Demands for high-voltage high-power converters are increasing rapidly. Nevertheless

due to their complex structures

multi-time scale characteristics and hybridity

it is difficult to realize accurate

efficient and stable simulation of such systems. From a hybrid system perspective

taking a 10 kV 2 MW electric energy router as an example

we present the application of Discrete State Event-Driven（DSED） simulation framework in high-voltage high-power. Compared with commercially available simulation tools

DSED framework can be applied not only to achieve accurate and efficient simulation of both device-level switching transient and system-level dynamic

but also to achieve up to 1 000-fold improvement in simulation speed compared with commercial power electronic simulati

on software such as PLECS

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which offers a powerful simulation tool for analysis

design and control of high-voltage high-power converters.