Synchrophasor Initiative in India - erldc

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SYNCHROPHASORS - INITIATIVE IN INDIA JUNE 2012Figure 87: Current flow in 400kV Agra-Bassi line -2Current flow in 400kV Agra-Bassi line -2 is shown in figure 87. The current went upto 350Amperes during the occurrence of fault at Dadri TPS.Figure 88: Current flow in 400kV Agra-Bassi line -3Figure 88 shows the current flow in 400kV Agra-Bassi line -3. The current went upto 350Amperes during the occurrence of fault at Dadri TPS.POSOCO Page 94 of 143
SYNCHROPHASORS - INITIATIVE IN INDIA JUNE 2012Figure 89: current flow in 400kV Hisar-Bawana lineFigure 89 shows the current flow in 400kV Hisar-Bawana line. The current went upto 1235Amperes during the occurrence of fault at Dadri TPS.Table 11: Comparison of fault currents from PMU data and offline simulation studiesFault current contribution(3-Ø fault at Dadri)Name of LineAs per offlinesimulation studyAmpAs per PMUAmp400kV Agra-Gwalior-1 897 920400kV Agra-Gwalior-2 907 927400kV Agra-Bassi-2 294 350400kV Agra-Bassi-3 294 350400kV Bawana-Hisar 1238 1235Table 11 shows the current values obtained from PMU data and from offline simulation studies.It can be observed that current obtained from PMU an offline study is closely matching. Hencethis also validates the correctness of offline network model.POSOCO Page 95 of 143
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Synchrophasor Initiative in India - erldc

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