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Transcript of Lab06 Buck Converter
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8/3/2019 Lab06 Buck Converter
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National University of Sciences & Technology (NUST)
School of Electrical Engineering and Computer Science (SEECS)
Department of Electrical Engineering
Page 1 of 20
Department of Electrical Engineering
EE420: Power Electronics
Faculty Member: Dr. Tauseef Tauqeer Dated: 03rd November , 2011
Semester: VII Section: E
Lab06: DC-DC Buck Converter
Name Reg. no. Report
Marks / 10
Viva
Marks / 5
Total/15
Hassan Farouk 346
Umair Ali Zafar
416
Faizan Khalid 368
Design a practical Buck Converter with the following specifications :
Input Voltage: 40V
Output Voltage: 15V Load Resistance: 50
Voltage Ripple : 2%
Current Ripple : 2%
Mode: Continuous
Show all calculations on the back side of
the page and clearly draw all the current
and voltage curves of switch, inductor,
resistor, capacitor and diode.
uck Converter
( ) ( ) ( )
( )
( ) ( )
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National University of Sciences & Technology (NUST)
School of Electrical Engineering and Computer Science (SEECS)
Department of Electrical Engineering
Page 2 of 20
Case 1) Using Switch
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National University of Sciences & Technology (NUST)
School of Electrical Engineering and Computer Science (SEECS)
Department of Electrical Engineering
Page 3 of 20
Figure 1 Capacitor Current
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National University of Sciences & Technology (NUST)
School of Electrical Engineering and Computer Science (SEECS)
Department of Electrical Engineering
Page 4 of 20
Figure 2 Capacitor Voltage
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National University of Sciences & Technology (NUST)
School of Electrical Engineering and Computer Science (SEECS)
Department of Electrical Engineering
Page 5 of 20
Figure 3 Diode Current
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National University of Sciences & Technology (NUST)
School of Electrical Engineering and Computer Science (SEECS)
Department of Electrical Engineering
Page 6 of 20
Figure 4 Diode Voltage
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National University of Sciences & Technology (NUST)
School of Electrical Engineering and Computer Science (SEECS)
Department of Electrical Engineering
Page 7 of 20
Figure 5 Inductor Current
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National University of Sciences & Technology (NUST)
School of Electrical Engineering and Computer Science (SEECS)
Department of Electrical Engineering
Page 8 of 20
Figure 6 Inductor Voltage
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National University of Sciences & Technology (NUST)
School of Electrical Engineering and Computer Science (SEECS)
Department of Electrical Engineering
Page 9 of 20
Figure 7 Output Voltage
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National University of Sciences & Technology (NUST)
School of Electrical Engineering and Computer Science (SEECS)
Department of Electrical Engineering
Page 10 of 20
Figure 8 Resistor Current
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National University of Sciences & Technology (NUST)
School of Electrical Engineering and Computer Science (SEECS)
Department of Electrical Engineering
Page 11 of 20
Figure 9 Switch Current
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National University of Sciences & Technology (NUST)
School of Electrical Engineering and Computer Science (SEECS)
Department of Electrical Engineering
Page 12 of 20
Figure 10 Switch Voltage
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National University of Sciences & Technology (NUST)
School of Electrical Engineering and Computer Science (SEECS)
Department of Electrical Engineering
Page 13 of 20
Case 2) Using Transistor
Figure 11 Circuit Diagram using Transistor
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National University of Sciences & Technology (NUST)
School of Electrical Engineering and Computer Science (SEECS)
Department of Electrical Engineering
Page 14 of 20
Figure 12 Output Voltage
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National University of Sciences & Technology (NUST)
School of Electrical Engineering and Computer Science (SEECS)
Department of Electrical Engineering
Page 15 of 20
Figure 13 Capacitor Current
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National University of Sciences & Technology (NUST)
School of Electrical Engineering and Computer Science (SEECS)
Department of Electrical Engineering
Page 16 of 20
Figure 14 Diode Voltage
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National University of Sciences & Technology (NUST)
School of Electrical Engineering and Computer Science (SEECS)
Department of Electrical Engineering
Page 17 of 20
Figure 15 Inductor Current
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National University of Sciences & Technology (NUST)
School of Electrical Engineering and Computer Science (SEECS)
Department of Electrical Engineering
Page 18 of 20
Figure 16 Inductor Voltage
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National University of Sciences & Technology (NUST)
School of Electrical Engineering and Computer Science (SEECS)
Department of Electrical Engineering
Page 19 of 20
Figure 17 Resistor Current
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National University of Sciences & Technology (NUST)
School of Electrical Engineering and Computer Science (SEECS)
Department of Electrical Engineering
Figure 18 Resistor Voltage
