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

Table 1

Optimal number of monotonic sections and PES for distribution BPL networks (OV: overhead; UN: underground).

		Urban case A		Urban case B		Suburban case		Rural case		“LOS” case
		Number of monotonic sections	PES; (×10^−5%)	Number of monotonic sections	PES; (×10^−5%)	Number of monotonic sections	PES; (×10^−5%)	Number of monotonic sections	PES; (×10^−5%)	Number of monotonic sections	PES; (×10^−5%)
OVMV	WtG^1	12	1.2	22	0.9	20	0.7	6	0.7	6	0.7
	WtW	14	1.3	22	1.0	20	1.5	5	0.3	5	0.5
OVLV	WtG^1	10	1.0	21	0.7	20	0.6	2	1.2	2	1.4
	WtW	14	1.5	21	1.1	20	1.4	1	0.4	1	0.4
UNMV	StP^1	19	0.9	20	0.7	22	1.0	5	1.1	1	1.1
	PtP	19	0.7	20	0.7	22	1.1	5	1.1	1	1.0
UNLV	StP^1	16	1.0	20	1.1	18	1.4	1	0.9	1	0.8
	PtP	16	1.3	20	1.1	18	1.2	1	1.4	1	1.5