You ask good questions concerning the different responses from the Isoch and Droop governors. Rarely do I get to see a lot of a response during a fault.
As mentioned by esee135, can you get the frequency plot? Also, advise on the inertia's and types of governors. That can make a big...
The attached paper on "Automatic Synchronization for Generators and Tie Lines" is the best reference document I've seen on this subject. For many engineers, it is the design basis for synchronizing system. Synchronizing systems are ususally designed and installed for decades, so it is prudent...