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Power quality has become an important factor in power systems, for consumer and household appliances with proliferation of various electric/ electronic equipment and computer systems. The main causes of a poor power quality are harmonic currents, poor power factor, supply voltage variations, etc. In recent years the demand for the quality of electric power has been increased rapidly. Power quality...
A Unified Power Quality Conditioner (UPQC), which integrates shunt and series active filters, is a powerful tool to settle the power quality problems. In this paper analysis results of a combination the UPQC with the superconducting magnetic energy storage (SMES) are presented. The proposed scheme can compensate voltage sag, voltage interruption and harmonics at the point of common coupling (PCC)...
In recent years, power system has employed many applications of power electronics technologies for power quality improvement. Unified Power Quality Conditioner (UPQC), which consists of double converters connected by a DC capacitor with each other, has great potential because of its high controllability. Various attractive applications for power quality improvement are considered but the active power...
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