Electrical Machines for eAutomotive Traction Applications

This course is offered in English.

Learning objective:

The lecture Electrical Machines for eAutomotive Traction Applications enables students to understand key requirements as well as design challenges for electrical machines in the context of the eautomotive market. Apart from fundamentals and working principles of electrical machines, several design aspects, manufacturing techniques and product costs are covered. Basic and new technologies are presented and compared according to market demands.

Contents:

• Introduction, overview, organization
• E-mobility market development and overview
• Power and torque requirements for passenger cars
• WLTC cycle and simplified mass and drag model of a vehicle
• Power and torque requirements for electric machines
• Complex numbers
• PM machine: Working principle
• Rotating fields 1: Why m phases
• Rotating fields 2: Why N slots
• Basic winding topologies: Slot / Pole Combinations
• Deep dive: Harmonics 1 and 2
• PM machine: Motor assembly, electromagnetic design, key performance data, losses and efficiency, manufacturing and costs
• Current excited synchronous machine: Working principle, performance and efficiency