Question
Download Solution PDFA bridge-rectifier is connected to a 24 sin(ωt) V supply. What is the peak inverse voltage (PIV) across the diode?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
Bridge Rectifier Peak Inverse Voltage (PIV)
Definition: A bridge rectifier is an electrical circuit consisting of four diodes arranged in a bridge configuration that converts alternating current (AC) input into direct current (DC) output. The peak inverse voltage (PIV) is the maximum voltage a diode can withstand in the reverse-bias direction without breaking down.
Calculation of Peak Inverse Voltage (PIV):
Given that the bridge rectifier is connected to a 24 sin(ωt) V supply, we need to determine the PIV across each diode. The peak value of the input AC voltage (Vpeak) is given by:
Vpeak = 24 V
In a bridge rectifier, each diode is subjected to the peak voltage of the input AC supply. During the negative half cycle, when the input voltage is at its peak negative value, the diode that is reverse-biased will experience the full peak voltage of the AC supply. Therefore, the PIV for each diode is equal to the peak value of the input AC voltage.
Hence, the PIV for each diode in the bridge rectifier is:
PIV = 24 V
Therefore, the correct option is option 2) 24 V.
Last updated on Jul 2, 2025
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