The Analysis of Harmonics at a Inverter System of Low Voltage and the Methods for the Reduction

저압 인버터 시스템의 고조파 분석 및 저감 방안 연구

Recently, Many water treatment facilities are operated by automatic control or by remote control. These high technology control systems require more stable power supply than before. Badly most automatic control systems adopted in water treatment facilities are non-linear load which generates electrical harmonics inevitably. This study is intended to measure and analyze the electrical harmonics occurred at the chemicals control device which is inverter application circuit, and to show the Method for reduction.