# Parametric Selection of Optimized Epicyclic Gearbox Layouts for Wind Power Plant Applications
## 6 Conclusions
\begin{table}
\begin{tabular}{c c c c c c c c c c c} \hline \hline
**No.** & **S/V** & \(\mathbf{f_{I}}\) & \(\mathbf{f_{II}}\) & \(i\) & \(m\), \(\mathbf{kg}\) & \(\eta\) & \(d_{\mathbf{3 max}}\), \(\mathbf{mm}\) & \(d_{\mathbf{3 max}}\)/\(d_{\mathbf{3 min}}\) & \(m_{\mathbf{I}}\), \(\mathbf{mm}\) & \(m_{\mathbf{II}}\), \(\mathbf{mm}\) \\ \hline
1 & S55 EN(W) & 2.3333 & 2.5 & \(-0.02041\) & 4002.031 & 0.41188 & 1050 & 1.06061 & 25 & 22 \\ \hline
2 & S55 WN(E) & 2.5 & 2.3333 & \(-0.02041\) & 4002.031 & 0.41188 & 1050 & 1.06061 & 22 & 25 \\ \hline
3 & S44 EN(W) & 2.5 & 2.3333 & \(-0.02041\) & 5406.571 & 0.41188 & 1134 & 1.008 & 25 & 27 \\ \hline
4 & S44 WN(E) & 2.3333 & 2.5 & \(-0.02041\) & 5406.571 & 0.41188 & 1134 & 1.008 & 27 & 25 \\ \hline
5 & S26 NW(E) & 7.8333 & 4.6667 & \(-0.02039\) & 3530.972 & 0.96532 & 1344 & 1.19149 & 8 & 16 \\ \hline
6 & S16 EW(N) & 7.3333 & 5.6667 & \(-0.02045\) & 3450.693 & 0.96329 & 1428 & 1.35227 & 8 & 14 \\ \hline
7 & S23 EW(N) & 8 & 5.5 & \(-0.0202\) & 4664.346 & 0.96254 & 1584 & 1.375 & 8 & 16 \\ \hline
8 & S13 NW(E) & 7.3333 & 6.8333 & \(-0.02036\) & 4738.083 & 0.95963 & 1722 & 1.63068 & 8 & 14 \\ \hline
9 & S66 WN(E) & 7.1667 & 7.3333 & \(-0.02041\) & 8836.816 & 0 & 1848 & 1.02326 & 14 & 14 \\ \hline
10 & S66 EN(W) & 7.3333 & 7.1667 & \(-0.02041\) & 8836.816 & 0 & 1848 & 1.02326 & 14 & 14 \\ \hline
11 & S22 EN(W) & 7.1667 & 7.3333 & \(-0.02041\) & 63387.41 & 0 & 3564 & 1.02326 & 27 & 27 \\ \hline \hline \end{tabular}
\end{table} 
Table 4: Gear trains with nominal \(i=-0.02\) ranked according to minimal larger ring gear reference diameter. \begin{table}
\begin{tabular}{c c c c c c c c c c c} \hline
**No.** & **S/V** & \(\mathbf{t_{I}}\) & \(\mathbf{t_{II}}\) & \(i\) & \(m_{\text{r}}\)**, \(\mathbf{kg}\)** & \(\eta\) & \(d_{\mathbf{3 max}}\), \(\mathbf{mm}\) & \(d_{\mathbf{3 max}}\)/\(d_{\mathbf{3 min}}\) & \(m_{\text{I}}\), \(\mathbf{mm}\) & \(m_{\text{II}}\), \(\mathbf{mm}\) \\ \hline
1 & S16 NW(E) & 3 & 2.8333 & 0.08 & 1665.727 & 0.96811 & 918 & 1.41667 & 12 & 18 \\ \hline
2 & S23 NW(E) & 2.8333 & 3 & 0.08 & 1778.35 & 0.96811 & 972 & 1.58824 & 12 & 18 \\ \hline
3 & S26 EW(N) & 2 & 3.1667 & 0.08 & 2201.356 & 0.97151 & 1026 & 1.58333 & 18 & 18 \\ \hline
4 & S13 EW(N) & 4.1667 & 3 & 0.08 & 2777.048 & 0.9604 & 1080 & 1.2 & 12 & 20 \\ \hline
5 & S66 WN(E) & 3.1667 & 2.8333 & 0.08 & 2828.445 & 0.64636 & 1026 & 1.11765 & 18 & 18 \\ \hline
6 & S55 WN(E) & 3.5 & 5.5 & 0.08081 & 3818.928 & 0.91335 & 1386 & 1.375 & 16 & 14 \\ \hline
7 & S46 EW(N) & 1.6667 & 6.8333 & 0.07979 & 4512.495 & 0.97505 & 1722 & 2.87 & 20 & 14 \\ \hline
8 & S34 NE(W) & 6.8333 & 1.5 & 0.08072 & 5188.004 & 0.97426 & 1722 & 2.36214 & 14 & 27 \\ \hline
9 & S33 EN(W) & 3.8333 & 4.1667 & 0.08 & 5233.727 & 0.52582 & 1350 & 1.08696 & 18 & 18 \\ \hline
10 & S44 EN(W) & 3.5 & 5.5 & 0.08081 & 5605.839 & 0.91335 & 1584 & 1.39683 & 18 & 16 \\ \hline
11 & S25 EW(N) & 7 & 1.8333 & 0.08088 & 6825.57 & 0.97543 & 1512 & 1.27273 & 12 & 36 \\ \hline
12 & S15 NW(E) & 6.8333 & 1.5 & 0.08072 & 10,673.07 & 0.97426 & 1476 & 1.09333 & 12 & 50 \\ \hline
13 & S2 WN(E) & 2.8333 & 3.1667 & 0.08 & 11,112.29 & 0.64636 & 1539 & 1.00588 & 30 & 27 \\ \hline
14 & S11 WN(E) & 3.8333 & 4.1667 & 0.08 & 17,663.83 & 0.52582 & 2025 & 1.08696 & 27 & 27 \\ \hline \end{tabular}
\end{table} 
Table 6: Gear trains with nominal \(i=-0.02\) ranked according to maximum efficiency. \begin{table}
\begin{tabular}{c c c c c c c c c c c} \hline
**No.** & **S/V** & \(\mathbf{f_{1}}\) & \(\mathbf{f_{II}}\) & \(i\) & \(m_{t}\)**, \(\mathbf{kg}\)** & \(\eta\) & \(d_{3\text{max}}\)**, \(\mathbf{mm}\)** & \(d_{3\text{max}}\)/\(d_{3\text{min}}\)** & \(m_{\text{L}}\)**, \(\mathbf{mm}\)** & \(m_{\text{IL}}\)**, \(\mathbf{mm}\)** \\ \hline  
N(W) & 4.1667 & 3.8333 & 0.08 & 17,663.83 & 0.52582 & 2025 & 1.08696 & 27 & 27 \\ \hline \end{tabular}
\end{table} 
Table 8: Gear trains with nominal \(i=-0.08\) ranked according to minimal mass.