Research Article
Model-Based Control Design of Series Resonant Converter Based on the Discrete Time Domain Modelling Approach for DC Wind Turbine
Figure 10
Dynamics of output current Io generated by both the switching model and derived state-space model with the closed-loop controller when +0.5% of step-changing is applied in PREF, Vg, and Vo, respectively (: 9.0MW → 9.045MW, Vg: 101.01 → 101.515, Vo: 100.0 → 100.5; blue circle: dynamic of state-space model in z-domain, red line: dynamic of electrical signal in PLECS circuit model, the interrupt time of digital controller: Tint=1/() =1/(2x900Hz) sec).