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Protection Of Sensitive Loads Using Sliding Mode Controlled Three-Phase Dvr With Adaptive Notch Filter, Samet Biricik, Hasan Komurcugil, Nguyen Duc Tuyen, Malabika Basu
Protection Of Sensitive Loads Using Sliding Mode Controlled Three-Phase Dvr With Adaptive Notch Filter, Samet Biricik, Hasan Komurcugil, Nguyen Duc Tuyen, Malabika Basu
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This paper introduces a sliding mode control (SMC) strategy for three-phase dynamic voltage restorers (DVRs) with a 12-switch voltage source inverter. The compensating voltage references needed in the SMC strategy are generated by an adaptive notch filter (ANF), which exhibits excellent performance under grid voltage anomalies such as voltage sags, swells, and unbalanced and distorted grid voltage conditions. The consequence of using the ANF eliminates the use of phase-lock loop or frequency-lock loop and low-pass filter, which makes it distinguishable from the existing reference signal generation solutions. In addition, the use of the SMC strategy with its attractive properties makes …