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WorksheetsWEEK11-12 Flyback,PF, Half-Bridge
Total questions: 17
Worksheet time: 9mins
Determine the value of the required capacitor C
10 μ F
0.85 μ F
18.5 μ F
13 μ F
Average input power?
459 Watt
469 Watt
479 Watt
489 Watt
Voltage THD
32 %
36 %
40 %
44 %
Current THD
28 %
51 %
75.4 %
78.8 %
Power Factor
0.55
0.7
0.79
0.83
Calculate Duty in %
40 %
45 %
50 %
55 %
Calculate the average inductor current
0.75
0.8
0.85
0.9
Peak-to-Peak Inductor Current ?
10 mA
13.3 mA
17.5 mA
19.5 mA
Turn ratio N1:N2 ?
2.2:1
3.18:1
4.49:1
8.33:1
Iout ?
0.12 A
8.33 A
12.0 A
1200 A
Maximum Voltage VDS ?
12 V
88 V
100 V
154 V
L = ?
11.7 μH
117 μH
1.17 mH
11.7 mH
Maximum voltage on Diode ?
35 Vdc
15 Vdc
45 Vdc
100 Vdc
Calculate the voltage of each capacitor on the primary side.
13 V
15 V
50 V
100 V
Find Duty %
15 %
20 %
26 %
35 %
Find the output current.
2.54 A
3.84 A
5.72 A
7.96 A
Find ΔIL when CCM and define ΔIL = 20% of Iin
0.2 A
0.4 A
0.6 A
0.8 A
