SHRI VISHNU ENGINEERING COLLEGE FOR WOMEN:: BHIMAVARAM
(AUTONOMOUS)
DEPARTMENT OF ELECTRICAL AND ELECTRONICS ENGINEERING
POWER ELECTRONICS LAB
Objective:

To study the characteristics of various power electronic devices and analyze firing circuits and
commutation circuits of SCR.

To analyze the performance of single–phase and three–phase full wave bridge converters, single–phase
dual converter with both resistive and inductive loads.

To understand the operation of AC voltage controller and cyclo converter with resistive and inductive
loads.

To understand the working of Buck converter, Boost converter, single–phase bridge inverter and PWM
inverter.
Outcome:

Able to study the characteristics of various power electronics devices and analyze firing circuits and
commutation circuits of SCR.

Able to analyze the performance of single –phase and three phase full – wave bridge converters, single –
phase dual converter with both resistance and inductive loads.

Able to understand the operation of AC voltage controller and cyclo converter with resistance and
inductive loads.

Able to understand the working of Buck converter, Boost converter, single – phase bridge inverter and
PWM inverter.
List of Experiments:
Any 10 of the following Experiments are to be conducted.
1. Study characteristics of SCR, MOSFET and IGBT.
2. Gate firing circuits for SCR’s
3. Single phase Half-controlled converter with R & RL load
4. Single phase Fully controlled bridge converter with R & RL loads.
5. Single-phase AC voltage controller with R & RL loads.
6. Single-phase Cyclo converter with R& RL loads
7. Single Phase Bridge Inverter with R& RL loads
8. Single phase dual converter with RL loads
9. Three Phase half Controlled Bridge converter with, RL load
10. Three Phase Fully Controlled Bridge converter with, RL load
11. DC-DC buck converter
12. DC-DC boost converter
13. Single phase PWM inverter
14. single phase diode bridge rectifier with R load and capacitance filter.
15. Forced commutation circuits (Class A, Class B, Class C, Class D and Class E)
Additional experiments:
1. Single Phase Series Inverter with R& RL loads
2. Single Phase Parallel Inverter with R& RL loads
Lab Equipment cost:
S. No.
Quantity
1
1
Total
Cost(Rs.)
8960.00
6,020.00
1
Name of the equipment
1-Φ dual converter for R & RL loads with
firing circuit
2
1-Φ Isolation transformer rating 0/30/60/115/230V, 2A
1
3,990.00
3
L-load 230V/500 MH/0/50MA
1
2,205.00
4
1-Φ half controlled bridge converter with firing circuit
1
6,300.00
5
1-Φ Isolation transformer rating 0/30/60/115/230V, 2A
1
3,990.00
6
L-load 230V/50 MH/100MH/150MH,2A
1
1,575.00
7
3-Φ half controlled bridge converter
1
9,450.00
8
3-Φ Isolation transformer 0/30/60/115/230V,5A
1
11,750.00
9
R-load 1.5 KW,6A
1
5,040.00
10
L-load 230V/50/100/150 MH,5A
1
2,205.00
11
1-Φ A.C voltage controller
1
5,250.00
12
L-load 230V, 5A 50/100/150 MH
1
1,575.00
13
I,B Isolation transformer
0/30/60/115/230V,2A
1
3,990.00
14
1-Φ cyclo converter with firing circuit
1
9,765.00
15
1-Φ center tapper Isolation transformer
230/115/60/30/0/30/60/115/230V 2A
1
7,455.00
16
L-load 230 V/o-50/110/150 MH,2A
1
1,575.00
17
Study of SCR firing circuit trainer
1
3,150.00
18
Resistive load 230V,5A
2
11,900.00
19
Study characteristics of SCR, MOSFET, IGBT trainer kit
1-Φ full controlled bridge converter power circuit trainer kit
1
4,500.00
1
4,750.00
20
21
R-load 360Ω/1.2A
1
700.00
22
L-load 0-50/00/150 MH @2A
1
1,925.00
23
Forced communication circuit trainer kit
DC jones chopper power circuit trainer kit
1
7,500.00
1
9,500.00
24
25
R-load 360Ω/1.2A
1
1,400.00
26
L-load 50/100/150MA@2A
1
3,850.00
27
1-Φ series inverter power circuit trainer kit
1
7,500.00
28
R-load 360Ω/1.2A
1
1,400.00
29
L-load 50/100/150MA@2A
1
3,850.00
30
1-Φ parallel inverter power circuit trainer kit
1
8,200.00
31
R-load 360Ω/1.2A
1
1,400.00
32
L-load 50/100/150 MH@2A
1
3,850.00
33
CRO's (transferred from ECE 0510130, 0510131, 132, 133)
4
63,648.00
34
CRO's
6
95,472.00
35
Regulated power supply (0-30V/2A) 302D, 2ki5214(dual)
1
2,885.00
36
Regulated power supply (0-30V/2A)
3
8,580.00
37
200Ω/2.8A rheostats
2
5,440.00
38
50Ω/2A
5
7,350.00
39
50Ω/2A
5
12,620.00
40
Voltmeter M.I 0-75/150/300/600V
2
2,070.00
41
Voltmeter M.C(0-30/75/150V)
6
6,230.00
42
Voltmeter M.C (0-30V)
2
2,100.00
43
Voltmeter M.C (0-50V)
2
2,160.00
44
Voltmeter M.C(0-75/150V)
9
10,934.00
45
Ammeter (0-500MA) M.C.
1
1,035.00
46
Ammeter (0-1A) M.C
2
2,070.00
47
Ammeter (0-20A) M.C
1
1,050.00
48
Ammeter M.C (0-2.5/5/10A)
5
5,175.00
49
Ammeter M.C. (0-1A)
2
2,430.00
50
Ammeter M.C(0-1A)
8
9,720.00
51
Ammeter (0-1A)M.I.
2
2,030.00
52
Ammeter (0-2A)M.I.
2
2,030.00
53
Ammeter (0-5A)M.I.
2
2,030.00
54
Ammeter M.I. (0-2.5/5/10A)
2
2,070.00
Total
4,00,619.00