Project Summary

The aim of this proposal is to prove the feasibility and quantify the economics of a highly efficient reconfigurable multi-port converter topology with a bi-directional power flow capability between the electric vehicle and the power grid.

Project Achievements

  • Created the topological model of the reconfigurable automotive inverter and designed a highly optimised 5 kW automotive inverter with built-in ultrafast charger.
  • Fully integrated and validated the reconfigurable inverter by quantifying its performance and economics.
  • Optimised gate drive circuit design and controller to achieve ultra-fast switching at maximum 1% losses.
  • Optimised inverter design and cooling system to achieve cost and weight reduction targets whilst maintaining specified efficiency and reliability.
  • To assess the global converter market size and dynamic and establish the economic benefits of StepWise technology

Next Steps

  • Follow-on exploitation utilising the project quantification of the capabilities, potentials and economics of the technology, and the identified potential OEM customers and supply chain players. There is extensive know-how relating to all aspects of proposed technology, in particular the design and control of gate drive, cooling system.
  • Electric Propulsion Laboratory (EPL) at UCL have conducted extensive discussions with potential customers, which confirmed the industry’s substantial interest. EPL is now in a strong position to raise investment and enter into commercial negotiation with potential customers, aiming to establish key strategic partnerships to develop tailored inverters and commence extensive field testing.

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