Drive Subsystems
April 26, 2018
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Multi-speed gearboxes can offer many benefits for EV powertrains depending on application

admin    Drive Subsystems Energy Efficiency Feature Powertrain
Electric motors have full torque at 0 rpm and a much wider operating RPM range than ICEs (internal combustion engines).  Despite this feature, the efficiency of electric motors still varies at different speeds – they operate at a peak efficiency of around 90-95% but this can fall to 60-70%, particularly...
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