PowerFlex 750-Series AC Drives User Manual

B-20 Control Block DiagramsTorque Control - CurrentA BC DE FG HI1Torque Control – CurrentFlux VectorAt Limit Status 945 21222324Trq Pos Lmt 25Trq Neg Lmt 26Mtrng PwrLmt 27Regen PwrLmt 28Cur Lmt FVTherm RegLmtAt Limit StatusBusVltgFVLmtMtr Vltg Lkg945 1718TrqCurPosLmtTrqCurNegLmt2From TorqCtrl[17H2]Neg Torque Limit{Trq Pos Lmt}Filtered TrqRef689671LimitLimited TrqRef690[6C6]TeCalcIqLimitRate LimTorque Current RefFrom Fdbk[3F2]Active Vel Fdbk131Active NegTorque LimitActive PosTorque LimitFluxNegLimitPosLimit425Current Rate Lmt3Regen Power Lmt{Regen PwrLmt}{BusVltgFVLmt}Motor Power Lmt{Mtrng PwrLmt}426BusRegulator427++PwrTeCalc-1MaxMin-11Flux1FluxPos Torque Limit 670{Trq Neg Lmt}FluxFlux4Voltage Ref/Pk Torque Iq Current Limit{Mtr Vltg Lkg} LimitGenerationMinActive Iq Current LimitIs,IdFlux CurrentFdbkIqCalcIq,IdCalcIsFlux Vector(3)5Current Lmt Sel4216Current Lmt 1Current Lmt 2422423ParameterSelection{Cur Lmt FV}PowerUnitThermalProtection{Therm RegLmt}Thermal Mgr Current LimitVF or SV(0-2,7,8)Motor Ctrl Mode35424[25D2]Active Cur LmtPF753 Rev1.001g, PF753 Block Diagram Current 18PowerFlex 750-Series User Manual – Publication 750-UM001C-EN-P – September 2009