BMW 3: Electrical Machine
BMW 3 Series G20 (2018-2025) Training manual / Electrical Machine
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Introduction
The electrical machine in the G20 PHEV is a permanently excited synchronous
machine. It can convert
electrical energy from the high-voltage battery unit into kinetic energy, by
which the vehicl
Safe working practices for working on a high-voltage system
The following description of the repair of the high-voltage components is
only a general list of the
content and the procedure. In general, only the specifications and instructions
in the current
va
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Overview of charging options
The high-voltage battery unit of the G20 PHEV can generally only be charged
by alternating current
(AC charging) at a maximum charging power of 3.7 kW. The charging option for the
high-voltage
battery unit in the G20 PHEV is generally determined by the country-specific
charging inf
Cooling
The Electrical Machine Electronics and convenience charging electronics (KLE)
are cooled by the low-
temperature coolant circuit.
G20 PHEV, low-temperature coolant circuit (schematic diagram)
Radiator (coolant/air heat exchanger)
Electric Motor Electronics (EME)
Convenience charging electronic
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