Understanding Half-Bridge Rectifiers for Electrical Engineering Students
Learn about half-bridge rectifiers, which convert AC to DC, their components like diodes and capacitors for smoothing, applications, and the importance of full-wave rectifiers. Explore lab slides by Zachary Chan for a comprehensive overview.
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Presentation Transcript
HALF BRIDGE RECTIFIER GT ECE ACADEMIC LAB SLIDES BY ZACHARY CHAN
OVERVIEW Converts AC to DC aka rectification Also called a Half Wave Rectifier Consists of a single diode Result is a pulsating direct current
CAPACITOR SMOOTHING A capacitor can be added parallel to the load to smooth the direct current The capacitor charges during the positive phase of the AC wave and discharges during the negative phase During discharge, the capacitor provides a voltage across the load so that the voltage is not 0 across the load The time constant of the capacitor should be much higher than the period of the AC input
APPLICATION The pulsating direct current is not useful, so the current from the rectifier usually goes through a filter and regulator before being used on a load Full Wave Rectifiers are more highly used
