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In a single-phase half-wave circuit with RL load and a freewheeling diode, the load voltage during the freewheeling period will be
- a)zero
- b)positive
- c)negative
- d)positive than negative
Correct answer is option 'A'. Can you explain this answer?
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In a single-phase half-wave circuit with RL load and a freewheeling di...
The FD short circuits the load and voltage across a short circuit would be = 0.
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In a single-phase half-wave circuit with RL load and a freewheeling di...
Load Voltage during Freewheeling Period in Half-Wave Circuit with RL Load and Freewheeling Diode
Introduction:
In a single-phase half-wave circuit with RL load and a freewheeling diode, the load voltage during the freewheeling period is a significant factor to be considered.
Explanation:
During the positive half-cycle of input voltage, the diode conducts and the RL load current flows through the diode and the load. But during the negative half-cycle of input voltage, the diode is reverse-biased, and no current flows through the load. However, the inductor stores the energy during the positive half-cycle and releases it during the negative half-cycle, creating a reverse voltage across the diode.
At this point, the freewheeling diode provides a low resistance path for the inductor current, and it continues to flow through the diode and the load. During this freewheeling period, the load voltage drops to zero due to the reverse voltage across the inductor.
Conclusion:
Hence, the load voltage during the freewheeling period will be zero.
Introduction:
In a single-phase half-wave circuit with RL load and a freewheeling diode, the load voltage during the freewheeling period is a significant factor to be considered.
Explanation:
During the positive half-cycle of input voltage, the diode conducts and the RL load current flows through the diode and the load. But during the negative half-cycle of input voltage, the diode is reverse-biased, and no current flows through the load. However, the inductor stores the energy during the positive half-cycle and releases it during the negative half-cycle, creating a reverse voltage across the diode.
At this point, the freewheeling diode provides a low resistance path for the inductor current, and it continues to flow through the diode and the load. During this freewheeling period, the load voltage drops to zero due to the reverse voltage across the inductor.
Conclusion:
Hence, the load voltage during the freewheeling period will be zero.
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