Source google image: https://upload.wikimedia.org/wikipedia/commons/thumb/e/e1/Circuit_RL_complexe.png/400px-Circuit_RL_complexe.png
Schéma électrique machine synchrone
Source google image: https://upload.wikimedia.org/wikipedia/commons/thumb/e/e1/Circuit_RL_complexe.png/400px-Circuit_RL_complexe.png