A Single Nonlinear Current Control for PWM Rectifier Robust to Input Disturbances and Dynamic Loads

Table 1

Approaches reported in literature versus proposed approach.

Concept	Reported approaches	Proposed approach
- transformation
Control theory	Linear and nonlinear	Nonlinear
Current control loop
Voltage control loop
Load dynamics	Usually resistive with load steps	Nonlinear, different patterns of current consumption, with load steps
Robustness for source sags
Analysis complexity	Medium	Medium