Under Voltage Load Shedding Using Trajectory Sensitivity Analysis Considering Dynamic Loads

Optimal under Voltage Load Shedding to Prevent Frequency Instability with Considering Load Interruption Cost

In this study, a static method which makes best load shedding scheme to reach a maximum voltage security margin, prevent voltage instability and emendation of power system frequency during generation unit outage is developed. Minimization of total load interruption cost with considering frequency emendation constraint, Voltage security margin, and alleviating transmission line over loadings hav...

Under Frequency Load shedding Algorithm in Smart Islanded Networks Using Loads Frequency Index

This paper presents an optimal method of frequency load shedding (UFLS) based on the rate of change of frequency of load (ROCOFL) in islanded distribution networks (DN). The proposed method minimizes the average amount of penalties paid by the independent operator of the network by utilizing the relevant cost function. The function of islanded distribution network occurs after an error in the s...

Under Voltage Load Shedding Scheme Using Meta-heuristic Optimization Methods

Load shedding has been extensively studied because of multiple power system failure occurrences worldwide. Reliable techniques are required to provide rapid and precise load shedding to avert voltage collapse in power networks. Meta-heuristic optimization approaches are currently the widely developed methods because of their robustness and flexibility in dealing with complex and non-linear syst...

Smart load shedding in distribution networks considering the importance of loads

One of the most important tasks of operators in distribution companies is to restoration after a fault in the network. In load restoration schemes, in addition to observing the load flow constraints, it is necessary to maintain the grid structure radially and, most importantly, observing the balance of consumption with the possibility of providing load due to the limitations of the backup feede...

Dynamic Analysis of Single Piles Under Vertical Loads