Necessity of voltage control? All Questions › Category: Power System Analysis › Necessity of voltage control? 0 Vote Up Vote Down Chetan Shidling asked 4 years ago I need short information. 1 Answers 0 Vote Up Vote Down Chetan Shidling Staff answered 4 years ago The necessity of voltage control are: To maintain the voltage at the terminals of all equipment-acceptable range. To enhance stability. To enhance the efficiency of the transmission system.