Description: In distribution systems, the load has been a sudden
increase or decreases and it is like as nonlinear loads so the
load draw non-sinusoidal currents the AC mains and
causes the load harmonics and reactive power, and excessive
neutral currents that give pollution in power systems. Most
pollution problems created in power systems are due to the
nonlinear characteristics and fast switching of power
electronic devices. Shunt active filter based on current
controlled PWM converters are seen as a most viable solution.
This paper presents the harmonics and reactive power
compensation 3P4W micro-grid distribution system by
IP controlled shunt active. The technique which is used for
generate desired compensation current extraction based on
offset command instantaneous currents distorted or voltage
signals in the time domain because compensation time domain
response is quick, easy implementation and lower
computational load compared to the frequency domain.
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