Problem 3 Consider the resistive circuit shown in the figure below, Vd = 300 V and R=75 £2. The data sheets of a switching device specify the following switching times corresponding to the linearized characteristics for resistive switching: ton = 150 ns, to = 300 ns Draw switching signal, the voltage across the switch and current through the switch, and switching power losses. Calculate the energy and the switching power losses at switching frequency of 50 kHZ and 100 kHZ. What is the effect of increasing the switching frequency on the power losses of the transistor.
Problem 3 Consider the resistive circuit shown in the figure below, Vd = 300 V and R=75 £2. The data sheets of a switching device specify the following switching times corresponding to the linearized characteristics for resistive switching: ton = 150 ns, to = 300 ns Draw switching signal, the voltage across the switch and current through the switch, and switching power losses. Calculate the energy and the switching power losses at switching frequency of 50 kHZ and 100 kHZ. What is the effect of increasing the switching frequency on the power losses of the transistor.
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Author:Robert L. Boylestad
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Chapter1: Introduction
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Transcribed Image Text:Problem 3
Consider the resistive circuit shown in the figure below, Vd = 300 V and
R=75 22. The data sheets of a switching device specify the following switching times corresponding
to the linearized characteristics for resistive switching:
ton = 150 ns, toff = 300 ns
"Draw switching signal, the voltage across the switch and current through the switch, and
switching power losses.
Calculate the energy and the switching power losses at switching frequency of 50 kHZ
and 100 kHZ. What is the effect of increasing the switching frequency on the power losses of
the transistor.
Va
UT
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