|ANALYSIS AND CONTROL OF SHUNT ACTIVE POWER FILTER BY USE OF P-Q AND D-Q THEORIES|
|Marrapu Dhanunjaya Naidu, Dr.Ch.Ravi Kumar|
|Cite This Article:|
ANALYSIS AND CONTROL OF SHUNT ACTIVE POWER FILTER BY USE OF P-Q AND D-Q THEORIES, International Journal of Innovative Research in Technology(www.ijirt.org) ,ISSN: 2349-6002 ,Volume 6 ,Issue 4 ,Page(s):100-104 ,September 2019 ,Available :IJIRT148621_PAPER.pdf
|Introduction,Objective ,Literature review,Shunt active power filter (SAPF),p-q theory,d-q theory,Hysteresis current control,DC link voltage controller.|
|In general, large usage of power electronic based equipment introduces the harmonicsin the distribution system. Hence, the nonlinear loads of industrial and domestic introduce thenonlinearity in the distribution system. Because of these nonlinear loads, the system voltageand current waveforms getting distort since the nonlinear loads introduces the harmonic contentin the source consequently the power factor of the source reduces. These harmonics along withthe less power factor causes various problems such as increases the losses in the transmission,distribution systems, overheating of transformers and motors, flickering effect in florescenttubes and operational failure of protective relaying etc. To reduce the harmonic currents in thepower system and maintain the power quality, a Shunt active power filter (SAPF) based on pq and d-q theories is used. Here, p-q theory has Clarke transformation for extracting thereference currents whereas the d-q theory consists of Park transformation along with the phaselocked loop (PLL). The DC link voltage is regulated by using the PI and fuzzy logic controllers.Moreover, hysteresis current control technique is used to drive the voltage source inverter(VSI) and the shunt active power filter based on p-q and d-q theories for different DC linkcontrol strategies such as PI and Fuzzy under steady state and load variation is simulated inMATLAB.|
|Unique Paper ID: 148621|
Publication Volume & Issue: Volume 6, Issue 4
Page(s): 100 - 104
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