Managing power supply to electrical loads voltage dip conditions

This study aims to establish a methodology for evaluating the impact of conductive electromagnetic disturbances (EMDs) on voltage dips and their effect on the quality of power supply systems. Special focus is given to standalone power supply systems, which are particularly susceptible to such disturbances due to their higher occurrence rates and significant impact. The research presents a classification for the effects of conductive EMDs on the dynamic stability of asynchronous electric motors, categorized by their power ratings. It includes diagrams illustrating the relationship between the duration of conductive EMDs and voltage dips on the dynamic stability of asynchronous motors of various powers. The probability of conductive EMDs causing voltage dips is usually derived from statistical data. However, evaluating the extent of their impact on installed electrical equipment remains a critical issue. This paper establishes a foundational analysis of the necessity of implementing disturbance mitigation strategies and measures against the considered EMDs. It specifically explores the time vs. residual voltage relationship.