PSO Based Neutral Current Compensation in a Three Phase Distribution System Using Electric Springs

PSO Based Neutral Current Compensation in a Three Phase Distribution System Using Electric Springs
Author(s):
Asha . P, Ancy Sara Varghese
Keywords:
Electric Spring (ES), Hysteresis Current Controller, Neutral Current, Particle Swarm Optimization (PSO), Smart load, Total Harmonic Distortion(THD)
Abstract
Secondary distribution system is generally Three Phase Four Wire system which is directly connected to consumers. Due to the unbalanced configuration of these networks, a net current flowing through the neutral conductor. The presence of increasing number of non linear loads also causes significant neutral current in the system. The nonlinear loads draw harmonic and reactive components of current from ac mains. The excess neutral current and harmonics are the serious issues as they deteriorate the overall performance of distribution systems. The proposed strategy employs a new three phase Electric Spring circuit for reducing neutral current and a Hysteresis Current Controller for eliminating harmonics from the system. MATLAB/SIMULINK software platform is used for simulation. The application of the proposed method has been investigated for different load conditions and the results are presented.
Article Details
Unique Paper ID: 142602 Publication Volume & Issue: Volume 2, Issue 4 Page(s): 82 - 88
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