Design of a singlle phase high current fully controlled rectifier
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Date
2019-06
Authors
Nur Adilah Binti Nohamad Aseri
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Abstract
Rectifier is the one of the power electronic converter that can modify from AC to DC. It widely used in industrial and also domestic application. But a lot of rectifiers in the market only produce fixed output so the applications of the rectifiers are limited for certain equipment only. In this project, the rectifier circuit should be able to produce a variable average voltage by controlling the phase angle. The single phase 230Vrms AC source is connected to full-wave rectifier by using high current thyristor. The output is controlled by adjusting the phase angle from 0° to 180° of each thyristors, resulting in an output voltage or output current which is variable from maximum to minimum voltage using Arduino Uno microcontroller. In this project, the voltage can successfully vary from 0V to 205.5V. The maximum average current used is 0.934A where it is considered as high current where the highest output power is 191.937W. As a conclusion, a single phase high current fully controlled had successfully designed by using a full bridge rectifier and Arduino Uno.