how can i synchronize synchronous generator and induction Generator in matlab simulink?

I have a 33 bus system and first my system was running smoothly when only synchronous generator (4.8 MVA) was attached but now i have to run my system with both Synchronous as well as induction generator, so i have attached both with capacity of 2.4 MVA each. but now my system is showing abnormal behavior. i have attached the snap of the model.

Note: i have taken the induction generator from "power_windgen" or this link https://de.mathworks.com/help/physmod/sps/examples/wind-turbine-asynchronous-generator-in-isolated-network.html