The three-phase generator - also known as "alternator" - is an induction machine operated as a generator that produces a speed-dependent three-phase alternating current using an electrical field. Since the electrical system is designed as a DC power system, this three-phase voltage must still be rectified. The control technology also comes into play: the voltage level should remain constant independently of the engine speed – the hybrid multifunction controller handles this.
In this educational system, a three-phase electric motor drives the compact alternator. The generator itself has power diodes on 4 mm safety sockets for measurement and interruption that are just as accessible as the three-phase winding.
The excitation current and the voltage can be captured on the connection plate, and connections are available
to the battery monitoring (sensing)
to the load and error detection, and
to the rotation speed detection.
The generator's output voltage can be led as a function of temperature or by the engine control unit.
In connection with lighting components, special high-current loads and a vehicle battery, the complete electrical system can be assembled!