System Description; Set-Up; Main Components; Operator Workstations - Audi 739 964 Operating Instructions Manual

4

System description

4.1

Set-up

4.1.1

Main components


Item rack

Fault switch box

Measuring sockets

Power supply unit (=voltage source) on input side with IEC plug (fuse and on/off
switch, PE conductor on HV battery housing) and two connecting cables (phase, N
conductor)

Connection cable with earthing contact plug on the socket side and cold appliance
coupler (C13) on the other side

HV components: Cable set, HV battery housing, charger, air-conditioning
compressor, power electronics, PTC heater (Inactive components)
4.1.2

Operator workstations

Environment of the e-tron system trainer (=training room)
4.2

Functional description

4.2.1

System


Fault switching of insulation faults on HV+ and HV- of the high-voltage system

Simulation of the isolation process of the high voltage system
4.2.2 Main components

Power supply unit: Voltage conversion from 115/230 V AC 50/60 Hz to 70 volts DC

Fault switch box:

HV components: For troubleshooting

Measuring sockets: Measuring HV+, HV-, shield/ground
HV- Trainer
- Switching the various ISO faults
- Change of ISO resistance in case of fault switching
System description
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