$\text{HHI} = \sum_{1}^{n}\left( S_{i} \bullet 100 \right)^{2}$

$S_{i} = \frac{D_{I}}{\sum_{}^{}D_{I}}$

K_bez = K_WYD + K_INFR IMP + K_KIER IMP+

              + K_POJ MAG + K_STR RYNK

K_BEZ 2012 = K_WYD2012 + K_BEZ2009 − K_WYD2009

$K_{\text{WYD}\ \text{ROK}} = W \bullet \frac{P_{\text{ROK}}}{Z_{\text{ROK}}}$

K_BEZ 2012 = K_INF IMP2012 + K_bez2009 − K_{INFR IMP2009}

K_{INFR IMP ROK} = (W_R•K_R ROK) + (W_T•K_T ROK)+

                           + (W_KIER DOST•K_KD ROK)

$K_{r\ \text{rok}} = \frac{P_{R\ \text{ROK}}}{W_{I\ \text{ROK}}}$

$K_{t\ \text{rok}} = \frac{P_{T\ \text{ROK}}}{W_{I\ \text{ROK}}}$

K_kier dost = 0 gdy HHI ≥ 2500

3 silniki ind uruchamiane sekwencyjnie

$K_{R} = \frac{I_{R}}{I_{z}} \gg I_{R\ D}\ \text{lub}\ I_{Z}$

$T_{\text{RW}} = \frac{T_{R}}{T_{\text{ZN}}}$

$I_{\text{ZN}\ D} = \frac{P_{\text{ZN}}}{\eta\sqrt{3}\ U\cos\varphi_{\text{ZN}}}$

$I_{R\ Y} = \ \frac{I_{R\ D}}{3}$

$P_{R} = \sqrt{3}UI_{R\ Y}\cos\varphi_{R}$

$\cos\varphi_{R} = \cos{\varphi_{\text{ZN}}\left( \frac{T_{\text{RW}}}{K_{R}} + \frac{0,025}{K_{R}} \right)\frac{\eta}{(1 - S)}}$

$P_{\text{GR}\ \text{SIL}} = P_{R} + \text{reszta}\ \text{sil} \bullet \frac{P_{\text{ZN}}}{\eta}$

$Q_{\text{GR}\ \text{SIL}} = P_{R}\text{tg}\varphi_{R} + \text{reszta}\ \text{sil} \bullet \frac{P_{\text{ZN}}}{\eta}\text{tg}\varphi_{\text{ZN}}$

UPS

$P_{\text{we}} = \frac{P_{\text{WY}}}{\eta \bullet W} + 0,25\frac{P_{\text{WY}}}{W}$

$W = \frac{100}{\sqrt{100^{2} + \text{THD}^{2}}}$

Q_WE = P_WEtgφ_ZN

Dobór generatora

P_GR = P_GR SIL + P_WE UPS + P_INNE

Q_GR = Q_GR SIL + Q_WE UPS + Q_INNE

$\cos{\varphi_{\text{GR}} = \frac{P_{\text{GR}}}{\sqrt{P_{\text{GR}}^{2} + Q_{\text{GR}}^{2}}}}$

$p = \frac{\cos\varphi_{\text{GR}}}{\cos\varphi_{\text{GEN}}} \gg$ $P_{\text{GEN}\ \text{MIN}} \geq \frac{P_{\text{GR}}}{p}$