Threephase alternator

Threephase alternator
Threephase alternator

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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!

Components of equipment sets

1 738711 Compact alternator LD
1 738712 Voltage regulator LIM bus LD
1 738631 ** Motor f. Generator Experiments, 1.0 kW LD
1 738632 Belt drive for vehicles 1:3 LD
1 738963  8  TDI Control Relay for Preheating System LD
1 73890  8  Parallel Glow System LD
1 738103 Ignition switch LD
1 73818  8  Auxiliary headlamp LD
1 73876  8  Field Regulator, Generator LD
1 7381511 ** Control lamps KI LD

Measuring equipment
1 524013SKFZ ** Sensor-CASSY 2 Starter, Automotive LD
1 524013  8  ** Sensor-CASSY 2 LD
1 738985  4  ** Automotive meter LD
1 524076  8  ** AUTO-BOX i LD
1 7389991 ** DC/AC clamp-on current probe LD
2 73256  4  Coupling 1.0 LD
1 72610  8  Panel frame T150, two-level LD
1 738032  8  Battery connection with protection circuit LD
1 73804  4  Car battery 12V LD
1 738043  4  Vehicle battery connecting kit LD
2 73805  8  Connection leads I, set LD
2 50059 Safety bridging plugs, black, set of 10 LD
1 500592  4  Safety bridging plugs with tap, black, set of 10 LD
1 7389821  4  Safety experiment cables, set of 51 LD
1 50146  4  Connecting leads 19 A, 100 cm, red/blue, pair LD
1 775011DE  4  LIT: A2.1.1.2 Threephase alternator LD
1 775011EN  4  LIT: A2.1.1.2 Threephase alternator LD

Supplementary equipment
1 73801  8  Cable and plug box LD
1 500593 Fault simulation plugs, black, set of 10 LD
1 73810  8  Ignition switch LD
1 738021  4  Battery charger, automatic LD

Articles marked with ** are additionally required.

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