SINAMICS S120 Functi.. - Gregbotos.com

Operating ModesVector control3.2.10 Current setpoint filterDescriptionThe two current setpoint filters connected in series can be parameterized asfollows:Low-pass 2nd order (PT2): –40dB/decade)General filter 2nd orderBand-stop and low-pass with reduction are converted to the parameters of thegeneral filter 2nd order via STARTER.– Bandstop– Low-pass with reduction by a constant valueThe phase frequency curve is shown alongside the amplitude log frequency curve.A phase shift results in a control system delay and should be kept to a minimum.Overview of important parameters (refer to the List Manual) p1655 CI: Current setpoint filter natural frequency tuning p1666 Current setpoint filter 2 numerator dampingFunction diagram overview (refer to the List Manual) 6710 Current setpoint filter© Siemens AG 2006 All Rights ReservedSINAMICS S120 Function Manual, 03/2006 Edition3-147