public Line(string thisName, SubGeographicalRegion thisArea, string sourceBus, float baseKV) : base(thisName, thisArea) { this.lineBuilder = new LineBuilder(this); VoltageLevels = new List<TopologicalNode.VoltageLevel>(); lineBuilder.BuildModel(); type = "Line"; bus1 = sourceBus; Area = thisArea; BaseKV = baseKV; }