Question
Download Solution PDFThe equivalent DC output voltage of a full wave rectifier is ______ the equivalent DC output voltage of a half wave rectifier
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
- A half-wave rectifier conducts when the alternating current is positive, which happens during 180° of the A.C cycle, and blocks current during the other 180 degrees
- A full-wave rectifier conducts during both 180° periods of an A.C cycle; So you can see, it conducts current for twice the amount of time
- The full-wave rectifier has twice the output voltage of a half-wave rectifier is, that it utilizes both half-cycles of the input.
Important:
|
CIRCUIT |
Number of Diodes |
Average DC Voltage (Vdc) |
RMS Current (Irms) |
Peak Inverse Voltage (PIV) |
|
Half-Wave Rectifier |
1 |
\(\frac{{{V_m}}}{\pi }\) |
\(\frac{{{I_{m\;}}}}{2}\) |
\({V_m}\) |
|
Center-Tap Full Wave Rectifier |
2 |
\(\frac{{2{V_m}}}{\pi }\) |
\(\frac{{{I_m}}}{{\sqrt 2 }}\) |
\(2{V_m}\) |
|
Bridge-Type Full Wave Rectifier |
4 |
\(\frac{{2{V_m}}}{\pi }\) |
\(\frac{{{I_m}}}{{\sqrt 2 }}\) |
\({V_m}\) |
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