Development of bi-directional converters with parallel, integrated, modular, scalable, multi-level configurations with active neutral point

Recent technological advances allow inverters to offer an electrical signal quality equivalent to that of the electrical network. This signal quality makes it possible, for example, to increase the efficiency of electric motors controlled by a variable speed drive. However, these inverters are limited in power: to achieve higher power levels, they must be paralleled, which is not possible with the current state of the art. This project will enable the paralleling of pure electrical signal inverters, which will open the door to more efficient motor control for motors over 50kW and result in a GHG reduction of 68 ktonnes in the mining sector alone over the next ten years. Other economic gains, notably in electric transport, and environmental gains, notably through the reduction in filter size, are also made possible by the project.

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