BMW 3: Electrical Machine Electronics
BMW 3 Series G20 (2018-2023) Training manual / Electrical Machine Electronics
- Introduction
- Connections
- Low-voltage connections
- High-voltage connections
- High-voltage cables
- Removing the flat high-voltage connector
- Removing the round high-voltage connector
- Connection for potential compensation lines
- Tasks
- DC/DC converter
- Power electronics for activation of the electrical machine
- High-voltage power management
- Voltage supply for other high-voltage consumers
- Cooling
- Antifreeze and corrosion inhibitor
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Introduction
The Electrical Machine Electronics (EME) is primarily used as control
electronics for the electrical
machine. It is also responsible for converting the direct current voltage from
the high-voltage b
Connections
The connections at the Electrical Machine Electronics can be divided into
four categories:
Low-voltage connections
High-voltage connections
Connection for potential compensation line
Connections
Low-voltage connections
In the low-voltage connector at the Electrical Machine Electronics the
following lines and signals are
combined:
Terminal 30 from the hybrid power distribution box
Terminal 30 from the f
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Procedure after an accident
The safety concept of the high-voltage system ensures that, even during or
after an accident, there
is no danger to the customer, the rescue services or the service employee. The
high-voltage system
is automatically switched off in the event of an accident in such a way that no
dangerous voltage
Bluetooth audio
General information
Playback of music files on external devices
such as audio devices or mobile phones via
Bluetooth.
The volume of the sound output depends on
the device. If necessary, adjust the volume on
the device.
Up to four external devices can be connected
to the vehicle.
Functional
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