B&R Servo drive with upgraded current control loop

The Acopos P3 servo drive now has an upgraded current control loop. Users can implement a sine wave filter without affecting drive control performance negatively. By converting the voltage signal from a square waveform to a largely sinusoidal one, sine wave filters help to improve energy efficiency, reduce strain on the motor and decrease electromagnetic noise on the motor cable. They also smooth out the current curve, which reduces both acoustic noise and motor losses. The servo drive’s overall efficiency thus is improved. The drive takes the sine wave filter’s characteristic curve into account, allowing the current control loop’s full bandwidth to be used.

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