HVDC for System Interconnection - Presentation - Siemens
Benefits of HVDC for System Interconnection - Presentation - Siemens
Benefits of HVDC for System Interconnection - Presentation - Siemens
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<strong>Benefits</strong> <strong>of</strong> <strong>HVDC</strong> <strong>for</strong> <strong>System</strong><strong>Interconnection</strong>Energy SectorGiacomo CordioliDietmar RetzmannKarl Uecker1 11-2008E T PS SL/Re MT/RePower Transmission Division
Development <strong>of</strong> Power <strong>System</strong>sExtensions <strong>of</strong> Interconnected <strong>System</strong>sIncreased Power Exchange among theInterconnected <strong>System</strong>sTransmission <strong>of</strong> large Power Blocks over longDistances (Hydro, Wind * and Solar Energy)Renewable Energy Resources at favorableLocations ** A big big Issue <strong>for</strong> <strong>for</strong> Grid Grid Developments – in in all all Countries3 11-2008 E T PS MT/RePower Transmission Division
High-Voltage Direct Current<strong>HVDC</strong>High-Power DCTransmission<strong>System</strong>s4 11-2008E T PS SL/Re MT/RePower Transmission Division
Advanced Power Transmission <strong>System</strong>s<strong>HVDC</strong> – High-Voltage DC Transmission: It makes P flow• <strong>HVDC</strong> “Classic” with 500 kV – up to 4,000 MW*• <strong>HVDC</strong> “Bulk” with 800 kV – <strong>for</strong> 5,000 MW* up to 7,200 MW**• <strong>HVDC</strong> PLUS (Voltage-Sourced Converter – VSC)• <strong>HVDC</strong> can be combined with FACTS• V-Control includedB2B –The Short Link800 kV <strong>for</strong> minimal LineTransmission Losses<strong>HVDC</strong>-LDT – Long-Distance TransmissionBack-to-Back StationSubmarine Cable TransmissionLong-Distance OHL TransmissionACACACACACACDC CableDC Line* LTT = Light-Triggered Thyristor – up to 4 kA ** ETT = Electrically-Triggered Thyristor – up to 4.5 kA5 11-2008 E T PS MT/RePower Transmission Division
Options <strong>of</strong> <strong>HVDC</strong> <strong>Interconnection</strong>sa)c)Can beconnectedto long ACLinesb)c)a) Back-to-Back Solutionb) <strong>HVDC</strong> Long-Distance Transmissionc) Integration <strong>of</strong> <strong>HVDC</strong> into the AC <strong>System</strong>6 11-2008 E T PS MT/RePower Transmission Division
Stability Functions <strong>of</strong> FACTS and <strong>HVDC</strong>a)G ~~PLoadsLoads~G ~b)G ~Loads+/- PG ~G ~Loadsa) FACTS: Voltage / Load-Flow Control (one Direction only) & PODb) <strong>HVDC</strong> Back-to-Back or Long-Distance Transmission:Voltage / Bidirectional Power-Flow Control, f-Control & POD7 11-2008 E T PS SL/Re MT/RePower Transmission Division
ask 1ecurity<strong>of</strong> Power Supply8 11-2008E T PS MT/RePower Transmission Division
New DC Cable Link Neptune RTS, USASafe and reliable Power Supply<strong>for</strong> Megacities: Firewall <strong>for</strong>Blackout PreventionCustomer:End User:Neptune RTSLong Island Power Authority(LIPA)Atlantic OceanLocation:ProjectDevelopment:Supplier:Transmission:Power Rating:Transmission Dist.:New Jersey: SayrevilleLong Island: Duffy AvenueNTP-Date: 07/2005PAC: 07/2007Consortium<strong>Siemens</strong> / PrysmianSea Cable – 500 kV600/660 MW monopolar82 km DC Sea Cable23 km Land Cable911-2008 E T PS MT/RePower Transmission Division
