Optimal Power Systems Restoration Based on Energy Quality and Stability Criteria

Electric power systems (EPS) are exposed to disconnections of their elements, such as transmission lines and generation units, due meteorological factors or electrical failures. Thus, this research proposes a smart methodology for the re-entry elements that have been disconnected from EPS unforeseen events. This is based on optimal AC flows (OPF-AC) which allow verifying state variables voltage, angular deviation, (these monitored in normal fault conditions). The proposed study considers contingencies N-2, N-3, N-4, N-5, disconnection units carried out randomly. analysis after by means contingency index, with impact verified. In way, route generated restore went operation, when re-enter acceptable limits, voltage angle not exceeded. According results used, it was found NM can be applied model, addition considering stability restrictions, modeled restrictions new restriction between differences bars.