UniTrain Course – Battery Disconnect Unit in Hybrid & All Electric Vehicles

ABOUT THIS PRODUCT:

High-voltage battery disconnect unit (BDU)

The battery disconnect unit training system allows the design and operating principle for disconnecting a high-voltage battery from the on-board network to be investigated.

Includes

• Experiment card with circuitry for experiments in Eurocard format
• Labsoft browser, course software and additional virtual instruments
• Storage case
• Jumpers

Components on experiment card:

• Electronic circuit for battery disconnect unit (BDU)
• Measuring sockets
• Fault simulation circuitry
• Two battery blocks
• Three relays
• Microcontroller-based control
• Service and maintenance plug
• Ignition switch
• Lamp to indicate when ignition is on
• High-voltage fault switch
• High-voltage fault indicator
• Pilot disconnecting bridge
• DC-link circuit capacitor
• Load for on-board network
• Display of on-board network load
• Measurement sockets for battery blocks
• Measurement sockets for on-board network

Training contents

• Fundamentals of battery disconnect units
• Compiling repair shop orders
• Diagnostic functions
  • Reading out fault memory with a diagnostic tester
  • Classifying faults in vehicle systems
• Function and design of a pilot line
  • Design of electric circuit
  • Principle of operation
  • Control
  • Circuit variants
• Repair methods and conversations with customers
  • Selection of repair actions as specified by manufacturers
  • Working with spare part numbers
• Investigation using measuring instruments
• Effect of faults commonly seen in practice (simulated faults can be activated)
• Course duration 7 hours approx.​​

Dimensions/weight:

• 100 x 170 mm (width x height)
• 8 kg