(V_L=E_ph \ \ \ Where, V_L= Line \ voltage, E_ph = Phase \ EMF \[2ex] I_L=\sqrt{3} I_ph \ \ \ Where , I_L= Line \ current, I_ph= Phase \ Current\[2ex] P=3E_ph I_ph \ cos⁡ϕ \ \ \ Where, P = True \ power \ dissipated \ in \ the \ circuit\[2ex] Q=3E_ph I_ph \ sin⁡ϕ \ \ \ Where, Q = Reactive \ Power \ dissipated \ in \ the \ circuit\[2ex] S=3E_ph I_ph=\sqrt{3} V_L I_L \ \ \ Where ,S = Apparent \ power \ dissipated \ in \ the \ circuit )