Passivity for Differential-algebraic Systems with Application to Excitation System

In this paper, Passive definition of differential-algebraic systems and KVP property definition were proposed.Similar to methods of differential geometry theory, equivalent theorem between differential-algebraic systems´ passivation and KVP property was used by introducing M derivative . In the end the storage function was constructed for excitation system with differential-algebraic model.M derivative method can be considered as extension of L derivative method Results were obtained,which make passivity theory for differential-algebraic system realized in power systems.