그림 1 기존 PI 제어기에서의 컨트롤 다이어그램
voltage relationships in the stationary a-b-c reference frame are
In synchronous d-q reference frame as
For fast current dynamics, current controller are designed as
where are
그림 2 개선 제어론에서의 컨트롤 다이어그램
In Proposed current control scheme are designed as:
Where is
In Steady state, error is expected to be zero: