1. The following DA-DA converter circuit feeds 8 A DC motor, switching frequency is 10 kHz and transistor conduction time is 40 us. According to this; a. Plot the load voltage, T1 transistor current, and T1 transistor voltage for 2 periods in the time domain. b. Calculate the power transferred to the load. c. Show in which region the circuit works on the u-i plane and determine the mode in which the circuit works and present your explanation in detail.

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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1. The following DA-DA converter circuit feeds 8 A DC motor,
switching frequency is 10 kHz and transistor conduction time is 40
us. According to this;
a. Plot the load voltage, T1 transistor current, and T1 transistor
voltage for 2 periods in the time domain.
b. Calculate the power transferred to the load.
c. Show in which region the circuit works on the u-i plane and
determine the mode in which the circuit works and present your
explanation in detail.
d. The thermal resistance between junction and atmosphere is
16,2 oC/W. If the atmospheric temperature is 48 oC, calculate the
junction temperature according to the transmission losses of T1
(VCE= 2,8 V).
25V
Transcribed Image Text:1. The following DA-DA converter circuit feeds 8 A DC motor, switching frequency is 10 kHz and transistor conduction time is 40 us. According to this; a. Plot the load voltage, T1 transistor current, and T1 transistor voltage for 2 periods in the time domain. b. Calculate the power transferred to the load. c. Show in which region the circuit works on the u-i plane and determine the mode in which the circuit works and present your explanation in detail. d. The thermal resistance between junction and atmosphere is 16,2 oC/W. If the atmospheric temperature is 48 oC, calculate the junction temperature according to the transmission losses of T1 (VCE= 2,8 V). 25V
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