Neptune <strong>HVDC</strong>: 660 MW Full Power Deliveryin Trial Operation – 2 Weeks ahead <strong>of</strong> ScheduleBlackout in NewYork City – June27, 2007New Jersey: SayrevilleNeptune <strong>HVDC</strong>successfullysupported LongIsland’s PowerSupply – 700,000Householdscould be saved385,000 People without Electricity inManhattan and Bronx: Subway brokedown, Traffic Lights out <strong>of</strong> Operation– up to 1 hour Power OutageLong Island: Duffy Avenue10 11-2008E T PS SL/Re MT/RePower Transmission Division
ask 2ustainability<strong>of</strong> Power Supply11 11-2008E T PS SL/Re MT/RePower Transmission Division
Basslink <strong>HVDC</strong>: remote Infeed <strong>of</strong>Hydro Plants <strong>for</strong>:‣ Base Load and‣ Pump StorageGreen Energy<strong>Benefits</strong> <strong>of</strong> <strong>HVDC</strong>:‣ Clean Energy‣ CO 2 Reduction“flexible”Plus WindPower“fuzzy”2005‣ no additionalThermal Plants‣ Cost ReductionCovering Base and Peak-Load Demands12 11-2008 E T PS SL/Re12 11-2008 E T PS MT/RePower Transmission Division
Sustainability in Transmission – <strong>HVDC</strong>in India: East-South Interconnector and Ballia-BhiwadiDC versus AC20092 x 3-ph AC 400 kV1 x +/- 500 kV* 2,500 MWIndia800 kmExample <strong>of</strong> <strong>HVDC</strong>Ballia-Bhiwadi:Reduction in CO 2 :688,000 tons p.a.through 37 % lessTransmissionLosses at*1,450 km2003… too long <strong>for</strong> 400 kV AC2,000 MW13 11-2008 E T PS SL/Re MT/RePower Transmission Division
<strong>Siemens</strong> received an Order <strong>for</strong> the World’sfirst 800 kV UHV DC in China Southern Power Grid1,418 Km5,000 MW+/- 800 kV DCCommercial Operation:‣ 2009 – Pole 1‣ 2010 – Pole 2Yunnan-GuangdongReduction in CO 2versus local Power Supply with Energy-Mix32.9 m tons p.a. –by using Hydro Energy and <strong>HVDC</strong> <strong>for</strong> Transmission14 11-2008 E T PS MT/RePower Transmission Division
World’s biggest and longest 800 kV UHV DCTransmission Project – State Grid Corporation <strong>of</strong> China<strong>Siemens</strong> received an Order <strong>for</strong> the FulongConverter Station – <strong>HVDC</strong> Trans<strong>for</strong>mers &Thyristor Valves with new 6-inch ThyristorsLeshanSichuan Power GridChongqingXiangjiaba-ShanghaiWuhanShanghaiNanhuiXiangjiabaXiluodu leftXiluodu rightXiangjiabaXiluoduleftXiluodu rightXiluodu-Zhuzhou 970kmXiluodu-ZhexiChangshaZhuzhou1728kmZhexi2,071 Km6,400 MW+/- 800 kV DCCommercial Operation:‣ 2011GuangdongReduction in CO 2 versus local Power Supply with Energy-Mix41 m tons p.a. –by using Hydro Energy and <strong>HVDC</strong> <strong>for</strong> Transmission15 11-2008 E T PS SL/Re MT/RePower Transmission Division
More Powerout <strong>of</strong> theGrid …plus CO 2 ReductionProspects <strong>of</strong> Grid Extension and<strong>System</strong> <strong>Interconnection</strong>16 11-2008 E T PS SL/Re MT/RePower Transmission Division
