Speed regulation: Isochronous vs Droop Control of Generator

[edsoneicc]

Hi! I am confused with the speed regulation for Isochronous control. In Droop control, we can surely solve for a value of speed regulation because droop allows the generator to have a varying frequency. However, in Isochronous control, the frequency and speed from no-load to full-load is the same. Can I safely conclude that in isochronous operation, the speed droop is zero?

 

[anorlunda]

I would say that it is not an assumption but rather a definition. No droop is isochronous by definition.

Do you know why we use droop control on grid connected generators?