Minimizing the effects of voltage disturbances on continuous industrial processes

The continuous industrial process considered to be within the scope of this paper is defined. Typical process plant reaction to power interruptions and voltage sags is described and the characteristics of the voltage sags experienced by continuous process plants are discussed. The reaction of process and motor control components is described. Methods of minimizing the adverse reaction to voltage disturbances by manipulation or the control component circuit configuration and/or manipulation of the control power supply are presented.