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IEEE Standard 1459 defines the power components based on the fast Fourier series. However, Fourier series assumes the signal is periodic in nature, and provides erroneous assessment of the power components in the presence of transient signals. Therefore, a new method is proposed for the evaluation of the IEEE Standard 1459 power components based on the time-frequency distribution (TFD) and the cross...
The increased use of power electronics based equipment, nonlinear loads and the changing power system regulations has made power quality (PQ) an important issue. The changed load condition has increased the proliferation of non-stationary PQ disturbances such as; voltage sag, swell, momentary interruptions, transients, along with the stationary harmonics. The conventionally used Fourier transform...
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