Volume 1: Energy Innovations: Accelerated Deployment, New Concepts, and Emerging Technologies

Dynamic Impact of Power Electronics Converters at the Grid Edge Bin Wang, Jorge A. Ramos-Ruiz, Le Xie, Prasad Enjeti



Future distribution systems will be penetrated with massive power electronics (PE) devices. This paper classifies the dynamics of future PE-rich distribution systems into four categories: dynamics introduced by network, dynamics introduced by PE interfaces, dynamics introduced by control of PE interfaces and dynamics introduced by load, generation and battery energy storage system. The purpose of such a categorization is to facilitate the analysis and control design of future distribution grids as well as to investigate the cause of instabilities. As a gridedge technology, a PE interface named Power Electronics Intelligence at the Network Edge (PINE) is used in numerical studies to demonstrate these four categories of dynamics and show how each of them influences the system dynamics and stability.

Keywords Grid edge, dynamics, instability, power electronics, renewable energy, solar PV

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