obtained using half wave rectifiers. Question: What is the main disadvantage of a conventional full-wave rectifier?
obtained using half wave rectifiers. Question: What is the main disadvantage of a conventional full-wave rectifier?
Chapter59: Motor Startup And Troubleshooting Basics
Section: Chapter Questions
Problem 12SQ: How is a solid-state diode tested? Explain.
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Question
Transcribed Image Text:Facts
Full Wave Rectifier Circuit
The circuit of the full-wave rectifier can be constructed in two ways. The first method uses a centre
tapped transformer and two diodes. This arrangement is known as a centre tapped full-wave rectifier.
The second method uses a standard transformer with four diodes arranged as a bridge. This is known
as a bridge rectifier.
Advantages of Full Wave Rectifier
• The rectification efficiency of full wave rectifiers is double that of half wave rectifiers. The
efficiency of half wave rectifiers is 40.6% while the rectification efficiency of full wave rectifiers is
81.2%.
• The ripple factor in full wave rectifiers is low hence a simple filter is required. The value of ripple
factor in full wave rectifier is 0.482 while in half wave rectifier it is about 1.21.
• The output voltage and the output power obtained in full wave rectifiers are higher than that
obtained using half wave rectifiers.
Question:
What is the main disadvantage of a conventional full-wave rectifier?
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