$R_{a} = \frac{P_{\text{Cu}}}{{I_{N}}^{2}}\ ;\ P_{\text{em}} = P_{1} - \ {P}_{\text{Cu}};$
$P_{\text{Fe}} = \ P_{\text{em}} - P_{N};\ M_{\text{Fe}} = \frac{60\ P_{\text{Fe}}}{2\ \pi\ n_{N}}$
$${E_{N} = U_{N} - I_{N}\ R_{a}{;\ M}_{N} = c\ \phi_{N}\ I_{\text{N\ }};\backslash n}{U_{N} = \ k_{E}\ \Phi_{N}\ n_{N};\ U_{N} = k_{E}\ \Phi_{N}n_{0}\backslash n}{E_{N} = U_{N} - I_{N}R_{a};\ \backslash n}{I_{N} = \frac{P_{N}}{\eta\text{\ U}_{N}};n = \frac{U - I\ R_{a}}{\text{c\ }\Phi};\backslash n}{M = \frac{P_{N}}{\omega};\ P_{m\frac{\text{sz}}{r}} = 2\ \text{M\ ϖ}_{\frac{\text{sz}}{r}};\backslash n}{\eta_{\frac{\text{sz}}{r}} = \ \frac{P_{m\frac{\text{sz}}{r}}}{P_{\text{pobie}}};c = \frac{M_{N}}{{I_{N}}^{2}};\ \backslash n}{\frac{M_{\text{r\ max}}}{M_{N}} = \frac{I_{\text{N\ max}}}{I_{N}};\ M_{\text{r\ min}} = \left( 1,1 \div 1,2 \right)M_{N};\backslash n}{M_{\text{r\ max}} = 0,9\ M_{k} = 1,8\ M_{N};\backslash n}{R_{d1} = \sqrt{({\frac{E_{20}}{\sqrt{3}I_{\max}})}^{2} - ({\sum X)}^{2}} - R;\backslash n}{\sum X = \frac{R_{z}}{S_{N}\left( {P_{m}}^{2} + \sqrt{{P_{m}}^{2} - 1} \right)};\backslash n}{R_{z} = \frac{P_{N} - S_{N}}{3(1 - S_{N}\ {{)\ I}_{2N}}^{2}};\backslash n}{m = \ \frac{\ln\left( s_{n}\ \frac{I_{\text{n\ max}}}{I_{n}} \right)}{\ln\left( \frac{I_{\text{n\ min}}}{I_{\text{n\ max}}} \right)};\ \ R_{d2} = \left( R_{z} + R_{d1} \right)s_{2} - R_{z};\backslash n}{s_{1} = \frac{I_{2\ min}\ }{I_{2\ max}};\ \upsilon = \frac{\Delta P_{\text{zm}}\ \left( a + k^{2} \right)}{\text{α\ F}};\backslash n}{\Delta\upsilon = \ \Delta\upsilon_{\text{sz}}\left( 1 - e^{- \frac{t_{s}}{T_{n}}} \right);}$$
$\Delta\upsilon_{\text{sz}} = \frac{{\Delta P}_{\text{zm}}}{\text{α\ F}}\left( a + 1 \right)\left( 1 - e^{- \frac{t_{s}}{T_{n}}} \right);\ \backslash n$ ${\Delta\upsilon}_{\text{dop}} = \frac{{\Delta P}_{\text{zm}}}{\text{α\ F}}\left\lbrack a + \left( \frac{1,2\ P_{N}}{P_{N}} \right)^{2} \right\rbrack\left( 1 - e^{- \frac{t_{s}}{T_{z}}} \right);\ \backslash n$ $P_{s1} = P_{s2}\sqrt{1 - e^{- \frac{t_{p}}{T_{\upsilon}}}};\ \ P_{s1} = \ M_{s1}\ \varpi;$