d- The ripple frequency in the output voltage of single-phase half-controlled bridge AC/DC converter is when a > 60°. 1- 3f, 2-6f, 3- 2f, 4- f, 5- None of previous. ************** e- The integrator in the firing circuit of 1-phase bridge AC/DC converter is necessary to have firing angle range. 1-0-90°, 2-0-120°, 3-0-180°, 4-0-360°, 5- None of previous. f The harmonic contents in an inverter can be reduced through the use of modified Voltage, 2- Full, 3- Reduced, 4- Commutation, 5- None of previous. ****** PWM. 1-
d- The ripple frequency in the output voltage of single-phase half-controlled bridge AC/DC converter is when a > 60°. 1- 3f, 2-6f, 3- 2f, 4- f, 5- None of previous. ************** e- The integrator in the firing circuit of 1-phase bridge AC/DC converter is necessary to have firing angle range. 1-0-90°, 2-0-120°, 3-0-180°, 4-0-360°, 5- None of previous. f The harmonic contents in an inverter can be reduced through the use of modified Voltage, 2- Full, 3- Reduced, 4- Commutation, 5- None of previous. ****** PWM. 1-
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
Related questions
Question
![d- The ripple frequency in the output voltage of single-phase half-controlled bridge AC/DC converter is
................ when a > 60°. 1- 3f, 2- 6f, 3- 2f, 4- f, 5- None of previous.
e- The integrator in the firing circuit of 1-phase bridge AC/DC converter is necessary to have
firing angle range. 1-0-90°, 2-0-120°, 3-0-180°, 4-0-360°, 5- None of previous.
f The harmonic contents in an inverter can be reduced through the use of modified............ PWM. 1-
Voltage, 2- Full, 3- Reduced, 4- Commutation, 5- None of previous.
g- Continuous current operation in step-down chopper is gained when.............. 1- tx<T,
3-ton-ton, 4-ton<ton*, 5- None of previous.
h- The output voltage of step-up chopper is
previous.
i-The time ts of a voltage commutated chopper is
4-2√
√ LmC, 5- None of previous.
1-, 2-
E-1
a
"
3-E, 4-1, 5- None of
E
2- ton>T,
1-√ √LC, 2-2√ √LC, 3-0.5√ √LmC,
j- The time available to turn-off thyristor in load-commutated chopper is
3- 2E²cf, 4-E²Cf, 5- None of previous.
lo
1-2EC
lo'
2-50
EC](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb6c22bd1-526c-477b-99e4-576f0f39cfa6%2F26fb2bd9-bd5a-4914-a2cd-1b069eae78bf%2Fbmhulvf_processed.jpeg&w=3840&q=75)
Transcribed Image Text:d- The ripple frequency in the output voltage of single-phase half-controlled bridge AC/DC converter is
................ when a > 60°. 1- 3f, 2- 6f, 3- 2f, 4- f, 5- None of previous.
e- The integrator in the firing circuit of 1-phase bridge AC/DC converter is necessary to have
firing angle range. 1-0-90°, 2-0-120°, 3-0-180°, 4-0-360°, 5- None of previous.
f The harmonic contents in an inverter can be reduced through the use of modified............ PWM. 1-
Voltage, 2- Full, 3- Reduced, 4- Commutation, 5- None of previous.
g- Continuous current operation in step-down chopper is gained when.............. 1- tx<T,
3-ton-ton, 4-ton<ton*, 5- None of previous.
h- The output voltage of step-up chopper is
previous.
i-The time ts of a voltage commutated chopper is
4-2√
√ LmC, 5- None of previous.
1-, 2-
E-1
a
"
3-E, 4-1, 5- None of
E
2- ton>T,
1-√ √LC, 2-2√ √LC, 3-0.5√ √LmC,
j- The time available to turn-off thyristor in load-commutated chopper is
3- 2E²cf, 4-E²Cf, 5- None of previous.
lo
1-2EC
lo'
2-50
EC
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