|SINGLE-PHASE TO THREE PHASE UNIFIED POWER QUALITY CONDITIONER APPLIED IN SINGLE WIRE EARTH RETURN ELECTRIC POWER DISTRIBUTION GRIDS|
|MATHANGI NAGA RAJU, D.RAMU|
|Cite This Article:|
SINGLE-PHASE TO THREE PHASE UNIFIED POWER QUALITY CONDITIONER APPLIED IN SINGLE WIRE EARTH RETURN ELECTRIC POWER DISTRIBUTION GRIDS, International Journal of Innovative Research in Technology(www.ijirt.org) ,ISSN: 2349-6002 ,Volume 5 ,Issue 7 ,Page(s):108-114 ,December 2018 ,Available :IJIRT147329_PAPER.pdf
|Unified power quality conditioner (UPQC), Dual Compensation Strategy, active power filter.|
|Aim of this project is to simulate a Unified Power Quality Conditioner (UPQC), which can be connected in three- phase three-wire electrical power distribution system (EPDS) for performing the series-parallel power-line conditioning. Using a single to three-phase UPQC (UPQC 1Ph-to-3Ph), this uses for the applications in rural or remote areas in which, only EPDS with single wire earth return (SWER) are accessible to the consumer. Since the use of three-phase loads is increasing in these areas, it is difficult to access the three-phase distribution system. This UPQC employs a dual compensation strategy, such that the controlled quantities are always sinusoidal. Series converter is controlled to act as a sinusoidal current source whereas the parallel converter operates as a sinusoidal voltage source. The system can able to suppress grid voltage harmonics, as well as to compensate for other disturbances such as voltage sags. Thus, a 3P3W system with regulated and balanced sinusoidal voltages with low harmonic contents is provided for single and three-phase loads. Synchronous Reference Frame (SRF) based controllers are implemented to control the input currents and the output voltages of the UPQC.To reduce the THD further, ANN is replaced by PI in the above method. The present work studies the compensation principle and different control strategies based on PI & ANN controller. The control strategies are modeled using MATLAB/SIMULINK.|
|Unique Paper ID: 147329|
Publication Volume & Issue: Volume 5, Issue 7
Page(s): 108 - 114
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