Optimal Determination of Location and Size of Active Harmonic Filters in Electric Energy Distribution Networks

Future Generation of Communication and Internet of Things

دوره 1، شماره 3، مهر 2022، صفحه 39-49   

نوع مقاله: Original Paper

چکیده

In this paper, the optimal determination of the location and the size of the active power harmonic filters in the distribution of electric energy distribution networks is studied in through a comprehensive approach. The main purpose of this approach is to improve the power quality indices in electric power distribution network. Total voltage harmonic distortion, loss of function of electric motors, harmonic loss of power transmission lines and sum of the currents injected by active harmonic power filters using appropriate weighted coefficients are considered as the objective function of the problem. Whereas individual and total harmonic distortion and maximum permissible capacity of active power filters are considered as limitations of the problem. Optimal determining of problem and size of active harmonic power filters is essentially a non-convex optimization problem that has a nonlinear character and is mixed with integers. Thus, an improved harmony search algorithm has been used to determine the optimal solution. The harmonic search algorithm is an optimization algorithm that mimics the music playing process by musicians. The problem of optimizing the location and size of active harmonic power filters is implemented on a 69-bus test system. Also, the performance of the proposed algorithm is compared with genetic algorithm and particle swarm optimization. The results indicate the usefulness of the proposed approach as well as the proposed algorithm in improving the power quality indices in the electricity distribution networks

کلیدواژه‌ها

Improved Harmonic Search Algorithm؛ Power Quality Indicators؛ Electricity Distribution Networks؛ Active Harmonic Power Filters