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A comparative assessment of hysteresis and dead beat controllers for performances of three phase shunt active power filtering

Panigrahi R., Subudhi B., Panda P. C.

Journal of Power Technologies

2014

Vol. 94, nr 4

286--295

This paper presents the performance evaluation of two control techniques, namely Dead Beat Control (DBC) and Hysteresis Band Control (HBC), in a three phase Shunt Active Power Filter (SAPF). The choice and implementation of the current controllers is vital for the achievement of a satisfactory filtering performance. Although these techniques have been applied previously to design SAPF for single phase distorted power system signals, in this paper we extend them to three phase distorted power system signals. In order to test the effectiveness of these two controllers, extensive simulations were conducted using MATLAB/simulink. The results obtained show the superiority of the hysteresis current controller over the dead beat controller in terms of exhibiting fast transient response and computational simplicity. These results are valid with real-time Opal-RT results.