Abstract
This paper has researched the Inverter-Based Distribution Generation and its effects on Distribution Network based on PSCAD/EMTDC Simulink software. The access of the Distribution Generation will change the structure of the Distribution Network, and then the fault characteristic of the Distribution Network will be different. Aiming at these problems, the mathematical model and control strategies of the Inverter-Based Distribution Generation represented by photovoltaic power and Direct-drive Permanent Magnet type Wind Turbine has been analyzed. According to the parameters and control strategies of the gird-connected inverter system, the Inverter-Based Distribution Generation simulation models with Outer inner voltage-current dual closed loop control system has been constructed under the PSCAD/EMTEDC environment, then the influence of IBDG on the fault characteristic of Distribution Network has been calculated. Based on the analysis result, this paper proposed the protection configure strategies of the distribution network adapting to Inverter-Based Distribution Generation.
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