Abstract

YARIN- ACHACHAGUA, Anwar; SALAZAR- HUAMANI, Gustavo  and  CHAVEZ- VIVAR, Javier. Harmonic control in power plant power transformer by means of a built-in passive filter optimized with bacterial foraging algorithm. Tecnia [online]. 2021, vol.31, n.2, pp.61-72.  Epub June 01, 2021. ISSN 0375-7765.  http://dx.doi.org/10.21754/tecnia.v21i2.1031.

Through this research we seek to carry out the study and characterization of a passive harmonic distortion filter applied to the protection of a distribution SS.EE located inside a manufacturing plant. The objective is to design the filter according to the internal parameters of the transformer, capacitive and inductive reactance, and its optimization using the particle swarm heuristic method called the bacterial forage algorithm. The passive filter is tuned in the prevailing frequency range of harmonic currents from the inductance and capacitance of the transformer and an external capacitance. The bacterial forage algorithm will be able to design the filter in such a way that it takes into account the frequency range of the harmonic currents, according to non-linear loads in application of the group strategy of feeding a swarm of E. coli bacteria.

The experimental validation was carried out with the CPC 100Omicrom equipment, which allows obtaining the measurements of tan delta, after simulating the system in the NEPLAN software. Through this passive band reject filter, it is hoped to achieve adequate and improved working conditions, meeting the needs of protecting both the transformer and the plant machinery to which it supplies supply, especially in critical circumstances in which the harmonics present in the network are highly aggressive.

Keywords : passive harmonic filter; inductance and capacitance of the electrical transformer; swarm of particles; bacterial forage Escherichia coli.

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