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  • 7/25/2019 ABSTRACT Janmejaya

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    ABSTRACT

    Topic A brief overview of Unied Power QualityConditioners and its advantages in Power SystemsUnifed power quality conditioners (UPQCs)allow the mitigation of voltage and currentdisturbances that could aect sensitive electricalloads while compensating the load reactive power!"iverse control techni#ues have been proposed toevaluate the instantaneous output voltage of theseries active power lter of the UPQC but$ in mostcases$ these controllers only can compensate a%ind of voltage disturbance!&odern UPQCs are designed such that these allowthe load current harmonics and reactive power tobe compensated at the grid side while eliminating

    the eect of voltage dips$ over'voltages andvoltage harmonics on the local loads! The controllercharacteristics can be established on'line withoutchanging its basic structure! The performance ofthese controllers can also be evaluated throughsimulation tests!

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    (anme)aya&ishra &T*PS+*,-