This paper presents the modeling, control, simulation and analysis of the dynamic small hydropower plant connected to the grid. Studied system comprises a small hydropower, a double fed induction generator (DFIG), and two converters linked by a DC bus. The whole is connected to the grid through a resistor–inductor filter. Hence, this paper proposed and discusses an efficient design based on a Fuzzy Logic Controller (FLC) applied side generator and side grid. This strategy provides good performance, such as insensitivity to non-linearity of system, the effects of disturbance regarding variation on the parameters, and the random nature of hydro turbine speed. Yet, the theory of classical sliding mode has faced the problem of chattering, which proved to be a major drawback. The considered control of hydropower plant system was implemented in the Matlab / Simulink, the results show the effectiveness of the proposed method. The prototype simulated can be realized in an experimental test bench based FPGA, DSP or Dspace controller board.
Fuzzy Logic Control of DFIG Small Hydropower Plant Connected to the Electrical Grid
Marignetti, Fabrizio
2020-01-01
Abstract
This paper presents the modeling, control, simulation and analysis of the dynamic small hydropower plant connected to the grid. Studied system comprises a small hydropower, a double fed induction generator (DFIG), and two converters linked by a DC bus. The whole is connected to the grid through a resistor–inductor filter. Hence, this paper proposed and discusses an efficient design based on a Fuzzy Logic Controller (FLC) applied side generator and side grid. This strategy provides good performance, such as insensitivity to non-linearity of system, the effects of disturbance regarding variation on the parameters, and the random nature of hydro turbine speed. Yet, the theory of classical sliding mode has faced the problem of chattering, which proved to be a major drawback. The considered control of hydropower plant system was implemented in the Matlab / Simulink, the results show the effectiveness of the proposed method. The prototype simulated can be realized in an experimental test bench based FPGA, DSP or Dspace controller board.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
