g Digital Energy Connectivity • Support for up to 40 PMU inputs • Up to 8 individually configurable C37.118 output channels • Up to 4 internal pseudo PMUs to notify Multilin P30 diagnostics • Configurable reporting (1 to 120 frames per second accuracy) Recording and Archiving • Integrated 2500 tags historian module capable of recording up to 100,000 values/second with microsecond time stamps • Direct access to the archived database from up to seven locations simultaneously using EnerVista Synchrophasor Viewer • Support for up to 16 simultaneous connections to Multilin P30 historians from EnerVista Synchrophasor Viewer Security • Designed for integration into NERC-CIP compliant systems • Centralized user profiles (customer furnished RADIUS server) • Encrypted local passwords • Secure firmware upgrades that prevents installation of unauthorized firmware • Encrypted data transmission between EnerVista P30 Setup software and the Multilin P30 Phasor Data Concentrator to prevent unauthorized configuration Software • Device setup and maintenance through the EnerVista suite of industry-leading software programs that simplify configuration, test, commissioning and operation of the Multilin P30 Phasor Data Concentrator • Built in synchrophasor data analysis and reporting tools • “Work Sheet” based visualization interface for phasor displays, trend charts, historian statistics and PMU status • Easy export of Multilin P30 historian data to Microsoft ® Excel ® • Reduce deployment and operation cost of wide area monitoring systems integrating more Phasor Measurement Units (PMUs) per PDC • Simplify analysis of power system events through fast and easy access to time synchronized phasor data archives • Implement NERC-PRC-002-2 (draft) compliant dynamic disturbance recording (DDR) systems • Integrate P30 PDC into NERC-CIP compliant systems using the built-in security features • Enable control system wide area monitoring applications to reveal dynamics of the power grid though low latency time aligned synchrophasor signals • Customize wide area monitoring systems with the optional Multilin P30 applications module without the costs associated with additional hardware • Collection, aggregation, archiving of synchrophasor time aligned data within the Substation for enhanced post event analysis • Continuous recording and reporting of synchrophasor data through up to eight C37.118 clients for wide area monitoring applications • Deployment of NERC-PRC-002-2 compliant Dynamic Disturbance Recording systems • Visualization of live or recorded synchronized phasor data at substation, multiple substations and regional control centers Phasor Data Concentrator Multilin ™ P30 FEATURES APPLICATIONS KEY BENEFITS Secure high performance Phasor Data Concentrator (PDC) for wide area monitoring and dynamic disturbance analysis
OverviewMonitoringofelectricalgridinfrastructureisacritical taskcarriedoutcontinuouslyby systemoperators to ensure safe andreliable operations. Traditional SCADAsystems give operators a view of thesystem’s operating conditions with atypical latency in the range of secondsandminutes.
Therelative lowmeasurement frequencyandlowspeedcommunicationscombinedwiththetimerequiredtoexecuteanalysisprogramsdonotallowSCADAsystemstohandle system emergency operations inreal time. Decisions aremade based onstaticpowersystemmodelswhereatrade-offwithaccuracyisgenerallyneeded.
Communicat ion and comput ingtechnologies available today allowmonitoring functions with sub cycleresolution for power systems over largegeographicalareas.Thefasterandhigherresolutionmeasurementsintroducedwithsynchrophasor technologies,alsoknownasdynamicmonitoringcapabilities,enablewideareamonitoringatthesystemlevelbased on accurate and precise data athigh-speeddatarateswithextremelylowlatency,lessthan200ms.
Whenapplied towideareaapplications,typicallyexecutedattheoperationcenterlevel,synchrophasorsenableoperatorstooptimizesystemavailability,reliabilityandstability analysis andoperations. PhasorDataConcentrators(PDCs)andthePhasorMeasurement Units (PMUs), that supplycontrolcenterswithphasordata,arekeycomponentsofsynchrophasorbasedwideareamonitoringsystems.
GE’sseriesofMultilinP30PDCsandPMUdevices leverage the latest advancesin synchrophasor and computingtechnologies available for the powerindustry to enable synchrophasor basedwideareamonitoringapplications.
