Abstract
In thermal power stations, flue gases are let to the atmospheric air through the chimney. This exhaust gas contains some toxic elements like Suspended Particle Matter (SPM), SOX, NOX, Mercury etc. It causes air pollution in the atmosphere and affects the human beings and aquatic lives. The allowable limit of this flue gas dust emission to the atmosphere is about 50 mg/m3. In order to separate this dust particle from the flue gas, Electrostatic Precipitators (ESP) are used to collect those unwanted suspended particles before passing them to chimney. ESP requires high efficiency to extract those dust and hence, High-Frequency High Voltage (HFHV) power supply is applied to increase the efficiency of the collecting electrode of the electrostatic precipitator. The HFHV power supply provides a significant reduction in the size and weight of the complete ESP installation.
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