Electrocoagulation System Using a Synchronous Buck Converter with PI Control in Domestic Wastewater Treatment
Sistem Elektrokoagulasi Menggunakan Converter Buck Sinkron dengan Kontrol PI pada Pengolahan Limbah Domestik
DOI:
https://doi.org/10.21070/ups.7713Keywords:
electrocoagulation, synchronous buck converter, PI control, domestic wastewater, fuzzy logic, monitoringAbstract
This study develops an electrocoagulation system using a PI-controlled synchronous buck converter and fuzzy logic for efficient domestic wastewater treatment. The system is designed to optimize power efficiency through adaptive voltage regulation (12-40V) based on feedback from pH, TDS, turbidity, and temperature sensors. Test results demonstrate that the synchronous buck converter achieves up to 94% efficiency at heavy load (10Ω), with average efficiency of 87-90% during system operation. At light loads (33Ω), efficiency drops to 48-73% due to increased power losses. The system successfully reduces turbidity by 32-56% (from 100 NTU to 44-68 NTU), stabilizes pH within 7.47-8.17 range, and decreases TDS by 15.3% (from 795.3 ppm to 673.6 ppm).
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