System Integration; System Performance - Bosch e-GoKart PowerTrain Young Star Manual

3.4.1 Electrical Integration
3.4.2 Powertrain Integration
3.4.3 System Validation
3.5.1 Charging Time
Bosch Motorsport
Illustration 6: ON/OFF switch

3.4 System Integration

For the electrical integration, the BOSCH MOTORSPORT e-GoKart System components
have to be connected via dedicated wiring harness.
All BOSCH MOTORSPORT e-GoKart System 12 V components (Vehicle Control Unit VCU
MS 40, 12 V-Interface of the DC/DC converter, communication interfaces) have compon-
ent specific sockets. All BOSCH MOTORSPORT e-GoKart System component interfaces (48
V, 12 V supply and communication) provide mechanical protection against reverse polar-
ity. The Charger Energy Storage CH 5-1.2 provides a connector interface with latching
mechanism for the connection to the 230 V grid.
When 48 V net is powered (during charging and driving) any short circuit in the 48 V wir-
ing harness will damage the Energy Storages ES 5-2.4. The Energy Storage ES 5-2.4 in-
ternal fuse will activate and cannot be replaced.
# For the electrical integration of the BOSCH MOTORSPORT e-GoKart System require-
ments from Charger Energy Storage CH 5-1.2 [} 23] shall be considered.
The BOSCH MOTORSPORT e-GoKart can be connected to the powertrain of the vehicle in
several ways. The connection (e.g. belt or gearbox) is not in BOSCH MOTORSPORT scope
of delivery.
# The transmission (belt, gearbox) is not in the BOSCH MOTORSPORT e-GoKart System
scope and shall be realized by the CUSTOMER.
# The transmission (belt, gearbox) is not in the BOSCH MOTORSPORT e-GoKart System
scope and shall be realized by the CUSTOMER. The system software is programmed on a
transmission ratio from 7.4 between the Power Unit PU 5-10 and rear axle.

3.5 System Performance

The charging current is limited to 10 A per pack in order to optimize the lifetime of the
Energy Storage ES 5-2.4.
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