The __________ Buses are most common comprising almost 85% of all buses in a given power system? All Questions › Category: Power System Analysis › The __________ Buses are most common comprising almost 85% of all buses in a given power system? 0 Vote Up Vote Down chetan shidling asked 4 years ago Options: PQ Bus PV Bus Slack Bus 1 Answers 0 Vote Up Vote Down chetan shidling answered 4 years ago PQ Bus is the answer.