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YASA launches new series of motor controllers; 1st in series delivers 200kVA

YASA, the leading manufacturer of axial-flux electric motors, announced availability of the first in a new series of motor controllers (inverters) for propulsion and generation applications in pure electric and hybrid vehicles.


The new Si400 controller delivers 200kVA (400V and 500 Arms) from a 5-liter package weighing just 5.75 kg. The controller features innovative thermal management including dielectric oil cooling and is suitable for use with induction, permanent magnet and axial-flux electric motors.

When coupled with YASA’s axial-flux electric motors, the Si400 controller offers best-in-class efficiency and control dynamics.

YASA’s new controller series provides powertrain designers with new ways to optimize vehicle performance, range and cost. Si400 samples are available to OEM and tier-one customers. This news follows the company’s announcement in February of a long-term innovation agreement with a global automotive OEM.

With this new series of controllers, we’re responding to our customers’ demand for increased flexibility in powertrain design. The first release in the series, the Si400, is significantly smaller and lighter than competitive products and when coupled with our axial-flux motors enables significant improvements in vehicle performance, range and cost. This will mean greater choice for consumers, increasing the already rapid adoption of electric vehicles and setting the bar for driving experiences.

—YASA CEO Chris Harris


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