Electrical rotating field machine control system for reduction of fluctuations in torque generated by directly regulated machine by suppressing DC component in stator coils

摘要

The control circuit has a control input (Msoll) applied to a subtraction circuit receiving an input from a moment calculation block (20). The subtraction circuit output (Delta M) is fed to a moment calculating circuit (16). The output (Psi soll) is fed to a subtraction circuit producing an output (Delta Psi) fed to a flux chain regulator (18) producing a desired stator voltage (Usoll). An integral store (14) produces an actual stator voltage signal (U) and a stator current signal (I).