BMW 3 Owners & Service Manuals

BMW 3: Rotor and stator

Design
Rotor and stator, electrical machine

  1. Stator
  2. Permanent magnets
  3. Rotor
  4. Hollow shaft with outer basket of separation clutch

The electrical machine in the G20 PHEV is structured as an inner rotor. "Inner rotor" means that the rotor is arranged with the permanent magnets arranged in a ring shape on the inside. The coils for generating the rotating field are located on the outside and form the stator. The electrical machine has 8 pole pairs.

The rotor is mounted above a flange on the rotor hollow shaft, which is positively connected to the transmission input shaft.

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     Connections

    Connections, electrical machine Transmission bell housing Temperature sensor Coolant ducts Connection for coolant (transmission oil) Electrical connection, rotor position sensor High-voltage c

     Sensors

    Sensors, electrical machine Temperature sensor Rotor of the rotor position sensor Stator of the rotor position sensor So that the voltages for the coils in the stator can be correctly calculated

     Separation clutch

    The G20 PHEV is a Full-Hybrid Generation 4.0 vehicle. In contrast to generation 2 and 3 hybrid vehicles, electrical driving is possible in the G20 PHEV at much higher speeds and with a higher range.

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     Engine Electrical System

    Digital Motor Electronics (DME) DME 8 control unit The Digital Motor Electronics (DME) is the computing and switching center. Sensors on the engine and the vehicle deliver the input signals and actuators implement the commands. The Digital Motor Electronics (DME) calculates the corresponding acti

     Idle state

    Concept If the vehicle is in idle state, it is switched off. All power consumers are deactivated. General information The vehicle is in idle state prior to opening from the outside and after exiting and locking. Safety information Warning An unsecured vehicle can begin to move and possibly roll awa

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