Generalized Damping Curves and Their Use in Solving Power-Switching Transients

The equivalent circuits applicable to many power system switching conditions can frequently be reduced to one or more series or parallel RLC (resistance-inductance-capacitance) circuits. It is shown that the responses of these circuits to a variety of stimuli can be expressed on a per-unit basis, as families of dimensionless curves involving one parameter. Such curves are presented and are then used to solve representative power-switching problems.