A new passive compensation technique to economically improve the power quality of two identical single-phase feeders

This paper presents a new technique of improving the power quality of two systems that contain two identical loads fed by two identical generators using one passive power filter (PPF) for each harmonic frequency, that leads to reduce the number of filters to the half and thus minimize the cost by 50%. It starts with explaining the movement of harmonics in the new topology, then it demonstrates the steps to calculate and design the filters and improve the power factor (PF) simultaneously, after that the problem of resonance is well studied and caused purposely using the proposed equations that lead to fall in it to validate its existence, then acquiring the possibility to avoid it. Finally the results show the effectiveness of this topology in improving the power quality of two electric feeders with a unique PPF. This work is tested under MATLAB/SIMULINK environment, and validated in practice via laboratory experiments.