What is a interconnected system in power system? All Questions › Category: Power System Analysis › What is a interconnected system in power system? 0 Vote Up Vote Down chetan shidling asked 4 years ago I need short information. 1 Answers 0 Vote Up Vote Down chetan shidling answered 4 years ago In an interconnected system with two or more controlled grids(areas), in addition to control of frequency, the generation within each area has to be controlled so as to maintain scheduled power interchange.