Best Piecewise Monotonic Data Approximation in Overhead and Underground Medium-Voltage and Low-Voltage Broadband over Power Lines Networks: Theoretical and Practical Transfer Function Determination

Figure 10

Theoretical, measured, and best L1PMA coupling transfer function of the five indicative topologies of underground MV/BPL networks for two indicative fault distributions (CUD and NU) when different coupling schemes are applied. (a)–(e) coupling scheme. (f)–(j) coupling scheme.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)

(i)

(j)