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Please use this identifier to cite or link to this item: http://hdl.handle.net/2080/1250

Title: A Novel Active Power Line Conditioners using PLL Synchronization and PI Controller
Authors: Karuppanan, P
Mahapatra, K K
Keywords: Active power line conditioners (APLC),
phase locked loop (PLL),
PI controller,
Hysteresis current controller (HCC),
current harmonics
Issue Date: 2010
Publisher: IET
Citation: International Conference on Future Engineering Trends (ICFET-2010), 29 - 30 April 2010 in Association with The Institution of Engineering and Technology (IET)
Abstract: This paper presents Shunt Active Power Line Conditioners (APLC) for compensating reactive power and harmonic currents drawn by the loads besides power factor correction. The shunt APLC is implemented with three phase PWM current controlled voltage source inverter and is connected to the point of common coupling for compensating the current harmonics. The compensation process is based on phase locked loop (PLL) synchronization and proportional integral (PI) controller. These control strategy for shunt APLC makes certain that source current is sinusoidal even when the load is nonsinusoidal and unbalanced. The PWM-VSI inverter switching is done according to gating signals derived from hysteresis current controller and the capacitor voltage is maintained constant using PI controller. The proposed shunt APLC is investigated using extensive simulation and is found to be effective in terms of THD, active filtering, reactive power compensation and VDC settling time under both transient a...
URI: http://hdl.handle.net/2080/1250
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