AADYA -National Journal of Management and Technology

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Power Quality problems are emerging as most important issues for today's power system engineers. Major use of power electronics devices has increased the harmonics disturbances in power systems. These harmonics are basically due to presence of non-linear load in power system. These loads draw harmonic and reactive power components of current and voltage from main supply. Basically Current Harmonics are generated by these nonlinear loads due to nonlinear currents of load, for example drives of adjustable speed, static power supply, UPS etc. To reduce the effects of harmonics, voltage and current compensator is required. Among different types of compensators Shunt Active Power Filters (SAPF) has better harmonics compensation. This article includes the introduction of hysteresis control technique which was applied to compensate the current harmonics in power system.

Keywords

Harmonics, Shunt Active Power Filter, Hysteresis Current Control Technique.
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