A Control approach with Controllable Response Time for Power Control of the Power Electronic Based Distributed Generation Resources in Microgrids
Subject Areas : electrical and computer engineering
E.
Zare Abandankeshi
1
مجید
شهابی
2
(Babol Noshirvani University of Technology)
Keywords: Distributed generation DC/AC converter internal model control response time,
Abstract :
Most wind turbines, photovoltaic and fuel cells need a DC/AC converter as an interface for connection to the main grid. Power electronics based distributed generation resource has two parts: power circuit and control circuit of converter. In this paper, a new method which is based on current control by using internal model control method is presented, in order to control active and reactive power of power electronics interfaced distributed generation resource. The main benefit of using internal model control method is that it can reduce number of required parameters for PI controller tuning to one parameter which is desired closed-loop band width (). It should be mentioned that parameter can be computed regarding response rise time. Therefore, values of KI and KP can be determined with the selection of desired band width. So, the system can be designed just with the selection of one parameter (rise time tr). The proposed control method can be used in micro-grids containing power electronic interfaced DGs, in both modes of operation (connected to grid and islanded micro-grid).
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