A decoupled reference generation algorithm for harmonic, reactive power and current unbalance compensation in three-phase systems

2011 ◽  
Author(s):  
John George ◽  
T. L. Jose ◽  
Jeevamma Jacob
Keyword(s):  
Reactive Power ◽  
Generation Algorithm ◽  
Three Phase ◽  
Phase Systems ◽  
Current Unbalance

scholarly journals New proposed fractional-polynomial functions: new recommendation for overcome the imbalance in three-phase systems

2021 ◽  
Vol 12 (4) ◽  
pp. 2243
Author(s):  
Q. S. Vu ◽  
Bui Vu Minh ◽  
Minh Tran ◽  
N.V. Korovkin
Keyword(s):  
Transmission Lines ◽  
Reactive Power ◽  
Electrical Equipment ◽  
Reactive Power Compensation ◽  
Polynomial Functions ◽  
Power Losses ◽  
Fractional Polynomial ◽  
Three Phase ◽  
Phase Systems ◽  
Optimal Calculation

Non-linear loads or load imbalances, etc., are the typical causes of asymmetric operation of three-phase systems. The appearance of inverse (positive) and homopolar (zero) symmetric components cause damage to the systems and electrical equipment and increase the power losses on the transmission lines. Reactive power compensation is one of the solutions that can overcome this asymmetry. The difficulty that exists in many different methods is the optimal calculation of the value of the compensator. In this paper, a new method to overcome these problems is proposed and investigagted. The proposed method is based on the fundamental electrical quantities (voltages and currents) on the controllable values of the static compensation devices and overcoming of the asymmetric operation regime in the three-phase systems.

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