Typical synchrophasor based wide area monitoring system architecture
3
Multilin P30Phasor Data Concentrator
www.GEDigitalEnergy.com
ConnectivityTheMultilinP30PhasorDataConcentratoris a modular, substation rated, highperformancedevicecapableofcollecting,processing, recording and archivingC37.118 compliant synchrophasor data.The Multilin P30 supports up to fortyPMUorPDC inputsandup toeightuserconfigurable channels for transmissionofsynchrophasordatatoclientssuchasotherPDCs,SuperPDCsand/orEnerVistaSynchrophasorViewer.
High Performance PDC
The primary function of theMultilin P30PDCistoprovideenhancedvisibilityoftheelectricalpowergrid.TheMultilinP30PDCdatacollectormodulecommunicateswithuptofortyPMUsorotherPDCstoacquireandtime-alignsynchrophasordata.
The Multilin P30 processor modulestructuresoutputdatasetsfromavailabledata, interpolates, filters and decimatesdataasrequired.
The Multilin P30 PDC can connect toup to eight output streams which canbe individually configured to ensureclients such as other PDCs, Super PDCs,visualization devices, external historiansand other external applications receiveaccurate and precise data at ratespreviously impossible to obtain fromtraditionalSCADAsystems.
Easy Expansion and Customization of Multilin P30 PDC
The Multilin P30 Applications Processoroption is available tousers that need tointegrate custom applications into theirsynchrophasormonitoringsystems.
The Multilin P30 Applications Processoris equippedwith aWindows® operatingsystem that allows installation ofuser’s preferred applications includingdevelopmenttoolkits.
The Multilin P30 Applications ProcessorcanreduceDDRsystemsdeploymentcostleveragingtheinfrastructurebuiltintotheMultilinP30PDCtoexpandandcustomizethe PDC platformwhilemaintaining thesystem reliability associated with theMultilinP30substationratedplatform.
Historian Module Applications Module
Collector Module• Data Reception
Processing Module• Time Alignment• Data Structuring
Output Module• Data Broadcast
Multilin P30 PDC
PMU Inputs
• Up to 40 PMU inputs • 1 to 120 frames/sec.
• Up to 8 Client Connections • 1 to 120 frames/sec
C37.118 Clients
Multilin P30 Supported RatesSYSTEMFREQUENCY INPUT AND OUTPUT SUPPORTED RATES, FRAMES PER SECOND (FS)
PMUs connect to the instrumenttransformersonthepowergridandservecurrent and voltage data to the wideareamonitoring system. PMU function isbecomingastandardfunctioninmostGEProtection & Control Relays. GE’sMultilinURfamilyofprotectionandcontroldevices(D60, F60, G60, L30, L90, T60 and N60)support PMU capabilities. GE’s MultilinPMUs meet or exceed the requirements
of theC37.118synchrophasors forpowersystemsstandardforvirtuallyallpracticalapplications. The Multilin N60 NetworkStabilityandSynchrophasorMeasurementSystem for example supports up to fourPMUsandcanstreamsynchrophasorsoveritsEthernetportsatdiscreteratesfrom1to120framespersecond.ThesehighdataratesallowGE’ssynchrophasorsystemstomeasureand visualize thepower systemattwicetheNyquistratefora60Hzpowersystemandthereforecaptureallessentialwaveformdata.
Seamless Interface to Super PDCs
TheMultilinP30PDCisdesignedtostreamdata to a Super PDC using the C37.118protocol. Super PDC devices typicallycollectandarchivesynchrophasordataatthecontrolandsystem level.SuperPDCsare designed to run on non-substationratedpowerfulcomputingplatformswithlarge processing and storage capacityin order to support the large volumes ofsynchrophasordata reported fromPMUs,PDCsand/orRegionalPDCs.
Data CollectionMultilinP30PDCcollectsdatafromC37.118compliantPMUsat1to120framespersecond.MultilinP30PDCextracts,buffers,aggregatesandarchivesdatafromupto40PMUdevices.
