HVDC PLUS and SVC PLUS: Reliable and Cost-effective ... - Siemens

MMC Power ModulesFull H-Bridgeu acTopology of cascadedH-Bridge converterspatented 1975U dcU dcU acU acU dc0-U dcHalf H-BridgeTopology of cascadedHalf H-Bridge converterspatented 2002u acU dc0"on" "off"© Siemens AG 2011Energy Sector / Power Transmission Solutions

MMC for HVDC PLUSUtilizing Half Bridge Power ModulesConverterReactorPower ModuleConverter Arm© Siemens AG 2011Energy Sector / Power Transmission Solutions

HVDC PLUSGenerating Perfect Output Voltages+U dAC and DC Voltages controlledby Converter Module Voltages:+U d/2U ACU AC0Phase Unit-U d/2© Siemens AG 2011Energy Sector / Power Transmission Solutions

PLUS TechnologiesFeatures and Benefits of MMC Topology Virtually Harmonic Free Output Voltages• typically no filters• standard components (e.g. transformers) Low Switching Frequency• low converter losses Compact Station Design• minimum number of primary componentsin the converter station High Modularity in Hardware and Software• various topologies possibleHalf-Bridge, Full Bridge,Single Phase, Cyclo-Converter• maintenance friendly• application of "mainstream" module IGBTs Easy to scale to various Output Voltages© Siemens AG 2011Energy Sector / Power Transmission Solutions

Trans Bay Cable 2010The First Project© Siemens AG 2011Energy Sector / Power Transmission Solutions

HVDC PLUSExtended Features Transmission Systems Full Active and Reactive Power Control Capability System Black Start Operating under unbalanced system conditions AC Fault ride-through No Commutation Failures Compact Design perfectly suited especially for Offshore PlatformsQ capacitive(over excited)PRectifierPInverterQ inductive(under excited)© Siemens AG 2011Energy Sector / Power Transmission Solutions

HVDC PLUSAdvantages for HVDC TransmissionUnipolar DC VoltagePower reversal by reversing of the DC current fast power reversal possible (not limited by cable dv/dt capability) parallel connection of converters on the DC sideto build Multiterminal Systems and DC GridsIncreased Energy StorageDistributed storage capacitance Operation under unbalanced AC system voltages• Voltage balancing• Operating through unbalanced AC system faults Providing fault currents to the AC system© Siemens AG 2011Energy Sector / Power Transmission Solutions

HVDC PLUS - Thoroughly Tested (I)Power Block-Deblock -- Extended Simulator TestTrans Bay Cable150 ms© Siemens AG 2011Energy Sector / Power Transmission Solutions

HVDC PLUS - Thoroughly Tested (II)Commissioning TestsTrans Bay Cable© Siemens AG 2011Energy Sector / Power Transmission Solutions

HVDC PLUSAbout 5.000 MW under Contract after Trans Bay CableProject MW Location In Service YearTrans Bay Cable 400 USA 2010Borwin2 800 Germany 2013Helwin1 576 Germany 2013INELFE 2*1000 France-Spain 2013Sylwin1 864 Germany 2014Helwin2 690 Germany 2015Page 11Oct-11E T PS EN12© Siemens AG 2011Energy Sector / Power Transmission Solutions

Full Bridge Power Modules for SVC PLUSPage 12Oct-11E T PS EN12© Siemens AG 2011Energy Sector / Power Transmission Solutions

SVC PLUS PortfolioPre-fabricated solutions:SVC PLUS S: +/- 25 MvarSVC PLUS M: +/- 35 MvarSVC PLUS L: +/- 50 Mvar8 kV – 15 kVHVLVOpen rack solution (building)SVC PLUS C: +/-100 Mvarand aboveSVC PLUS Hybrid with• MSR• MSCSVC PLUS+/-25 ..+/-50 MvarMSRMSC© Siemens AG 2011Energy Sector / Power Transmission Solutions

SVC PLUSAll-in-One ContainerizedCooling System Converter Control&Protection© Siemens AG 2011Energy Sector / Power Transmission Solutions

SVC PLUSModular Multilevel Converter (MMC)ConverterPower ModuleIGBT Module© Siemens AG 2011Energy Sector / Power Transmission Solutions

SVC PLUS Thanet with MSC and MSR, UKMSCMV GISAux.supplySVC PLUSTransformerMSR132 kV HIS© Siemens AG 2011Energy Sector / Power Transmission Solutions

SVC PLUSSummary Contract awardsProject No of units / Type Customer In Service YearPenrose & Marsden 2x2 SVC PLUS M Transpower (New Zealand) 2013West of Dusson Sands 2x SVC PLUS L Dong Energy (UK) 2014CMC Seguin 2x SVC PLUS C CMC Steel (USA) 2013TVSZ / Tikhvinski 1x SVC PLUS C TVSZ (Russia) 2012Goliat Hyggevatn 2x SVC PLUS M ENI Norge 2013Qasco 1x SVC PLUS C Qatar Steel Company (Qatar) 2012Wycarbah, Duringa, Bluff3x SVC PLUS CPowerlink (Australia)2012Rio Branco1x SVC PLUS LElectronorte (Brazil)2011Gwynt y Mor2x SVC PLUS LRWE npower2012Lincs2x SVC PLUS LLincs Windfarm Ltd. (UK)2011Haywards1x SVC PLUS CTranspower (New Zealand)2013London Array4x SVC PLUS LLondon Array (UK)2011Mocuba1x SVC PLUS MEdM (Mozambique)2011Thyssen Krupp1x SVC PLUS CThyssen Krupp (USA)2012Greater Gabbard3x SVC PLUS LGreater Gabbard Offshore Ltd (UK)2010Kikiwa2xSVC PLUS MTranspower (New Zealand)2010Thanet2xSVC PLUS MThanet Offshore Ltd. (UK)200934 units under project execution / commercial operation© Siemens AG 2011Energy Sector / Power Transmission Solutions

HVDC PLUS and SVC PLUS: Reliable andCost-effective Power Transmission Solutionswith Modular Multilevel ConvertersC. Bartzsch, Dr. H. Huang, T. Westerweller - Siemens, GermanyDr. M. Davies - High Electrical Power, Australia© Siemens AG 2011Energy Sector / Power Transmission Solutions