Your response was so kind and helpful. I have gone through most of the links you provided me.
If I could be clearer now, I am looking for a specific vendor, who could provided me with a module or multiple modules to carry out all the relevant experiments (involving rectifier, inverters, and different types of converters). From the above links, I could fix bits of my problem, but I am looking for one such vendor that provides modules for all of the mentioned experiments.
Note: The experiments are not very advanced, just basic power electronics course lab work.