RANCANG BANGUN SPWM INVERTER TIGA FASA MENGGUNAKAN PI KONTROLER DENGAN TEGANGAN OUTPUT KONSTAN PADA BEBAN BERFLUKTUASI

Abstract

The use of renewable energy sources that produce a DC voltage source is growing rapidly, however the AC is more widely used in society that needed an inverter to convert the DC voltage into AC. There are several techniques used in three-phase inverter switching, one of which is the SPWM switching technique. When inverter loaded by fluctuating load, will cause inverter output voltage drop. Three-phase inverter output voltage control is needed to maintain the condition of electronic equipments that uses three-phase inverter as voltage source. Control of inverter with constant output voltage performed by using a PI controller. Based on testing of the hardware shown that the effectiveness of the control of three-phase inverter output voltage using a PI controller has a good response on the fluctuating load.