In this chapter, a mechanism model of We-Energy based on its structure is proposed, which embodies the distinguishing features of bi-directional power transformation and energy coupling. A quaternary model of WE is established under steady and transient state, which can be divided into normal state, alert state, emergency state and recovery state. And the interaction process of quaternary model is described as Cyber-Physics-Economy-Energy. Simulation results validate that the proposed model is of high identification accuracy and has better generalization performance, and can effectively fit the state variation of each node of the whole system under different operation modes.
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