<strong>HVDC</strong> & FACTS –Overview <strong>of</strong> Functions & “Ranking”PrincipleDevicesSchemeImpact on <strong>System</strong> Per<strong>for</strong>manceLoad FlowStabilityVoltageQualityInfluence: *◦ no or low• small•• medium••• strong* Based on Studies& practicalExperience** = SVC PLUSVariation <strong>of</strong> theLineImpedance:SeriesCompensationVoltageControl:ShuntCompensationFSC(Fixed SeriesCompensation)TPSC(ThyristorProtected SeriesCompensation)TCSC(ThyristorControlled SeriesCompensation)MSC/R(MechanicallySwitched Capacitor /Reactor)SVC(Static VarCompensator)STATCOM **(Static SynchronousCompensator)••• •••• ••••••◦ • ••◦ ••◦ •••••••••••E T PS SL/ReLoad-FlowControl<strong>HVDC</strong> – B2B, LDT<strong>HVDC</strong> PLUS – VSCUPFC(Unified PowerFlow Controller)••••••• •••••1711-2008 11-2008 E T PS MT/RePower Transmission Division•••••
<strong>HVDC</strong> & FACTS –Overview <strong>of</strong> Functions & “Ranking”<strong>System</strong>A<strong>System</strong>B<strong>System</strong>C<strong>System</strong>D<strong>System</strong>E<strong>System</strong>FRiskBarrierRisk <strong>of</strong> Spread <strong>of</strong> Voltage CollapseBarrier** “Classic” or PLUSPowerFlowControl <strong>of</strong>VoltageLimitation <strong>of</strong>Faults SCP *PowerSwingDampingSpread <strong>of</strong>VoltageCollapse<strong>HVDC</strong> LDT **B2B ** – GPFCFACTSTCSCSVC**SVC**SCCLBarrierBarrierRisk* SCP = Short-Circuit Power (<strong>System</strong> MVA)18 11-2008E T PS SL/Re MT/RePower Transmission Division
China: over 104 GW *<strong>of</strong> additional <strong>HVDC</strong>Transmission Capacity are expected between 2008 and 20191. Hami – C. China800 kV, 6400 MW, 20182. Xiangjiaba – Shanghai800 kV, 6400 MW, 20113. Xiluodu – Hangzhou800 kV, 6400 MW, 20154. Xiluodu – Guangdong800 kV, 6400 MW, 20135. Jinsha River II – East China800 kV, 6400 MW, 20166. Jingping – Sunan800 kV, 7200 MW, 20127. Jinsha River II – East China800 kV, 6400 MW, 20198. Jinsha River II – Fujian800 kV, 6400 MW, 20189. Nuozhadu – Guangdong800 kV, 5000 MW, 201510. Jinghong – Thailand3000 MW, 201311. Yunnan – Guangdong800 kV, 5000 MW, 2009XinjiangQinghaiXizangGansuBangkokSichuan &ChongqingYunnan10Inrfar Mongolia12018NingxiaHeilongjiang17 Henan JiangsuShaanxi Anhuj2 ShanghaiHubai3Jiangxi195Zheijang67GuizhouFujian8411 GuangdongTaiwan9Guangxi19 11-2008 10-2008E T PS SL/Re MT/RePower Transmission DivisionHunanHainan12Jilin14 Liaoning13BeijingTianjinHebei1516Shanxi Shandong12. Hulunbeir – Shenyang500 kV, 3000 MW, 200913. B2B NE – North (Gaoling)500 kV, 1500 MW, 200814. Humeng – Jinan (Shandong)800 kV, 6400 MW, 201515. North Shaanxi – Shandong500 kV, 3000 MW, 201116. Ningxia – Shandong660 kV, 2 x 4000 MW, 201017. Baoji – Deyang500 kV, 3000 MW, 201018. Mongolia – Beijing660 kV, 4000 MW, 201019. Xiluodu – Hunan660 kV, 4000 MW, 201120. Irkutsk (Russia) – Beijing800 kV, 6400 MW, 2015* Options <strong>for</strong> further Projects > 7 GW
The Vision: DC Energy Highway –why not in Europe too ?Connecting:• Wind Power• Hydro Plants• Solar FieldsConclusions202011-2008E E T T PS PS MT/Re SL/RePower Transmission Division
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