Dr. Stefan Raabe

Engineering Expert in the Chief Engineering team, responsible for the electrical powertrain for the Lilium Jet. - Ensuring the power, energy and thermal performance of the electrical powertrain - Coordination of protection and controls across the electrical powertrain - Technical expertise on the HV electrical network; PMSM motor control and inverter switching, Solid State Power Controllers and Electronic Circuit Breakers, BMS and charging units, Power quality - Aircraft integration and verification testing

Principal System Engineer in the Electrical Power System team, responsible for the high voltage energy storage, charging and distribution. - Power and Energy Sizing, Protection Coordination, and Charging of the High Voltage network - Electrical Load Analysis - Requirements of the HV Solid State Power Controllers - Guide Electrical Powertrain modelling and analysis with the wider aircraft modeling - Powertrain performance assessment with Chief Eng. - Requirement and system engineering according to ARP4754

Led the System Engineering team in Munich as the chief engineer, responsibile for the system design of inductive charging systems for electric vehicles ranging from 3.3 kW to 22 kW. - Led specification of system architecture, requirements, verification criteria for series production - Establish processes i.e. ISO 26262 Functional Safety, ISO/SAE 21434 Cybersecurity and ASPICE - Provide technical guidance in all engineering domains, promote strengths and identify development opportunities

Team lead of the Systems, Applications, Laboratory and Testing team. Responsible for the leadership of 8-11 engineers and technicians involved in the design, construction and testing of wireless electric vehicle charging (WEVC) systems. Responsibilities: -System architecture -Power electronics design -Low power electronics and controller design -System Design Validation / End of Line testing -Integration of systems into cars -Technical knowledge transfer to licensees and ongoing technical support

Leading a team of 3-7 application and power electronic engineers covering vehicle integrations and licensee technical support for wireless charging systems. Responsible for the overall system architecture with broad knowledge of magnetics, power electronics, firmware and mechanical aspects of the wireless charging systems.

Responsible for the development of wireless charging prototypes and reference designs, and integration of these systems onto consumer electric and hybrid vehicles. Also responsible for technical support for multiple Automotive Tier 1 licensees and customer demonstrations. -Major contribution to the system commissioning, vehicle integration and ongoing support of the London Trial 3.3kW system. -Key engineer overseeing the construction of two 6.6kW charging systems and integration and testing on a vehicle.

Development of commercial prototypes for wireless Inductive Power Transfer (IPT) for low power stationary charging applications and for Automatic Guided Vehicles. Research issues concerning standards and public installation of IPT charging systems for Electric Vehicles. Design and construction of an Inductive Power Transfer (IPT) power supply for commercial and research applications.

Thesis: Inductive Power Transfer Pick-ups for High Demand Applications - Designed an Inductive Power Transfer (IPT) pick-up for Automatic Guided Vehicle (AGV) systems allowing high lateral movement - Designed a high power (100kW) monorail pickup for manufacturing applications.

Final Year Project: A New Three Phase ICPT System - Investigate a new three phase Induction Contactless Power Transfer concept. - Electromagnetic finite element modeling of the system using JMAG. - Developed an effective pickup and implementation of the system to industrial standards.