Enhancement of Power Quality by Using Shunt Hybrid Power Filter With TCR

D. Srikanth, V. Sreepriya

Abstract


This paper presents a thyristor-controlled reactor (TCR) in combination with a fifth-tuned LC passive filter and active power filter (APF) in order to compensate the reactive power and to reduce harmonics.In addition, it reduces significantly the volt-ampere rating of the APF part. The shunt hybrid power filter (SHPF) is the combined system of a small-rating APF connected in series with a fifth-tuned LC passive filter. A control scheme based on proportional-integral controller has been used to mitigate the harmonics and reactive power.The proposed system also helps in achieving a low cost highly effective control.


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