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Hairpin Motors for Electromobility: Twists and Bends of a Technological Breakthrough that Initially Arrived A Century Too Soon
There is currently a major trend to hairpin-winding motors for small and medium drives with increased power, specifically more torque density in the automotive industry.
A Highly-Compact Direct-Injection Universal Power Flow and Quality Control Circuit
In contrast to direct-injection concepts with full back-to-back converters, it only needs to handle a fraction of the power.
A Smart Adaptively Reconfigurable DC Battery for Higher Efficiency of Electric Vehicle Drive Trains
Furthermore, it can substantially reduce the distortion, particularly at lower modulation indices, e. g., down to 1/2 compared to conventional space-vector modulation and even 1/3 for discontinuous pulse-width modulation with hard-wired battery.
Ageing Mitigation and Loss Control Through Ripple Management in Dynamically Reconfigurable Batteries
Dynamically reconfigurable batteries merge battery management with output formation in ac and dc batteries, increasing the available charge, power, and life time.
Synchronous Multistep Predictive Spectral Control of the Switching Distortion in DC--DC Converters
We present a control scheme for an automotive dc-to-dc converter that reduces the EMI generated by shaping switching distortion predictively at the run time.
