Ferrite core based high frequency transformer rectifier (hftr) unit is a high voltage switch mode power supply (smps) unit for electro static precipitator (esp). It supplies a smooth and ripple free high voltage dc into the esp field using the small internal capacitance of the fields. It improves the efficiency of esp than the conventional thyristor controlled tr set. The hftr is powered by a micro-controller based igbt controlled panel. The supply voltage of the panel is 3 phase 415 v 50 / 60 hz. Schematic diagram of the operation as below:
efficiencies that are particularly important for applications involving toxic dusts or where air is being re-circulated. A cartridge collector is quite compact relative to the amount of airflow passing through them because of the large amount of media contained in each cartridge.