The bandwidth required for PMUcommunications for a typical PMUincludingonePhasor,twoanalogchannels,and sixteen digital channels reported atsixty frames per second is in the rangeof 70 to 75 kbps (kilobits per second).While it is possible to communicatesynchrophasor information over serialcommunication channels, utilities takingadvantageofsynchrophasortechnologiestypically implementsynchrophasorbasedwide areamonitoring systems based oncommunicationsystemswiththatsupportMegabitcommunicationsbandwidth.
Recording & Archiving
PRC-002-2 Dynamic Disturbance Recording (DDR)
PRC-002isastandardunderdevelopmentthat will define the requirements forrecording and reporting Sequence OfEvents(SOE)data,FaultRecording(FR)data,andDynamicDisturbanceRecording(DDR).Thepurposeofthestandardistofacilitateanalysisofdisturbances.
FR and SOE are features commonlyavailable today in protection relays andSCADAequipment.
The third type of recording defined inthe PRC-002-2 standard is DDR. Largeinterconnectedsystemscanhaveinter-arearesponses toeachother resulting inslowoscillatingloadswings.Thesedisturbancesare characterized by oscillating powerswings that can have frequencies in theneighborhoodof0.1to4Hz,andduration
intherangeofa fewsecondstominutesorhours.
Adynamicdisturbancerecorderisadevicecable of recording incidents that portraypower system behavior during dynamiceventssuchaslowfrequency(0.1Hz-4Hz)oscillations and abnormal frequency orvoltageexcursions.
The advanced high capacity disturbanceandevent recording featuresavailable inthe Multilin P30 Substation Phasor DataConcentrator support the requirementsof the PRC-002-2 standard and cansignificantly reduce the time needed foranalysis and reporting of disturbanceanalysisandregulatoryreports.
Multilin P30 Built-in Historian Capabilities
A typical GE substation DDR systemcomprises of several PMUs reportingsynchrophasor data at various differentratesfrom1to120framespersecondtoaMultilinP30PDC.EachofGE’sMultilinPMUsmayinclude1to14setsofphasorvalues(Multilin N60). Below are some typicalexamplesofdifferent typesofPMUswithvarious combinations of phasor, analoganddigitalparameters.LargevolumesofdatageneratedbyaDDRsystemrequiresa fast and reliable archiving method toguaranteedataintegrityforfutureanalysis.
TheEnerVistaP30Setupsoftware followsthe user friendly structure characteristicof the industry leading EnerVista suite ofsoftwareapplications.
The EnerVista P30 Setup applicationprovides easy access to theMultilin P30PDC feature set throughan intuitive treeviewof theMultilinP30parameters foraclear and simple configuration process.A series of convenient trouble-shootingand diagnostic tools such as trending,Multilin P30 sequenceof events recorderlive view of actual values is available inEnerVistaP30Setuptooptimizethetesting,commissioningandmonitoringactivities.
TheMultilinP30Setupsoftwarecanoperatewithout a Multilin P30 device physicallyconnectedtothecomputerallowinguserstoworkonconfigurationprojectsandsavesettingsinaconfigurationfileforfutureuse.
EnerVista Synchrophasor Viewer Software
EnerVista Synchrophasor Viewer is apowerfulyetsimpletousesynchrophasordatamanagementandvisualization tool.EnerVista Synchrophasor Viewer can becustomizedtoprovidedifferentviewsofthepowersysteminatimealigned,liveviewortimealignedreplayofhistoricaleventsoveruserdefinedtimespan.
Thevisualization interface isbasedonaneasytouse“worksheet”workenvironment.Users can createmultipleworksheets onwhichmultiple user configurable objectssuch as Phasor Displays, Trend Charts,HistorianStatisticsandPMUStatustablesaredisplayed.
EnerVista Synchrophasor V iewersupports up to 16Multilin P30 historianssimultaneously. Each historian can beaccessedbyuptosevenconcurrentusers.
The EnerVista P30 Setup software user friendly structure
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Multilin P30Phasor Data Concentrator
www.GEDigitalEnergy.com
C37.118 Synchrophasor Processor Module
Applications ModuleWindowsXPEmbeddedSystem
Historian Module100,000ValuespersecondRecording2500tags2x10/100/1000BaseTPortsforConfigurationandHistorianAccess
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