Audi Q7 e-tron quattro 4M - Hybrid Module: Separation Clutch Actuator and Sensors

30
Hybrid module (separation clutch actuator, sensors)
The hybrid module housing accommodates the front axle drive.
The torsion damper is on the internal combustion engine side and
the e-machine with separation clutch K0 is on the basic gearbox
side.
The e-machine is a permanently excited synchronous machine and
serves as both a drive motor and as a generator. The e-machine is
also referred to in the service literature as three-phase AC drive
VX54 or as electric drive motor V141.
As the rotor of the e-machine is an outer rotor, the maximum
possible leverage is utilised. Compared to an internal rotor, less
phase current is required during engine operation to generate the
same amount of torque.
The three-phase AC drive VX54 consists of:
• Electric drive motor V141
• Separation clutch actuator V606
• Drive motor temperature sensor G712
• Drive motor rotor position sensor 1 G713
This means that a short-time torque peak of 350 Nm and a peak
power output of 94 kW are available within a very small package
space. Thanks to the highly eective cooling connection, a peak
torque of 200Nm and a peak power output of 60kW can be
utilised for continuous operation.
In cooling mode, internal stator cooling system ensures a high
degree of heat dissipation despite the very small cooling area
(refer to page 35).
The torque converter transmission plate is bolted to the flywheel
of the internal combustion engine.
The torque converter transmits the drive power of the internal
combustion engine to the drive hub of the separation clutch K0 via
a spline.
In generator mode, the rotor of the e-machine is driven by the
internal combustion engine or by the recuperation system via the
closed separation clutch K0. Refer to "Operating modes" on
page48.
Short-time peak power ouput in kW 94
Short-time peak torque
in Nm
350
Current consumption at max. power
output in A
450
AC voltage at max. power output in V 3 x 310
Continuous power output in kW 60
Torque at 60 kW continuous power
output in Nm
200
Current consumption at 60 kW contin.
power output in A
240
AC voltage at 60 kW continuous power
output in V
3 x 280
Maximum generator power output in kW 80
Coolant feed
Coolant return
Drive motor rotor position sensor 1
G713,
page 34
Torsion damper
transmission plate
Torsion damper
Hybrid module housing
Flanged shaft, front left
Separation clutch actuator
V606,
page 32
Drive motor temperature sensor
G712,
page 35
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