A three-phase paralleled active front-end drive, comprising: a first plurality of interphase inductors configured for connection to a three phase alternating current power source and operable to distribute power from the three phase AC source to a first converter and a second converter configured to transfer power to a first and a second direct current bus (34, 34'), respectively; a bus coupler (48, 49) operably coupling the first DC bus to the second DC bus; a first inverter operably connected to the first DC bus; a second inverter operably connected the second DC bus, the first inverter and the second inverter each configured to provide a plurality of motor excitation signals; a first controller operably connected to the first converter and the second converter as well as the first inverter and the second inverter, the first controller configured to generate control signals to cause the first converter and the second converter to transfer power to the first and the second DC bus (34, 34'), respectively, and the first controller configured to generate control signals to cause the first inverter and the second inverter to generate a plurality of motor excitation signals, respectively; and a second plurality of interphase inductors operable to combine the plurality of motor excitation signals from the first inverter with the plurality of motor excitation signals from the second inverter, characterised in that the first controller is further configured to: generate a first pulse width modulation reference signal and a second PWM reference signal, generate a first set of control signals to the first inverter and a second set of control signals to the second inverter based on the first PWM reference signal and second PWM reference signals, respectively, generate a duty cycle for the control signals based on at least one of the first PWM reference signal and the second PWM reference signal, and introduce a variation to the duty cycle of the first set of control signals and the second set of control signals in a complementary manner, by adding the variation to the duty cycle of one of the first and second sets of the control signals and by subtracting the variation from the duty cycle of the other of the first and second sets of the control signals, to reduce an imbalance between the plurality of motor excitation signals output from the first inverter and the second inverter. a first plurality of interphase inductors configured for connection to a three phase alternating current power source and operable to distribute power from the three phase AC source to a first converter and a second converter configured to transfer power to a first and a second direct current bus (34, 34'), respectively; a bus coupler (48, 49) operably coupling the first DC bus to the second DC bus; a first inverter operably connected to the first DC bus; a second inverter operably connected the second DC bus, the first inverter and the second inverter each configured to provide a plurality of motor excitation signals; a first controller operably connected to the first converter and the second converter as well as the first inverter and the second inverter, the first controller configured to generate control signals to cause the first converter and the second converter to transfer power to the first and the second DC bus (34, 34'), respectively, and the first controller configured to generate control signals to cause the first inverter and the second inverter to generate a plurality of motor excitation signals, respectively; and a second plurality of interphase inductors operable to combine the plurality of motor excitation signals from the first inverter with the plurality of motor excitation signals from the second inverter, characterised in that the first controller is further configured to: generate a first pulse width modulation reference signal and a second PWM reference signal, generate a first set of control signals to the first inverter and a second set of control signals to the second inverter based on the first PWM reference signal and second PWM reference signals, respectively, generate a duty cycle for the control signals based on at least one of the first PWM reference signal and the second PWM reference signal, and introduce a variation to the duty cycle of the first set of control signals and the second set of control signals in a complementary manner, by adding the variation to the duty cycle of one of the first and second sets of the control signals and by subtracting the variation from the duty cycle of the other of the first and second sets of the control signals, to reduce an imbalance between the plurality of motor excitation signals output from the first inverter and the second inverter. generate a first pulse width modulation reference signal and a second PWM reference signal, generate a first set of control signals to the first inverter and a second set of control signals to the second inverter based on the first PWM reference signal and second PWM reference signals, respectively, generate a duty cycle for the control signals based on at least one of the first PWM reference signal and the second PWM reference signal, and introduce a variation to the duty cycle of the first set of control signals and the second set of control signals in a complementary manner, by adding the variation to the duty cycle of one of the first and second sets of the control signals and by subtracting the variation from the duty cycle of the other of the first and second sets of the control signals, to reduce an imbalance between the plurality of motor excitation signals output from the first inverter and the second inverter.