UVT and PQ theory based Generalised Unified Power Quality Conditioner for Voltage Sag and Swell Compensation


Authors : Veeresha K B; Dr. Thejaswi A H

Volume/Issue : Volume 5 - 2020, Issue 10 - October

Google Scholar : http://bitly.ws/9nMw

Scribd : https://bit.ly/32OFUjA

Power quality has been a big problem for both energy suppliers and their consumers. For consumers, the economic effects of power disturbances will vary from few hundred dollars for the restoration or removal of home equipment to millions of dollars for the lack of manufacturing and cleaning. In the case of services, system failures will lead to consumer frustration, loading and income losses.Generalised unified power quality conditioner (GUPQC) is the modern custom power device which deals with voltage and current imperfections simultaneously in three bus or feeder distribution systems. This paper presents modelling, analysis and simulation of GUPQC consisting of one Distribution static compensator (DSTATCOM) and two Dynamic voltage restorer (DVR) has been made to compensate the first feeder current imperfections and second & third bus voltage imperfections. Instantaneous active and reactive theory (PQ) based control strategy is used for DSTATCOM and Unit vector template theory based control strategy is used for DVR. The results obtained in SIMULINK on a three bus or feeder distribution systems show the effectiveness of the proposed configuration.

Keywords : Power Quality,Generalised Unified Power Quality Conditioner (GUPQC), Unit Vector Template (UVT), Instantaneous Active And Reactive Theory (PQ), Distribution Static Compensator (DSTATCOM), And Dynamic Voltage Restorer (DVR)

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