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Table 5 Case study results with ZIB measurements

From: Communication infrastructure for situational awareness enhancement in WAMS with optimal PMU placement

  For PMU located on Bus 2 and PDC located on Bus 9, estimation of MSCS For PMU located on Bus 7 and PDC located on Bus 9, estimation of MSCS For PMU located on Bus 10 and PDC located on Bus 9, estimation of MSCS
Latitude (°N) Longitude (°E) Tower heights (m) Latitude (°N) Longitude (°E) Tower heights (m) Latitude (°N) Longitude (°E) Tower heights (m)
PMU Radio Terminal 25.2446 86.0734 100 25.3105 85.1911 97.06 24.4758 85.0055 50.51
Repeater 1 25.2376 85.8276 98.95 24.6847 85.0915 99.87
Repeater 2 25.2303 85.5819 100 24.8936 85.1777 89.91
Repeater 3 25.2225 85.3361 99.5 25.1025 85.2642 96.18
PDC Radio 25.2218 85.3138 97.88 25.2218 85.3138 95.12 25.2218 85.3138 100
No. of Repeaters required 3 0 3
Propagation delay measured in ms 0.2548 0.0527 0.2953
Availability 0.999933372157467 0.999983344151698 0.999933372157467
SA 0.996547497605291 0.999281802527150 0.996011636292648
System SA Metric: \( {SA}_{system}^{mean} \) (0.996547497605291 + 0.999281802527150 + 0.996011636292648)/3 = 0.997280312141696
System SA Metric: \( {SA}_{system}^{\mathrm{min}} \) Min(0.996547497605291, 0.999281802527150, 0.996011636292648) = 0.996011636292648