This is the model of grid connected single phase PV inverter using the vector control technique. The d component controls the active current while the q component controls the reactive current. The control also employs the feed-forward / cross-coupling terms for the current controller.
Two events are simulated in the model
1. at t = 0.7s, a sudden increase of 4.5 kW of DC power occurs
2. at t = 1.2s, a change of reference for the reactive current occurs. iq_set is changed to 0.2 from 0 pu.
The design of LCL filter is also illustrated in the m file
Awahab (2021). Grid connected single phase PV inverter using sinusoidal pulse width modulation (https://www.mathworks.com/matlabcentral/fileexchange/50420-grid-connected-single-phase-pv-inverter-using-sinusoidal-pulse-width-modulation), MATLAB Central File Exchange. Retrieved .
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