Multi-time scale dynamics in power electronics-dominated power systems

Abstract

Electric power infrastructure has recently undergone a comprehensive transformation from electromagnetics to semiconductors. Such a development is attributed to the rapid growth of power electronic converter applications in the load side to realize energy conservation and on the supply side for renewable generations and power transmissions using high voltage direct current transmission. This transformation has altered the fundamental mechanism of power system dynamics, which demands the establishment of a new theory for power system control and protection. This paper presents thoughts on a theoretical framework for the coming semiconducting power systems.

Keywords

power electronics / power systems / multi-time scale dynamics / mass-spring-damping model / self-stabilizing and en-stabilizing property / multi-time scale power system stabilizer

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Acknowledgements

This work was supported in part by the National Basic Research Program of China (973 Program) (Grant No. 2012CB215100), and the Major Program of the National Natural Science Foundation of China (Grant No. 51190104).

Open Access

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