wherein: Kqd is a positive tuning gain that may be used to transfer to the d-axis part of the correction originally computed for the q-axis, when saturation occurs, idunc and iqunc are said axis-wise current corrections . Preferably, said active voltage limiter unit is configured to modify said current references according to the following equations: Preferably, said determined/estimated motor values correspond to an estimated torque of said electric motor and said motor reference values correspond to a torque reference, said regulator system is configured to receive said estimated torque and said torque reference and control the switching units of said electrolytic capacitor-less inverter based on said estimated torque and said torque reference, said active voltage limiter unit is configured to regulate said torque reference of said regulator system in order to cause said DC-link capacitor voltage to be limited within said predetermined voltage range. Preferably, said active voltage limiter unit is configured to regulate said torque reference of said regulator system in order to cause said DC-link capacitor voltage to be limited within said predetermined voltage range, without using said lines currents and/or DC-link currents. Preferably, said active voltage limiter unit is configured to: receive first voltage signals indicative of the duty cycles of said switching signals; receive first current signals indicative of said output currents provided to said electric motor, receive said voltage of the DC-link capacitor, determine a torque limit value based on said first voltage signals, said first current signals, and said voltage of the DC-link capacitor. Preferably, said active voltage limiter unit is configured to: determine an active