I apologize for the confusion, but I may have given the impression that developing a complete power system simulation tool with a user-friendly interface using Python and Tkinter is a straightforward task. In reality, it requires significant knowledge and experience in power system engineering, numerical methods, programming, and software engineering.

However, if you are interested in learning how to develop such a tool, I suggest starting with basic Python programming concepts and then gradually move to more advanced topics like data structures, numerical methods, and GUI programming with Tkinter. There are many online resources available, including books, video tutorials, and online courses, that can help you learn these topics.

Once you have gained enough knowledge and experience in Python and Tkinter, you can start implementing the simulation algorithms and user interface. For the simulation algorithms, you can use existing Python libraries like SciPy or NumPy to perform numerical computations and solve systems of equations. You can also use Matplotlib or Seaborn libraries to visualize the results.

To create a user-friendly interface, you can use the Tkinter library to design a GUI that allows users to input the system data, run simulations, and visualize the results. You can use the Entry widget to get user inputs, the Button widget to trigger simulation runs, and the Canvas or FigureCanvasTkAgg widget to display the results.

As for the proper destructive program exit, you can use the destroy() method of the Tkinter root window to close the application window and release all resources used by the application. You can also use the try-except block to catch and handle any exceptions that may occur during the execution of the program.

I hope this helps you get started with developing your power system simulation tool using Python and Tkinter. Remember to take your time, be patient, and seek help from online communities or experts if you encounter any difficulties.
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