Double Circuit 345 Base Case

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Presentation transcript:

Double Circuit 345 Base Case Sensitivity of Transmission Line Parameter Calculations Using TOWERABC, March 5, 2013 pF/m microH/m Ohms/km First abc C+/- Czero L+/- Lzero R+/- Rzero Matrix 12.21 7.05 0.95 2.46 Conv. Approx. 12.03 6.05 3.37 0.0364 0.214 Double Circuit 345 Base Case pF/m microH/m Ohms/km First abc C+/- Czero L+/- Lzero R+/- Rzero Matrix 12.12 6.28 0.95 2.84 Conv. Approx. 12.03 6.05 3.37 0.0364 0.214 Left Circuit Only and Ground Wire pF/m microH/m Ohms/km First abc C+/- Czero L+/- Lzero R+/- Rzero Matrix 12.21 7.05 0.95 2.46 Conv. Approx. 12.03 6.05 3.37 0.0364 0.214 Double Circuit 345 Base Case pF/m microH/m Ohms/km First abc C+/- Czero L+/- Lzero R+/- Rzero Matrix 12.21 7.05 0.94 1.71 Conv. Approx. 12.03 6.05 0.95 1.86 0.0364 0.214 Resistivity = 0 pF/m microH/m Ohms/km First abc C+/- Czero L+/- Lzero R+/- Rzero Matrix 12.21 7.05 0.95 2.46 Conv. Approx. 12.03 6.05 3.37 0.0364 0.214 Double Circuit 345 Base Case pF/m microH/m Ohms/km First abc C+/- Czero L+/- Lzero R+/- Rzero Matrix 12.21 7.05 0.95 2.65 Conv. Approx. 12.03 6.05 4.06 0.0364 0.214 Resistivity = 1000

Double Circuit 345 Base Case Sensitivity of Transmission Line Parameter Calculations Using TOWERABC, March 5, 2013, cont. pF/m microH/m Ohms/km First abc C+/- Czero L+/- Lzero R+/- Rzero Matrix 12.21 7.05 0.95 2.46 Conv. Approx. 12.03 6.05 3.37 0.0364 0.214 Double Circuit 345 Base Case pF/m microH/m Ohms/km First abc C+/- Czero L+/- Lzero R+/- Rzero Matrix 12.18 6.70 0.95 2.46 Conv. Approx. 12.03 5.51 3.37 0.0364 0.214 Sag = 0 pF/m microH/m Ohms/km First abc C+/- Czero L+/- Lzero R+/- Rzero Matrix 12.21 7.05 0.95 2.46 Conv. Approx. 12.03 6.05 3.37 0.0364 0.214 Double Circuit 345 Base Case pF/m microH/m Ohms/km First abc C+/- Czero L+/- Lzero R+/- Rzero Matrix 12.15 6.67 0.95 3.37 Conv. Approx. 12.03 6.05 0.0364 0.214 No Ground Wires pF/m microH/m Ohms/km First abc C+/- Czero L+/- Lzero R+/- Rzero Matrix 12.21 7.05 0.95 2.46 Conv. Approx. 12.03 6.05 3.37 0.0364 0.214 Double Circuit 345 Base Case pF/m microH/m Ohms/km First abc C+/- Czero L+/- Lzero R+/- Rzero Matrix 11.19 6.67 1.03 2.55 Conv. Approx. 11.04 5.79 3.45 0.0364 0.214 Bundle Radius = 10cm