Synchrophasor Initiative in India - erldc

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SYNCHROPHASORS - INITIATIVE IN INDIA JUNE 2012iii. 400 kV Hisar-Bawanaiv. 400 kV Kishenpur-Moga-I and 400 kV Kishenpur-Moga-IIC. Western Regioni. 400 kV Raipur-Bhadrawati-ID. Southern Regioni. 400 kV Hyderabad-Ramagundamii. 400 kV Bengaluru-Kolariii. 400 kV Salem-HosurFigure 11: Inputs to Phasor Measurement UnitThe PMUs provide time stamped synchronized Phasor measurements which are thentransmitted through high speed communication media to the Phasor Data Concentrator installedat the centralized location.POSOCO Page 26 of 143
SYNCHROPHASORS - INITIATIVE IN INDIA JUNE 2012Table 3: Specifications-Phasor Measurement UnitsDetails pertaining toS No.DescriptionNorthern RegionWestern RegionSouthernRegion1 Make SEL 451 NIcRIO9012NationalInstruments CR10 25252AC current input (CTSecondary circuit)1 A or 5 A Nominal1 A or 5 A Nominal1 A or 5 ANominal300 V phase-to-3AC voltage input (PTSecondary input)300 V phase-to-neutral wyeneutral wyeconfiguration PT400:110configuration PT inputsinputs4 Number of digital inputsPhase-I: 8Phase-II: 8 8 125 Analogue inputsPhase-I: 1 set of 3 ph V & IPhase-II: 2 sets of 3-ph V & I 1 set of 3 ph V & I MW, MVAR, PF6CommunicationprotocolIEEE C37.118 (2005) IEEE C37.118 (2005)IEEE C37.118(2005)7 Signal Sampling rate 8 kHz 50 kHz 50 kHz8 Data reporting rate 25 samples per second9 Time reference source IRIG B interface of GPS25 samples persecondMCX Interface ofGPS25 Samples/SecGPS10 Accuracy of GPS ± 100 ns average ± 100 ns average± 100 nsaverage11 Local data display Yes No Yes12 Local data storage Yes No Yes13Data transmissionmediumOptical Fibre through IP WANOptical Fibre throughIP WANOptical Fibrethrough IP WAN14 Bandwidth used 64 kbps / 2 MBPS 2 MBPS 64 kbpsPOSOCO Page 27 of 143
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Synchrophasor Initiative in India - erldc

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