alexa Control of Power Quality Using Transformer less UPQC w
ISSN ONLINE(2278-8875) PRINT (2320-3765)

International Journal of Advanced Research in Electrical, Electronics and Instrumentation Engineering
Open Access

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Research Article

Control of Power Quality Using Transformer less UPQC with SRF Control

Greeshma Suresh
PG Student , Dept. of EEE, Amal Jyothi College of Engineering, Kottayam, Kerala, India
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Power quality is the concept of powering linear and nonlinear loads in a manner suitable to the operation of the equipments. The most significant and critical power quality issues are voltage sag ,swell and current distortions. These problems may results in the tripping of critical equipments causes adverse effects in industrial plants can results in the stoppage of whole production with high loses associated. Custom power devices are found effective to all the power quality problems .In order to tackle both voltage and current related problems simultaneously UPQC is found effective. This paper investigates the effectiveness of transformer less UPQC based on the SRF theory. Transformer less UPQC avoids undesirable offset during energisation , increased loses and the cost. Same SRF control theory is using for both the shunt and the series converters which also helps in avoiding the complexity and the cost. The MATLAB / Simulink based simulations are provided to demonstrate this method


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