BMW 3: 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 for coolant lines.
Connections of the Electrical Machine Electronics with lines
- Connection for potential compensation line
- Low-voltage connector
- High-voltage cable (DC) to the high-voltage battery unit
- High-voltage connection to convenience charging electronics
- Output, DC/DC converter -12 V
- High-voltage cable (AC) to the electrical machine
- Coolant feed line
- Coolant return line
- Output, DC/DC converter +12 V
- Ventilation
- 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
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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
High-voltage connections
At the Electrical Machine Electronics, there is a total of three high-voltage
connections to connect the
lines for other high-voltage components. The connections for the electric A/C
compressor and
High-voltage cables
The high-voltage cables connect the high-voltage components and are
identified by orange cable
sleeves. The manufacturers of hybrid cars have agreed on a uniform
identification of the high-voltage
c
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In the vicinity of the steering wheel
Safety switch
Power windows
Exterior mirror operation
Central locking system
Unlocking
Locking
Seating comfort features
Memory function
Lights
Front fog lights
Light switch
Lights off
Daytime running lights
Parking lights
Automatic headlight control
Adaptive light functions
Introduction
Although the high-voltage battery unit of the G20 PHEV can also be partially
charged by energy
recovery via the electrical machine, the "normal" charging procedure takes place
when the G20 PHEV
is connected to the AC voltage network of the local power supply company. Energy
is taken fro
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