Question

3) Half-wave 50Hz sinusoidal uncontrolled rectifier circuit with a peak value of 100V and a source inductance of 8mH is feeding a highly inductive load of 8A. The average value of the output voltage and the average value of the power consumed by the load are, respectively: a) 57.26 V, 229.04 W. b) 28.63 V, 458.08 W. c) 28.63 V, 229.04 W. d) 120.92 V, 967.36 W. e) 229.04 V, 28.63 W. f) none of the above. 4) The commutation angle "u" of the previous part is: a) 0.645 rad. b) 0.323 rad. c) 1.290 rad. d) 0.161 rad. e) the waveforms have no commutation intervals. f) none of the above. $U = \frac{V_m}{\pi} - \frac{\omega L_s I}{2\pi}$ $ = \frac{100}{\pi} - \frac{8\pi + 50 + 8 \times 10^{-3} + 8}{\pi}$ $= 28.63 U$ $\cos u = 1 - \frac{\omega L I}{U\pi}$

          3) Half-wave 50Hz sinusoidal uncontrolled rectifier circuit with a peak value of 100V and a source
inductance of 8mH is feeding a highly inductive load of 8A. The average value of the output
voltage and the average value of the power consumed by the load are, respectively:
a) 57.26 V, 229.04 W.
b) 28.63 V, 458.08 W.
c) 28.63 V, 229.04 W.
d) 120.92 V, 967.36 W.
e) 229.04 V, 28.63 W.
f) none of the above.
4) The commutation angle "u" of the previous part is:
a) 0.645 rad.
b) 0.323 rad.
c) 1.290 rad.
d) 0.161 rad.
e) the waveforms have no commutation intervals.
f) none of the above.
$U = \frac{V_m}{\pi} - \frac{\omega L_s I}{2\pi}$
$ = \frac{100}{\pi} - \frac{8\pi + 50 + 8 \times 10^{-3} + 8}{\pi}$
$= 28.63 U$
$\cos u = 1 - \frac{\omega L I}{U\pi}$

3) Half-wave 50Hz sinusoidal uncontrolled rectifier circuit with a peak value of 100V and a source
inductance of 8mH is feeding a highly inductive load of 8A. The average value of the output
voltage and the average value of the power consumed by the load are, respectively:
a) 57.26 V, 229.04 W.
b) 28.63 V, 458.08 W.
c) 28.63 V, 229.04 W.
d) 120.92 V, 967.36 W.
e) 229.04 V, 28.63 W.
f) none of the above.
4) The commutation angle "u" of the previous part is:
a) 0.645 rad.
b) 0.323 rad.
c) 1.290 rad.
d) 0.161 rad.
e) the waveforms have no commutation intervals.
f) none of the above.
U = (Vm)/(π) - (ω Ls I)/(2π)
= (100)/(π) - (8π + 50 + 8 × 10^-3 + 8)/(π)
= 28.63 U
cos u = 1 - (ω L I)/(Uπ)

Added by Tom-S C.

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