## 3 Electrode Station Configuration
### Tenth Electrode Station Configuration
If it is desired that the frames be below the limit of 1.25 V/m, the respective radius of the central base should be 28.5 m (as it has been established after successive tests, with base radii from 16.5 m and above, with a step of 0.5 m). * The developing maximum absolute potentials and the corresponding values of the electrode station resistance, with respect to remote earth, are quite better (16.83 kV, 14.42 \(\Omega\)) compared to all other configurations, except for the ninth (11.10 kV, 9.51 \(\Omega\)). It also behaves very well during symmetrical operation. * The developing absolute potentials at the centre O of the central base take smaller absolute values than the corresponding maximum absolute potentials, due to field interactions, where the largest values appear near the operating frames (as it also occurred in the ninth configuration). * In field behaviour results, there are now similarities in the case of single-frame non-operation due to the symmetry of the array layout. Any occurring differences in electric field strength are due to the use of Cartesian coordinates and the simulation step. In terms of determining the absolute potential, the integration path plays a crucial role. From the study of the results for the region of Stachtoroi, the following emerges:  
* The length of the critical zone, from the centre of the arrangement, reaches up to 43.90 m in all directions depending on the way of uneven loading of the station (which is, practically, the same as the results in radially adapted frames to a central base). The arrangement can be placed at the 5.5 m isobath (3.0 m for the breaking wave water + 2.13 m electrode height), while the critical zone of the electric field has a 28.35 m inland deviation. The centre of the arrangement is at the 8.8 m isob  
centre of the arrangement to the nearest land), resulting in an isobath of the order of 14 m, while the entire critical zone of the electric field will be in the water. * The deviation in the maximum developing electric field strength of the electrode station compared to a single frame (18.77 V/m against 17.96 V/m, according to Table 11 in [2]) is of the order of 4.51%, which is smaller than in all other configurations. * In the region of the non-operating frame, electric field strengths greater than 1.25 V/m are observed, although they do not exceed the value of 1.97 V/m, which is below 2.5 V/m. Therefore, no issues arise (regarding the safety of the diver) when maintaining the frames. If it is desired that the frames be below the limit of 1.25 V/m, the respective radius of the central base should be 22.0 m (as it has been established after successive tests with base radii from 14.0 m and above, with a step of 0.5 m). * The developing absolute potentials and the corresponding values of the electrode station resistance, with respect to remote earth, are significantly better (12.07 kV, 10.34 \(\Omega\)) compared to the first configuration (17.30 kV and 14.82 \(\Omega\) according to Table 11 in [2]), as well as all other configurations, except for the ninth (7.21 kV and 6.18 \(\Omega\) of Table 8). It behaves even better during symmetrical operation. * The developing absolute potentials at the centre O of the central base take smaller absolute values than the respective maximum absolute potentials, due to field interactions, where the largest values appear near the operating frames (as was the case in the ninth configuration, in the area of Korakia). * The field behaviour results in the case of single-frame non-operation are similar, due to the symmetry of the arrangement, with respect to its centre O. The corresponding results in \(d_{Ox}\), \(d_{Ox}\), \(d_{Oy}\), and \(d_{Oy}\) would be the same with the appropriate rotation of the Cartesian coordinates system.