Transcription of FULL-WAVE RECTIFIERS AND POWER SUPPLIES
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FULL-WAVE RECTIFIERS AND POWER SUPPLIES
Experiment No. 5 FULL-WAVE RECTIFIERS AND POWER SUPPLIES Objective: The objective of this experiment is to study the performance and characteristic of FULL-WAVE RECTIFIERS and DC POWER SUPPLIES utilizing Zener diode as a voltage stabilizing device. The performance of the FULL-WAVE rectifier will be studied and measured as well as that of the Zener diode. Introduction: One of the important applications of the P-N junction diodes is in converting alternating current (AC) into direct current (DC). Half-wave RECTIFIERS can be used, but they are highly inefficient in converting AC POWER to DC POWER . Additionally they have high contents of harmonics, which are difficult to filter out and to smooth out the ripple in the rectified AC POWER . On the other hand, FULL-WAVE rectifier improves on the conversion efficiency of AC POWER to DC POWER . It will also reduce the harmonic contents of the rectified waveform and reduce the requirement on the smoothing filter needed to reduce the ripple in the rectified waveform.
2. Characteristic of the bridge rectifier. 2.1 Connect the full-wave rectifier circuit as shown in Fig. 6 in which R L = 1 k Ω. Do not connect any capacitor across the load.
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