S80 L6-2.9L VIN 92 B6294S2 (2004)
The current created in the generator (GEN) stator winding is AC and must be converted to DC before it can be used in the electrical system of the car.
The conversion (rectifying) occurs using a DC bridge consisting of six diodes, two diodes per phase windings.
The stator windings generate three phases and are delta connected An exciter diode is connected to each of the three stator windings. The six rectifier
diodes are bridge connected. The diodes are pressed into a diode holder.
Charge regulator
General
The charge regulator is mounted at the rear edge of the generator (GEN). The role of the charge regulator is to constantly maintain the generator current
at engine speeds, depending on the load and speed of the generator.
If the voltage produced exceeds the preset desired value depending on the load, the charge regulator reduces or cuts the magnetic current to the rotor.
This, in turn, lowers the magnetic field. The voltage from the stator windings decreases. When the voltage is below the desired value, the current
increases through the rotor so that magnetization increases as does the generator voltage until the desired value is exceeded again. This process is
repeated continuously.
Charge voltage