What is a load flow in power system? All Questions › Category: Power System Analysis › What is a load flow 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 Under normal conditions, electrical transmission systems operate in their steady-state mode. The basic calculation required to determine the characteristics of the steady-state mode is termed as load flow or power flow.