Improving three-phase induction machines power factor using single phase auxiliary winding fed by an active power filter

AFRICON 2007 ◽  
2007 ◽  
Author(s):  
Mbika C. Muteba ◽  
Adisa A. Jimoh ◽  
Dan V. Nicolae
Keyword(s):  
Power Factor ◽  
Single Phase ◽  
Active Power Filter ◽  
Induction Machines ◽  
Active Power ◽  
Power Filter ◽  
Three Phase

Single-Phase to Three-Phase Universal Active Power Filter

2011 ◽  
Vol 26 (3) ◽  
pp. 1361-1371 ◽  
Author(s):  
Euzeli Cipriano dos Santos ◽  
Cursino Brandao Jacobina ◽  
Jose Artur Alves Dias ◽  
Nady Rocha
Keyword(s):  
Single Phase ◽  
Active Power Filter ◽  
Active Power ◽  
Power Filter ◽  
Three Phase

scholarly journals Design and analysis of a Three Phase Transformerless Hybrid Series Active Power Filter based on sliding mode control using PQ-theory and stationary reference frames

2019 ◽  
Vol 16 (3) ◽  
pp. 289-310 ◽  
Author(s):  
Vinay Naguboina ◽  
Satish Gudey
Keyword(s):  
Power Quality ◽  
Single Phase ◽  
Sliding Mode ◽  
Active Power Filter ◽  
Constant Load ◽  
Active Power ◽  
Phase System ◽  
Load Voltage ◽  
Power Filter ◽  
Three Phase

In this work, a Three phase Transformerless Hybrid Series Active Power Filter (THSeAF) based on Sliding Mode Control (SMC) is proposed to mitigate the voltage and current distortions present in an electrical distribution systems (EDS). A Sliding Mode Controller is designed by controlling the parameters present on the load side as well as source side of the system. Three separate voltage source converters (VSC) are used. The mod1elling of the system is derived by considering a single-phase system by using state space analysis. The frequency response characteristics have been derived for the single-phase system and the stability of the system is studied. It is observed that the system has good stability margins when the SMC is applied at the source side compared to load side. Simulation results obtained in PSCAD/EMTDC v4.6 have been observed for power quality issues like voltage sags, voltage swells, voltage distortions, voltage unbalances and their concurrent occurrence. The approach of stationary reference frame was used for source side control and PQ theory is used for load side control. It is observed that the proposed controller works well in obtaining a stable and constant load voltage during these power quality issues. The difference in settling time observed is around 4 ms for the load side and source side control. The THD present in the load voltage is near about 1%. The SMC is found to be robust in obtaining a constant load voltage with low THD and an improved power factor.

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