Zero Cross Engineering
An applied engineering notebook on power system transients, power quality and inverter control.
I’m Facundo Dimotta. After almost twenty years designing, building and operating MV/LV distribution networks, I use this notebook to study what the grid does when things change fast: switching transients, harmonics, and inverters taking over from rotating machines.
Each study states its model, its parameters and its limitations. When I find a mistake, I correct it and record the change at the end of the publication. More about me and this site →
Closing the Voltage Loop With a PR Controller: Filter Resonance, Finite Gain and Non-Linear Loads
Simulink
control
power electronics
inverters
power quality
Why an Unloaded Inverter Rings at 500 Hz, and Why It Doesn’t Stop
ATPDraw
EMT
power electronics
inverters
Transferring a Non-Linear Load Between Phases in a LV Network
ATPDraw
EMT
power quality
LV distribution
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