Voltage stability margin determination using the channel components transform

This paper shows that the voltage stability margin of a power network can be determined through the application of a transformation that allows the decomposition of the grid into a set of decoupled source-line-load circuits. By monitoring a small number of these circuits one can analyze the behavior of the actual power system. Therefore it is not necessary to monitor the complete network, since by observing this particular circuit group one can determine the voltage stability conditions of the actual grid, which is of great interest for the real time operation.