Methods for design and analysis of control algorithms applied to grid-connected converters and electric drives:
· Quick review of the dc motor and its control; current, speed, field weakening
· Review of theory for linear systems: transfer functions and state-space models
· Three-phase circuits, space-vector theory, and per-unit systems
· Two-level VSCs and their pulsewidth modulation
· Fundamentals of nonlinear systems theory
· Current control of VSCs: fundamental, negative sequence, harmonics; antiwindup
· Synchronization of VSCs: the phase-locked loop
· Active- and reactive-power control of VSCs
· DC-bus-voltage control of VSCs
· Power-synchronization control of MMCs
· Fault ride through of MMCs
· Modeling and internal control of the MMC
· Dynamic model of the induction motor
· VSC-fed drives: similarities and differences to grid-connected VSCs
· Induction motors: principles of direct and indirect field orientation, equivalence
· Induction motors: the current and voltage model for flux estimation
· Induction motors: sensorless control principles
· Field-weakening operation
· Direct torque control
· Permanent-magnet motors: dynamic modeling
· Permanent-magnet motors: current control, speed control and field-weakening operation
· Permanent-magnet motors: low-, medium- and high-speed sensorless control
· Permanent-magnet motors: signal injection, polarity detection, startup, and synchronization