Review and Progress towards the Common Broadband Management of High-Voltage Transmission Grids: Model Expansion and Comparative Modal Analysis

Figure 3

Application of the coinciding proposed TM2 method (red solid lined square), TM method (blue dashed line X), and MEB method (green dash-dotted triangle) to determine the end-to-end channel attenuation for the propagation of CM^XVs versus frequency for different overhead HV/BPL types and topologies (the subchannel frequency spacing is equal to 1 MHz). (a) Urban case A/150 kV single circuit. (b) Urban case A/275 kV double circuit. (c) Urban case A/400 kV double circuit. (d) Suburban case/150 kV single circuit. (e) Suburban case/275 kV double circuit. (f) Suburban case/400 kV double circuit. (g) Rural case/150 kV single circuit. (h) Rural case/275 kV double circuit. (i) Rural case/400 kV double circuit. (j) “LOS” case/150 kV single circuit. (k) “LOS” case/275 kV double circuit. (l) “LOS” case/400 kV double circuit.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)

(i)

(j)

(k)

(l)