Synchrophasor Initiative in India - erldc

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SYNCHROPHASORS - INITIATIVE IN INDIA JUNE 2012Figure 27:Trend display of frequency profile recorded at 400kV Kanpur busFigure 28: Historical trend display of voltage of 400kV bus at Dadri stationPOSOCO Page 42 of 143
SYNCHROPHASORS - INITIATIVE IN INDIA JUNE 2012Figure 29: Tabular display of analog values3.2 Architecture in Western RegionSix PMUs are proposed to be installed under the Interim PMU Project in WR having around 90400kV buses. Concurrent to WR Interim Project, WRLDC had discussion with some vendors forcommissioning of PMUs on test basis for gaining firsthand experience of synchrophasortechnology. As an outcome of this initiative, M/s Infosys Limited proposed and subsequentlycommissioned two PMUs at Bhadrawati and Raipur ends of 400 kV Bhadrawati – Raipur Ckt-Iby 16 th March 2012. Two additional PMUS are likely to be commissioned at 400 kV Itarsi and400 kV Jabalpur by M/s GE in near future. Considering the coordination and logistics support atsite all proposed locations for the test PMU project were POWERGRID substations. Subsequentsections will be limited to experience gathered from WR test PMU project, viz., Infosys Project.3.2.1 SpecificationsDuring the initial discussions it was clarified by M/s Infosys that the PMUs to be installed underthe test project will be from National Instrument (NI) and are based on open PMU concept. Thetechnical specifications of PMUs are mentioned below:POSOCO Page 43 of 143
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