Generator design: Notes

Fig 1: Sectional View Of Stator

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 multigroove V -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:

• 90 Ampere
• 120 Ampere
• 130 Ampere

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