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THREE PHASE IGBT RECTIFIER FOR HV.DC.

This project is the studying of High Voltage Direct Current transmission line simulator of alternative voltage that it can be develop for connecting between two difference frequency voltage source. This paper is studying of converter in Rectifier mode at rated 3kVA, 1000Vdc from step up auto transformer at three phase alternated voltage 380 V(Line to Line) ,50 Hz. In power circuit IGBT is the switching device that it is controlled by sinusoidal pulse width modulation (SPWM) signal.