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That's very ok thanks again. Now I go back for a while to my first post where I was speaking about field excitation. Why I hear speaking of increase (decrease) of <b>reactive</b> power when field excitation increases (decreases) in paralleled generators (while in single that variation modify...

I am totally agreed with you. A simple answer but very powerful, then the math and formulas can follow. Magnetism. And then all the other detail explained in a very intuitive way. Again, a great post.

Absolutely great. I provide control system for equipment in the industrial field and at the moment in the naval. We generically call it automation for on-board equipment and this includes also power management. So i deal with hw, sw, and control principles, but I normally do not need to go in...

Ok, but what will keep the frequency of one generator "linked" to that of the other one or as you say of the grid? As an example, we know that reverse power can occur. I have seen that in order to test the reverse power somebody forces one generator to slowdown until reverse power happen...

>If you don't care about the drift presumably near static, >and it has no merits to your measurement, are you only >interested in the high frequency components? The drift is causing the regulator to try to correct an error that is only in the measurement not in the reality. A ship moving...

Even if I know that the mean value "must" be 0? Then, after this, with another very roughly way I could apply a high pass filter? The result is not fantastic, but is just a little more than nothing in my opinion.