Optimal configuration problem identification of electrical power cable in tidal turbine farm via traveling salesman problem modeling approach

Table 1 Single hub optimization results for an array of 32 turbines with a cable capacity of 6 kV

No. of cables	y-position (m)	Nodes explored	Relative gap (%)	Cable length (m)
6	223.0	2988081	19.8	1539.4
7	223.0	3714539	11.7	1488.6
8	223.0	1948936	13.7	1543.4
9	223.0	7357794	7.0	1554.9
6	194.0	1044404	25.0	1534.3
7	194.0	1315649	20.6	1496.6
8	194.0	1689876	15.3	1478.9
8	182.8	2520477	15.6	1485.7
8	182.9	2237553	15.3	1479.4
9	194.0	1818543	12.0	1488.0
6	154.0	1811012	28.0	1599.4
7	154.0	1865403	21.1	1493.7
8	154.0	975086	17.8	1493.1
9	154.0	3038205	15.2	1496.0