## 3 Electrode Station Configuration
### Eighth Electrode Station Configuration--Straight Frames Adapted to a T-Shaped Protective Dam  
This configuration adapts to the topography of the pond under construction, which has a limited coastline, maintaining, in any case, that the straight frame has the characteristics of the basic configuration (\(N_{d,\_frame}=13\), \(\ell_{p}=0.50\) m, \(\ell_{f}=6.00\) m). For the case of Stachtoroi, the respective configuration of the electrode station is carried out according to Figure 16. The minimum distance between the frames \(ds_{c}\) is equal to 8.0 m according to Equation (39), as already calculated in Section 4.8. If the frames were placed in a row, then the equal distances between consecutive frames would be 8.92 m (=(89.5 \(-\) 6 \(\times\) 6)/6). However, due to the angles of Figure 16, after tests, the minimum distances between the frames are chosen as equal to 9 m for frames on a straight line and 8 m for the rest, which are greater than or equal to \(ds_{c}\). From the respective simulation, the results of Table 7 are obtained, where the respective parameters of Table 6 are listed. It is pointed out that in the present case, the limits of the canvas have been extended considerably, as in the seventh configuration. Indicatively, Figure 29 shows the electric field strength and the area of developing electric field strength greater than 1.25 V/m for the most unfavourable scenario for the area of Stachtoroi, with five frames operating (except for the sixth frame, under maintenance conditions). Figure 29: (a) Electric field strength, (b) area of electric field strength; blue denotes values lower and yellow denotes values higher than the limit of 1.25 V/m, with linear current sources, regarding an electrode station with the 8 th configuration, in the area of Stachtoroi (\(\rho_{S}=\infty\), without dam, \(\rho_{w}=0.25\)\(\Omega\)-m, \(\ell_{p}=0.50\) m, \(d_{p}=8.00\) m, \(s_{c}=6.00\) m, \(L=2.13\) m, \(\theta_{g}=210^{\circ}\)), \(J_{mt,st}=22\) A/m\({}^{2}\) (5-frame operation, excepting no. 6; steady state). From the study of the results for the region of Stachtoroi, the following emerges:  
* The length of the critical zone (along the Oy semi-axis) reaches 43.75 m (i.e., there is an inland deviation of 16.25 m) when the station is fully loaded, with the fourth frame out of operation (the distance between the shores bridging the complete straight dam is 55 m long). The length of the critical zone (along the semi-axis Oy\({}^{/}\)) reaches 55.85 m (i.e., there is a 28.35 m inland deviation) when the station is fully loaded, with the first frame out of operation. The width of the critical zone (along the half-axis Ox\({}^{/}\)) reaches 46.48 m, that is, an inland deviation of up to 24 m occurs (distance between the inner face of the dam and the coast equal to 22.5 m) when the station is fully loaded, with the fist frame out of operation, due to the T-shaped dam at Stachtoroi (according to Figure 16). So, in practice, the zone of influence of an equivalent electric field strength of water equal to 1.25 V/m within the land extends laterally from 16 to 28 m in total. * The width of the critical zone (along the Ox semi-axis) reaches 34.08 m when the station is fully loaded, with the first frame out of operation. The critical zone outside the dam extends 28.1 m (with a crest width of 5 m and a suspension distance of at least 1 m), which is better than all the aforementioned configurations, except for the seventh (against which it performs slightly worse, as the respective value is equal to 26.6 m). * The deviation in the maximum developing electric field strength of the electrode station compared to a single frame (19.69 V/m against 17.96 V/m according to Table 11 in [2]) is of the order of 9.6%, which is significant, a little higher than in the second (19.08 V/m, according to Table 1) and seventh configurations (19.49 V/m, according to Table 6) and lower than in all other configurations.