A variable voltage variable frequency single phase ac-ac system using back to back connected single phase VSI is demonstrated. The application of the system could be for solid state transformers. There is a low frequency transformer based galvanic isolation at the load side ac-ac converter. The load side ac-ac system has front end uncontrolled rectifier followed by a VSI.
The system is controlled in closed loop in synchronous reference frame using unbalanced d-q technique.
Rajesh Farswan (2020). Variable Voltage Variable Frequency isolated ac-ac converter (https://www.mathworks.com/matlabcentral/fileexchange/72990-variable-voltage-variable-frequency-isolated-ac-ac-converter), MATLAB Central File Exchange. Retrieved .
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