This three phase nonlinear load model is used to simulate voltage notches and harmonic caused by 6-pulse three-phase rectifier.
You can download my book chapter from the link below for details reading
Rodney Tan (2020). Voltage Notch and Harmonic Caused By 6-Pulse Three Phase Rectifier (https://www.mathworks.com/matlabcentral/fileexchange/51936-voltage-notch-and-harmonic-caused-by-6-pulse-three-phase-rectifier), MATLAB Central File Exchange. Retrieved .
Version 1.02 Updated book chapter link and PDF download link
Added book chapter download in the description