(t) +

A1
DC maszyna
obcowzbudna
komutatorowa
A2
Podstawowe równania obcowzbudnego silnika prądu stałego
U A (t) = E A (t) + R A I A (t) + L A [dI A (t)/dt)]
E A (t) = (t) Ψ A (t)
U A (t) = (t) Ψ A (t) + R A I A (t) + L A [dI A (t)/dt)]
(t) = [U A (t)/Ψ A (t)] - [R A I A (t) / Ψ A (t)]- L A [dI A (t)/dt)] / Ψ A (t)
T d (t) = I A (t) Ψ A (t) = - T L (t) + (J A +J L )d/dt
I A (t) =[-T L (t)]/ Ψ A (t) + (J A +J L )d/dt]/ Ψ A (t)
11