Infinite Generator

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The short circuit power in MVA for the "infinite bus" is determined by Mbase/Zsorce. Select GENCLS with H=0 to make the generator infinitely heavy in the dynamics (infinite inertia and constant frequency)

I decided to post in here because my question is relevant: "How do I model an infinite bus?" To be more exact, I need to model many infinite buses so "How do I model a number of infinite buses in a case?" I am asking in both load flow network data and dynamic model terms.

1. What bus type do they need to be? Generator buses or Swing buses?
2. Voltage schedules need to be set to 1, right?
3. H (inertia) and D (damping) in Dynamic Data have to be 0, both of them ?
4. No controls, no governors, no nothing?
5. Generator model is GENCLS, right?

I have done same .. On tripping one of generator ... Initially, my infinite generator is picking up the load, however, later , that additional load is being distributed on all of remaining generators and infinite generator is going back at its initial load... whereas, I want to have that infinite generator to keep serving that deficit..

I wanted to attach the Pelectrical images for your reference.. however, website is denying by saying to "not have Karma>10"...