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Generator Design: Notes

Fig 1: Cut-Out View Of Generator
G03579153Courtesy of SAAB-SCANIA OF AMERICA, INC.
  1. Stator
  2. Rotor with slip rings
  3. Integral fans
  4. Rectifier unit
  5. Voltage regulator

The generator is of AC type, with a built-in charge regulator.

The generator is driven by the engine via a multi-groove belt from the crankshaft pulley.

The gear ratio is 1:2.8 for petrol engines and 1:2.9 for diesels.

Three different generators are available for the Saab 9-3:

The 120 A generator being used in diesel-engined vehicles.